Activity Water Intake Calculator
Calculate personalized daily water intake based on your activity level, body weight, and exercise duration
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Affiliate Link Generator
Generate affiliate tracking links for Amazon Associates, ClickBank, ShareASale, and more
Affordability Calculator
Calculate how much house or car you can afford based on your income and expenses
Age Calculator
생년월일에서 정확한 나이를 즉시 계산하세요. 년, 월, 일 및 상세 통계가 있는 무료 온라인 나이 계산기.
AI Prompt Generator
Generate optimal prompts for effective AI communication. Customize templates for various use cases.
Alcohol Calorie Calculator
Calculate calories in your favorite alcoholic drinks. Track alcohol calories for beer, wine, spirits, and cocktails to manage your diet.
Alcohol Metabolism Calculator - BAC Elimination Time Calculator
Calculate how long it takes for your body to metabolize alcohol. Estimate BAC elimination time and sobriety time. Free online alcohol metabolism calculator.
Appliance Energy Cost Calculator
Calculate the energy consumption and cost of your home appliances
Aspect Ratio Calculator - Video/Image Ratio Calculator
Calculate aspect ratios instantly for videos, images, and screens. Free online ratio calculator with common presets and scaling dimensions.
BAC Calculator - Blood Alcohol Content Calculator
Calculate your Blood Alcohol Content (BAC) instantly. Free online BAC calculator to estimate alcohol levels in your system based on drinks, weight, and time.
Bacon Calculator
Calculate the perfect amount of bacon per person for any meal or gathering
Baking Conversion Calculator - Cup to Gram Converter
Convert baking measurements between cups, tablespoons, teaspoons, and grams. Essential for following recipes from different countries.
Base64 Encoder/Decoder
Base64 데이터를 즉시 인코딩 또는 디코딩하세요. URL-safe 및 줄바꿈 옵션이 있는 개발자를 위한 무료 온라인 Base64 변환기.
Battery Capacity Converter
Convert battery capacity between mAh, Wh, and Ah units. Calculate energy capacity for smartphones, laptops, power banks, and batteries.
Battery Health & Lifespan Calculator
Calculate your battery's remaining lifespan based on charge cycles and current health percentage
Battery Life Calculator
Calculate how long your battery will last based on capacity and power consumption
Bell Timer - Meditation & Study Timer
Free online bell timer for meditation, yoga, study, and relaxation. Set custom intervals with soothing bell sounds.
Bicycle Gear Ratio Calculator
Calculate your bicycle's gear ratio, gear inches, and development for optimal cycling performance.
Bill Split Calculator - Tip & Tip Splitter
Split restaurant bills instantly with tip calculation. Free online bill splitter for groups with customizable tip percentages and per-person breakdown.
Biorhythm Calculator
Calculate your physical, emotional, and intellectual biorhythm cycles to understand your daily energy levels and optimal timing for activities.
비트레이트 계산기 - 비디오/오디오 비트레이트 및 파일 크기 계산기
비디오/오디오 비트레이트, 파일 크기, 재생 시간을 계산하세요. 비트레이트 단위 변환 및 저장 공간 추정이 가능합니다. 크리에이터와 개발자를 위한 무료 온라인 비트레이트 계산기.
Blood Alcohol Concentration (BAC) Calculator
Calculate your estimated blood alcohol concentration based on drinks, weight, and time. Know your limits and stay safe.
Blood Pressure Calculator - BP Reader
Check your blood pressure reading instantly. Free online BP calculator with health categories and personalized advice.
Blood Sugar Calculator
Calculate and interpret blood glucose levels. Understand normal, prediabetes, and diabetes ranges for fasting and post-meal readings.
Blood Type Calculator
Calculate possible blood types of children based on parents' blood types. Free online genetics tool.
BMI Calculator - Body Mass Index
체질량 지수 (BMI) 를 즉시 계산하세요. 건강 카테고리 및 체중 상태가 있는 무료 온라인 BMI 계산기.
BMI Percentile Calculator for Kids & Teens - Childhood BMI Calculator
Calculate your child's BMI percentile instantly. Free online pediatric BMI calculator for ages 2-19 with CDC growth charts and health categories.
BMR 계산기 - 기초대사량
기초대사량 (BMR) 과 일일 칼로리 필요량을 즉시 계산하세요. TDEE 와 영양소 비율이 포함된 무료 온라인 BMR 계산기.
Body Adiposity Index (BAI) Calculator
Calculate your Body Adiposity Index (BAI) to estimate body fat percentage using hip circumference and height.
Body Composition Analyzer
Analyze your body composition including body fat percentage, muscle mass, basal metabolic rate, and health metrics based on your measurements.
Body Fat Calculator - Body Fat Percentage
Calculate your body fat percentage instantly using the US Navy method. Free online body fat calculator with lean mass and health category analysis.
Body Fat Percentage Calculator
Calculate your body fat percentage using the US Navy method based on body measurements
Body Frame Size Calculator
Calculate your body frame size (small, medium, large) using wrist circumference and height. Essential for ideal weight calculations and health assessments.
BMI Category Calculator
Calculate your BMI and get detailed body mass index classification with health recommendations
Body Roundness Index (BRI) Calculator
Calculate your Body Roundness Index to assess body fat percentage and health risk based on waist circumference and height.
Body Type Calculator
Discover your body type (ectomorph, mesomorph, or endomorph) with this free somatotype calculator.
Body Water Calculator - Total Body Water Percentage
Calculate your Total Body Water (TBW) and hydration percentage instantly. Free online body water calculator with daily intake recommendations.
Border Radius Generator
Visually create CSS border-radius values with preview. Generate smooth rounded corners for buttons, cards, and UI elements.
BPM Metronome & Tempo Calculator
Free online metronome with BPM calculator. Set tempo, practice rhythm, and calculate beats per minute for any song.
Breakeven Calculator - Business Profitability Calculator
Calculate your business breakeven point instantly. Free online breakeven calculator to find how many units you need to sell to cover all costs.
Breathalyzer Calculator - BAC Estimator
Estimate your Blood Alcohol Content (BAC) using the Widmark formula. Know when it's safe to drive after drinking.
호흡 타이머 - 박스 호흡 & 4-7-8 호흡 운동 가이드
스트레스 해소, 명상, 이완을 위한 무료 온라인 호흡 운동 타이머. 박스 호흡, 4-7-8 기법, 커스텀 간격 기능을 제공합니다.
Body Surface Area Calculator - BSA Calculator
Calculate your Body Surface Area (BSA) instantly using multiple formulas (Mosteller, DuBois, Haycock, Gehann, Boyd). Free online BSA calculator for medical professionals.
Budget Calculator - Personal Finance Planner
Plan and track your personal budget. Free online budget planner with expense tracking and savings goals.
Bun Fermentation Schedule Calculator
Calculate perfect fermentation and proofing schedules for bread, buns, and dough
Burnout Risk Assessor
Assess your burnout risk level based on work hours, stress, and lifestyle factors. Get personalized recommendations.
Caffeine Half-Life Calculator
Calculate how long caffeine stays in your system and when it will be fully metabolized
Caloric Deficit/Surplus Calculator - Weight Goal Calculator
Calculate daily caloric deficit or surplus needed to reach your target weight. Free online calorie goal calculator with personalized recommendations.
운동선수 칼로리 필요량 계산기 - 스포츠 영양 계산기
운동선수의 종목, 훈련 강도, 목표에 따른 일일 칼로리 필요량을 계산하세요. 지구력, 근력, 팀 스포츠를 위한 맞춤형 영양소 추천을 받으세요.
Senior Calorie Needs Calculator
Calculate daily calorie needs for seniors aged 60+. Accounts for age-related metabolic changes.
Calorie Burn Calculator - Exercise Calorie Tracker
Calculate calories burned during exercise instantly. Free online calorie burn calculator for running, walking, cycling, swimming and 10+ activities.
Calorie Calculator - TDEE & Macros
일일 칼로리 필요량, TDEE(총 일일 에너지 소비량), 그리고 영양소 비율을 계산하세요. 피트니스 및 체중 관리를 위한 무료 온라인 칼로리 계산기.
칼로리 결손 계산기 - 체중 감량 계산기
안전하고 지속적인 체중 감량을 위한 칼로리 결손을 계산하세요. 맞춤형 일일 칼로리 목표와 주간 체중 감량 추정을 받으세요. 무료 온라인 칼로리 결손 계산기.
Calorie Density Calculator - Food Calorie per Gram Calculator
Calculate calorie density of foods to help with weight management and healthy eating. Free online food calorie per gram calculator.
Calorie Distribution Calculator
Distribute your daily calorie goal across meals for balanced nutrition
Calorie Goal Calculator
Calculate your daily calorie needs for weight loss, maintenance, or gain based on your goals
Daily Calorie Intake Goal Calculator
Calculate your daily calorie intake goal for weight loss, maintenance, or gain based on your body metrics and activity level.
Calorie Macro Breakdown Calculator
Calculate grams of carbs, protein, and fat based on your calorie goal and macro ratio
Calorie & Macro Calculator
Calculate daily calorie needs and optimal macronutrient splits for weight loss, maintenance, or muscle gain.
Calorie Macro Splitter
Split your daily calorie target into protein, carbs, and fat macros based on popular diet ratios
Calorie Maintenance Calculator
Calculate your daily calorie maintenance level to maintain your current weight
Calorie Needs Calculator for Weight Goal
Calculate daily calorie needs for weight loss, maintenance, or gain based on your body metrics and activity level
Calorie Recipe Analyzer
Analyze recipe nutrition facts. Enter ingredients to calculate total calories, protein, carbs, and fat instantly.
Calorie Surplus Calculator - Bulking & Muscle Gain Calculator
Calculate daily calorie surplus needed for muscle gain and bulking. Get personalized surplus recommendations for lean bulk or bulk. Free online calorie surplus calculator.
Calorie to Exercise Calculator
Convert calories burned to exercise time. Calculate how long you need to exercise to burn off calories from food.
Calorie to Workout Calculator
Calculate how long you need to exercise to burn off calories from your favorite foods
Carbon Footprint Calculator - CO2 Emissions Calculator
Calculate your carbon footprint instantly. Free online CO2 emissions calculator to measure your environmental impact from transportation, energy, and lifestyle.
Carbon Offset Calculator
Calculate how much you need to offset to neutralize your carbon footprint from flights, driving, and home energy use.
Case Converter - Text Case Changer
UPPER, lower, Title, Camel, snake, kebab 등 다양한 케이스 간에 텍스트를 즉시 변환하세요. 개발자와 작가를 위한 무료 온라인 텍스트 케이스 변환기.
Cat BMI Calculator - Feline Body Condition Score
Calculate your cat's Body Condition Score (BCS) and determine if they're underweight, ideal, or overweight. Free online cat BMI calculator for pet owners.
Cat Calorie Calculator
Free online cat calorie calculator tool.
Cat Water Intake Calculator
Calculate the daily water intake your cat needs based on their weight and activity level. Keep your feline friend properly hydrated.
Chess Clock Calculator
Calculate and plan chess time controls with increment and delay options
Chord Progression Generator
Generate musical chord progressions in various genres and styles. Perfect for songwriters, composers, and music producers.
Chore Chart Generator
Create customizable chore charts for families and individuals. Assign tasks, set frequencies, and track completion.
커피 분쇄 크기 계산기
브루잉 방법에 완벽한 커피 분쇄 크기를 찾아보세요
커피 추출 가이드 계산기
완벽한 커피 추출 비율을 계산하고 모든 브루잉 방법별 단계별 지침을 받으세요
Coffee Brew Ratio Calculator
Calculate the perfect coffee-to-water ratio for your brewing method
Coffee Brewing Ratio Calculator
Calculate the perfect coffee-to-water ratio for your brew
Coffee Water Ratio Calculator
Calculate the perfect coffee to water ratio for your brew. Get precise measurements for any coffee strength preference.
Color Contrast Checker - WCAG Accessibility Checker
Check color contrast ratios for WCAG accessibility compliance. Free online tool for designers and developers.
Color Converter (HEX/RGB/HSL)
색상을 HEX, RGB, HSL 포맷 간에 즉시 변환하세요. 디자이너와 개발자를 위한 무료 온라인 색상 변환기.
Color Palette Generator
Generate beautiful harmonious color palettes with complementary, analogous, and triadic color schemes for your design projects.
Companion Planting Calculator
Find the best plant companions for your garden. Optimize plant pairings for pest control, growth, and yield.
Compound Interest Calculator - Investment Growth Calculator
Calculate compound interest growth on investments with monthly contributions. Free online compound interest calculator with detailed projections.
Concrete Calculator - Concrete Volume & Quantity Calculator
Calculate concrete volume and quantity needed for slabs, footings, columns, and walls. Free online concrete calculator for construction projects.
Countdown Timer - Days Until Date Calculator
Count down to any event with this free online countdown timer. Calculate days, hours, minutes, and seconds until your target date. Perfect for birthdays, holidays, and special events.
Creatine Calculator - Daily Creatine Dosage Calculator
Calculate your optimal daily creatine dosage for loading and maintenance phases. Free online creatine calculator for athletes and fitness enthusiasts.
Credit Card Validator
Validate credit card numbers using the Luhn algorithm. Check if your card number is valid and identify the card type.
Cron Expression Generator
Description
Crypto Profit Calculator - Investment Return Calculator
Calculate cryptocurrency investment profits and losses with buy/sell prices, fees, and ROI analysis. Free online crypto profit calculator.
CSS Box Shadow Generator - Shadow Generator
Generate beautiful CSS box shadows with a visual editor. Preview, customize, and copy box-shadow CSS code instantly. Free online CSS shadow generator for developers and designers.
CSS Gradient Generator - Linear & Radial Gradient Maker
Create beautiful CSS gradients with a visual editor. Generate linear and radial gradients, customize color stops, and copy CSS code instantly. Free online gradient generator for developers and designers.
Currency Converter - Exchange Rate Calculator
Convert currency between USD, EUR, KRW, JPY, GBP and more. Free online exchange rate calculator with real-time rates.
Daily Standup Generator
Generate professional daily standup meeting summaries for remote teams and agile development.
Date Calculator - Days Between Dates
날짜 간 일수를 계산하고, 날짜에 일수를 더하거나 빼고, 정확한 날짜 차이를 찾으세요. 무료 온라인 날짜 계산기.
Date Format Converter
Convert dates between different formats instantly. Support for custom patterns, Unix timestamps, and ISO 8601.
생일까지 남은 날 계산기 - 생일 카운트다운
다음 생일까지 남은 일수, 주, 개월 수를 계산하세요. 즉시 결과를 제공하는 무료 온라인 생일 카운트다운 계산기.
Debt Payoff Calculator
Calculate how long it will take to pay off your debt and discover strategies to become debt-free faster.
Dice Roller - Online Random Dice Roller for DND & Board Games
Roll virtual dice online with d4, d6, d8, d10, d12, d20, and d100. Perfect for D&D, DND, board games, and RPGs. Free online dice simulator.
할인 계산기 - 세일 가격 계산기
할인율과 최종 가격을 즉시 계산하세요. 퍼센트 할인, 금액 할인 등 다양한 옵션이 있는 무료 온라인 할인 계산기.
Document Page Calculator
Calculate estimated page count for documents based on word count, font size, spacing, and margins
Dog Age Calculator - Convert Dog Years to Human Years
Calculate your dog's age in human years instantly. Free online dog age converter with breed size considerations and health insights.
강아지 칼로리 계산기 - 강아지 사료 양 계산기
강아지의 체중, 나이, 활동 수준에 따라 일일 칼로리 필요량을 계산하세요. 맞춤형 급여 추천과 급여량을 확인하세요. 무료 온라인 강아지 칼로리 계산기.
Dog Heart Rate Zone Calculator
Calculate optimal heart rate zones for your dog's exercise and training based on their breed size and age.
Drug Half-Life Calculator
Calculate how long it takes for medication to leave your system based on drug half-life and elimination time.
Eisenhower Matrix Generator
Prioritize tasks using the Eisenhower Matrix method. Distinguish between urgent and important tasks to improve productivity.
EKG Heart Rate Zone Calculator - Training Zone Calculator
Calculate your maximum heart rate and training zones using the Karvonen formula. Free online heart rate zone calculator for optimal workout intensity.
Electricity Cost Calculator - Energy Bill Calculator
Calculate your appliance electricity cost instantly. Free online energy cost calculator to estimate daily, monthly, and yearly power consumption expenses.
Email Subject Line Grader
Analyze and score your email subject lines for open rates, clarity, and engagement potential
Email Validator
Validate email addresses for correct format and syntax. Instant email format checker.
Exercise Calorie Equivalent Calculator
Convert calories burned into equivalent exercise time. See how long you need to run, walk, swim, or cycle to burn off specific calories.
운동 회복 시간 계산기
운동 강도, 근육 그룹, 개인적 요인에 기반하여 최적의 회복 시간을 계산하세요.
Expense Report Generator
Create professional expense reports instantly. Track business expenses, calculate totals, and download printable reports for reimbursement.
Exposure-Response Calculator
Calculate safe exposure limits for noise, heat, and chemical substances in workplace environments
Intermittent Fasting Window Calculator
Calculate your optimal fasting and eating windows for intermittent fasting. Plan 16:8, 18:6, 20:4, and custom fasting schedules.
Fiber Intake Calculator - Daily Fiber Needs Calculator
Calculate your daily fiber needs instantly. Free online fiber calculator with personalized recommendations based on age, gender, and diet type.
Fibonacci Sequence Generator
Generate Fibonacci sequence with customizable starting values and count. Visualize the golden ratio pattern.
Focus Timer Calculator - Pomodoro & Productivity Timer
Calculate optimal focus and break times using scientifically proven productivity methods like Pomodoro, Flowmodoro, and 52/17 rule.
Font Size Converter - CSS Unit Converter (px/em/rem/pt)
Convert font sizes between CSS units instantly - px, em, rem, pt, vh, vw. Free online font size converter for web developers and designers.
Food Nutrient Interaction Calculator
Calculate how different foods and nutrients affect absorption rates and compatibility
Food Storage Shelf Life Calculator
Calculate how long food lasts in different storage conditions. Get expiration dates for pantry, fridge, and freezer storage.
Fraction Calculator - Add, Subtract, Multiply, Divide Fractions
Perform fraction calculations instantly - add, subtract, multiply, divide, and simplify fractions. Free online fraction calculator with step-by-step results.
Freelance Rate Calculator
Calculate your optimal freelance hourly rate based on expenses, desired salary, and billable hours.
Fuel Cost Calculator
Calculate your trip's fuel cost based on distance, vehicle efficiency, and gas price
Garden Irrigation Calculator
Calculate optimal watering schedules and water usage for your garden. Save water and keep plants healthy with precision irrigation planning.
Garden Planting Calculator
Calculate the best planting dates for vegetables based on your frost dates and plant type. Optimize your garden schedule.
Gas Mileage Calculator - Fuel Economy & Trip Cost Calculator
Calculate gas mileage, fuel economy, and trip costs instantly. Free online fuel calculator for drivers to estimate fuel costs and efficiency.
Family Relationship Calculator
Calculate family relationships and determine how two people are related
Gift Occasion Planner
Never forget a special occasion again. Plan and track all your gift-giving events throughout the year.
Glycemic Load Calculator
Calculate the glycemic load of foods to manage blood sugar levels effectively. Perfect for diabetics and low-carb diets.
Goal Achievement Timeline Calculator
Calculate how long it will take to reach your goals based on current progress and daily targets
GPA Calculator - Grade Point Average
Calculate your GPA (Grade Point Average) instantly. Free online GPA calculator with letter grade and percentage options for students.
그램 to 컵 변환기 - 요리 측정 단위 변환기
요리 재료의 그램을 컵으로, 컵을 그램으로 변환하세요. 밀가루, 설탕, 쌀, 버터 등 정확한 변환이 가능합니다.
Gratuity Calculator - Service Tip Calculator
Calculate tips and gratuities for various services including restaurants, hair salons, taxis, delivery, and more. Split bills easily with standard tip percentages.
Coffee Grind Size Calculator
Find the perfect coffee grind size for your brewing method. Get instant recommendations for espresso, pour-over, French press, and more.
Grocery Budget Calculator
Calculate your weekly and monthly grocery budget based on household size, dietary needs, and spending goals.
Guitar Chord Transposer
Transpose guitar chords to any key instantly. Perfect for singers and musicians who need to change song keys quickly.
Gym Split Generator
Create personalized workout split plans based on your goals, experience level, and available days per week
Habit Tracker Generator
Create a personalized habit tracking template with goals, streaks, and progress visualization. Build lasting habits with smart tracking.
하리스 - 베네딕트 계산기 - BMR 및 일일 칼로리 필요량 계산
하리스 - 베네딕트 공식을 사용하여 기초대사량 (BMR) 과 일일 총 칼로리 필요량을 계산하세요. 체중 유지, 감량, 증량을 위한 개인화된 칼로리 추천을 받으세요.
Hash Generator (MD5/SHA-1/SHA-256/SHA-512)
암호화 해시 (MD5, SHA-1, SHA-256, SHA-512) 를 즉시 생성하세요. 개발자와 보안 전문가를 위한 무료 온라인 해시 생성기.
Heart Rate Recovery Calculator
Calculate your heart rate recovery score to assess cardiovascular fitness and heart health after exercise.
심박수 Reserve 계산기 - HRR 및 훈련 구간 계산기
카르보넨 공식을 사용하여 심박수 Reserve(HRR) 와 최적의 훈련 구간을 계산하세요. 지방 연소, 유산소, 최고 성능을 위한 타겟 심박수 구간을 찾아보세요.
Heart Rate Variability (HRV) Calculator
Calculate your Heart Rate Variability (HRV) to assess stress, recovery, and overall autonomic nervous system health.
Heat Index Calculator
Calculate the heat index (feels-like temperature) based on air temperature and relative humidity.
Home Energy Audit Calculator
Calculate your home's energy usage and find ways to reduce electricity bills
Hourly Wage Calculator - Annual Salary Converter
Convert annual salary to hourly wage and vice versa. Free online pay calculator with weekly, biweekly, and monthly breakdowns.
Hydration & Electrolyte Calculator
Calculate your daily hydration needs and optimal electrolyte intake based on activity level, climate, and body weight.
IBS Trigger Food Diary Generator
Track and identify your IBS trigger foods with a personalized food diary template. Manage irritable bowel syndrome symptoms effectively.
Ideal Weight Calculator - Healthy Weight Range
Calculate your ideal body weight instantly using the Devine formula. Free online ideal weight calculator with BMI analysis and health recommendations.
Free Online Image Resizer
Resize images online for free. Change image dimensions, scale by percentage, or set custom width/height. Supports PNG, JPG, WebP formats.
인플레이션 계산기 - 구매력 계산기
시간에 따른 인플레이션과 구매력 변화를 계산하세요. CPI 데이터를 사용하여 다른 연도 간 달러 금액을 변환하세요. 무료 온라인 인플레이션 계산기.
Inflation Purchasing Power Calculator
Calculate how inflation affects your money's purchasing power over time
Ingredient Substitution Calculator
Find the perfect ingredient substitutes for baking and cooking. Calculate replacement ratios for common ingredients.
Intermittent Fasting Schedule Generator
Create your personalized intermittent fasting schedule. Choose your fasting pattern and wake-up time to get a daily eating and fasting window plan.
Intermittent Fasting Calculator - Fasting Schedule Planner
Plan your intermittent fasting schedule instantly. Free online fasting calculator with 16:8, 18:6, 20:4 methods and health benefits.
Interval Timer - HIIT Workout Timer & Tabata Trainer
Free online interval timer for HIIT workouts, Tabata training, and interval training. Customizable work/rest intervals with presets.
Free Invoice Generator
Create professional invoices online for free. Perfect for freelancers and small businesses.
Jet Lag Scheduler - Travel Sleep Planner
Plan your sleep schedule to minimize jet lag on long-distance travel
JSON Formatter & Validator
JSON 을 즉시 포맷팅, 유효성 검사, 압축하세요. 오류 감지가 있는 무료 온라인 JSON 도구.
Katch-McArdle BMR Calculator
Calculate your Basal Metabolic Rate using the Katch-McArdle formula with body fat percentage for more accurate results
Keto Calculator - Ketogenic Diet Macro Calculator
Calculate your ideal keto macros instantly. Free online ketogenic diet calculator with carb, protein, and fat breakdown for ketosis.
Keyword Density Checker - SEO Keyword Analysis Tool
Analyze keyword density and frequency in your text. Get SEO insights with word count, character count, and keyword percentage calculations. Free online keyword analyzer.
Laundry Detergent Usage Calculator
Calculate the optimal amount of laundry detergent based on load size, water hardness, and soil level.
Laundry Detergent Cost Calculator
Calculate the cost per load and monthly expense of laundry detergent based on bottle size, price, and wash capacity.
Lawn Calculator - Grass Seed, Fertilizer & Water Calculator
Calculate the amount of grass seed, fertilizer, and water needed for your lawn. Perfect for homeowners and landscapers.
Lean Body Mass Calculator - LBM & Body Composition Calculator
Calculate your Lean Body Mass (LBM) instantly. Free online LBM calculator to determine muscle mass, body fat percentage, and body composition using scientific formulas.
Leap Year Calculator - Check if Year is Leap Year
Leap Year Calculator - Check if Year is Leap Year
Learning Retention Calculator
Calculate how much you'll remember based on the Ebbinghaus forgetting curve. Get optimal review schedules to maximize long-term memory retention.
Liquid Volume Converter
Convert liquid volume measurements between cups, tablespoons, teaspoons, fluid ounces, pints, quarts, gallons, milliliters, and liters.
Living Wage Calculator
Calculate the minimum hourly wage needed to cover basic living expenses in your area
대출 상환 계획 계산기
원금과 이자의 월별 상세 내역으로 대출 상환 일정을 생성하세요
대출 및 모기지 계산기
대출 상환액, 모기지 월납금, 총 이자를 즉시 계산하세요. 상환 계획표와 추가 납입 분석 기능이 있는 무료 온라인 대출 계산기.
Loan Payoff Accelerator Calculator
Calculate how much interest you can save and time you can cut by accelerating your loan payments with extra payments or bi-weekly schedules.
Macro Calculator
Calculate your daily macronutrient needs for your fitness goals
Macro Food Exchange Calculator
Exchange foods while maintaining your macro goals. Perfect for keto, low-carb, and flexible dieting.
Macro Nutrient Splitter - Diet Macro Planner
Calculate ideal macro ratios for different diet plans (keto, paleo, mediterranean, vegan, bodybuilding). Free online macro calculator with personalized recommendations.
Macro Nutrient Timing Calculator
Optimize your nutrient intake timing around workouts for better performance and recovery. Calculate when to eat carbs, protein, and fats.
Macro Split Calculator - Diet Macro Percentage Calculator
Calculate ideal macro splits for your diet goals. Customize protein, carbs, and fat percentages for cutting, bulking, or maintenance.
Macro to Calories Converter - Nutrition Gram to Calorie Calculator
Convert macronutrient grams to calories instantly. Calculate protein, carbs, fat, and alcohol calories with percentage breakdown. Free online macro calorie calculator.
Macronutrient Calculator
Calculate your daily macronutrient needs for weight loss, maintenance, or muscle gain
마이크로영양소 분배 계산기
운동 목표에 맞는 최적의 영양소 비율 계산하기
Markdown to HTML Converter
Markdown to HTML Converter
Markdown to HTML Converter
Markdown 을 HTML 로 즉시 변환하세요. 개발자, 블로거, 작가를 위한 무료 온라인 도구.
식사 칼로리 추적기 - 음식 칼로리 계산기 & 식단 플래너
식사의 총 칼로리를 즉시 계산하세요. 여러 음식 항목을 추가하고 칼로리를 입력하면 자동으로 합산됩니다. 무료 온라인 식사 칼로리 추적기입니다.
Meal Macro Balancer
Calculate and balance macronutrients across your meals
Meal Prep Calculator
Meal Prep Calculator - Free online calculator tool.
Meal Prep Cost Calculator
Calculate the cost per meal when meal prepping. Track ingredients, quantities, and total costs to find your per-meal expense.
Meal Prep Planner - Weekly Meal Planning Tool
Plan your weekly meals with this smart meal prep planner. Generate balanced meal plans, create shopping lists, and save time cooking.
Recipe Scaler - Adjust Serving Sizes
Scale any recipe up or down. Enter original servings, desired servings, and ingredient amounts to get automatically adjusted measurements.
식사 시간 계산기 - 최적 식사 일정 플래너
기상 시간, 취침 시간, 식사 횟수를 기반으로 최적의 식사 일정을 계획하세요. 개인화된 식사 창과 식사 시간 추천을 받으세요. 무료 온라인 식사 플래너.
Medication Dosage Calculator
Calculate safe medication dosages based on body weight and standard dosing guidelines.
Medication Half-Life Calculator
Calculate drug half-life to estimate remaining amount in body and elimination time.
Medication Interaction Checker
Check potential interactions between common medications
Medication Schedule Generator
Create personalized medication reminder schedules with dosing times and frequency tracking
Meditation Timer
Free online meditation timer with customizable sessions, bells, and background sounds for mindfulness practice.
Meeting Time Finder - Best Time Zone Meeting Planner
Find the best meeting time across multiple time zones instantly. Free online meeting planner to schedule global meetings with overlapping business hours visualization.
Memory Unit Converter - Digital Storage Converter
Convert between digital storage units instantly - bits, bytes, KB, MB, GB, TB, PB and more. Free online memory converter for developers and IT professionals.
Metabolic Age Calculator - Metabolism Age Calculator
Calculate your metabolic age based on BMR and compare it to your actual age. Free online metabolism age calculator to assess your metabolic health.
Moon Phase Calculator
Check the current moon phase and lunar calendar for any date. Get detailed information about moon cycles, illumination, and zodiac signs.
Mortgage Calculator
Calculate your monthly mortgage payments with interest, taxes, and insurance. Free online mortgage payment calculator.
Mortgage Extra Payoff Calculator
Calculate how much interest you can save by making extra payments on your mortgage
Mortgage Refinance Calculator - Home Loan Refinancing Tool
Calculate if refinancing your mortgage will save money. Compare current vs new loan rates, monthly payments, and break-even point instantly.
순자산 계산기 - 개인 재자산 계산기
자산과 부채를 입력하여 순산을 즉시 계산하세요. 재무 진행 상황과 부 구축 여정을 추적하세요. 무료 온라인 순자산 계산기.
Noise Cancellation Calculator (dB)
Calculate effective noise levels after using earplugs, noise-canceling headphones, or soundproofing. Understand decibel reduction for better hearing protection.
Noise Exposure Dose Calculator
Calculate your cumulative noise exposure dose and assess hearing risk based on OSHA/NIOSH standards. Track safe listening time.
Nutrition Label Generator
Create custom FDA-style nutrition facts labels for your food products
Obesity Classification Calculator
Calculate your BMI and determine your obesity classification based on WHO standards. Understand your weight category and health risks.
One Rep Max Calculator - 1RM Calculator
Calculate your one rep max (1RM) instantly. Free online 1RM calculator for weightlifting, powerlifting, and strength training with Epley and Brzycki formulas.
Overtime Pay Calculator - Extra Hours Pay Calculator
Calculate your overtime pay instantly. Compute time and a half, double time, and custom overtime rates. Get weekly, monthly, and yearly earnings breakdown. Free online overtime calculator.
Ovulation Calculator - Fertile Window & Ovulation Date
Calculate your fertile window and ovulation date instantly. Free online ovulation calculator to help plan pregnancy with accurate fertile days prediction.
Pace Calculator - Running Pace Calculator
Calculate running pace instantly. Free online pace calculator for runners to compute pace per km/mile, predict race times, and plan training.
Paint Calculator - Wall Area & Paint Quantity Calculator
Calculate paint quantity and wall area instantly. Free online paint calculator for rooms, walls, and surfaces with coverage estimation and cost analysis.
Password Expiration Calculator
Calculate when your passwords should expire and get a recommended change schedule for better security.
Strong Password Generator
사용자 정의 길이와 문자 옵션으로 안전한 무작위 비밀번호를 생성하세요. 강도 미터가 있는 무료 온라인 비밀번호 생성기.
Password Strength Checker
Check if your password is strong enough. Instantly analyze password security with real-time strength evaluation.
Pause Timer Calculator
Calculate optimal pause durations for presentations, speeches, and public speaking to maximize impact and comprehension
Paycheck Calculator - Net Pay & Payroll Calculator
Calculate your net pay after taxes and deductions. Free online paycheck calculator with federal/state tax, social security, medicare, and 401k support.
Payroll Calculator
Calculate employee gross pay, deductions, and net paycheck
Percentage Calculator
퍼센트를 즉시 계산하세요. 할인, 팁, 세금, 점수 등을 위한 무료 온라인 비율 계산기.
Period Calculator - Menstrual Cycle Tracker & Period Predictor
Track your menstrual cycle and predict your next period date. Free online period calculator and ovulation tracker for women's health.
Personal Carbon Footprint Calculator
Calculate your personal carbon emissions from daily activities. Track and reduce your environmental impact.
Phone Number Validator & Formatter
Validate and format phone numbers from any country. Check validity, detect country, and convert to international formats instantly.
Plant Care Schedule Generator
Create a personalized plant watering and care schedule based on plant type, pot size, and environment.
Pomodoro Timer - Focus Timer & Productivity Tracker
Free online Pomodoro timer to boost focus and productivity. Work in 25-minute intervals with customizable breaks. Track your sessions and stay motivated.
Portion Size Calculator
Calculate ideal portion sizes based on your goals, activity level, and meal type for balanced nutrition.
Power Consumption Calculator - Electricity Usage & Energy Cost Calculator
Calculate your device power consumption and electricity costs. Estimate daily, monthly, and yearly energy usage for any appliance. Free online power calculator.
Pre/Post Workout Meal Calculator - Pre & Post Workout Nutrition Planner
Calculate optimal pre-workout and post-workout meal macros (protein, carbs, fat). Get personalized nutrition timing recommendations for your workout goals.
Pregnancy Calorie Calculator
Calculate daily calorie needs during pregnancy by trimester
임신 예정일 계산기 - 출산 예정일 계산기
마지막 생일 날짜로부터 아기의 출산 예정일을 즉시 계산하세요. 임신 주수, 삼삼기 정보, 주요 일정을 제공하는 무료 온라인 임신 계산기.
Price per Unit Calculator - Unit Price Comparison Tool
Compare unit prices to find the best deal. Calculate price per ounce, pound, gram, fluid ounce, and more. Smart shopping calculator for grocery comparisons.
Project Deadline Calculator
Calculate project deadlines accounting for weekends and holidays. Plan your work schedule with accurate due dates.
Project Schedule Calculator
Calculate project completion dates based on task count, team size, and working hours. Plan your project timeline accurately.
Projector Screen Size Calculator
Calculate the ideal projector screen size and throw distance for your home theater setup
Protein Calculator - Daily Protein Needs
Calculate your daily protein needs instantly based on activity level and fitness goals. Free online protein calculator with macro breakdown.
QR Code Generator
URL, 텍스트, WiFi, 이메일 등을 위한 맞춤형 QR 코드를 즉시 생성하세요. 다운로드 옵션이 있는 무료 온라인 QR 코드 생성기.
Rainfall Calculator
Calculate the total volume of water collected from rainfall
Random Activity Generator
Discover new activities and things to do. Get instant random suggestions for hobbies, fun activities, and things to try.
Random Decision Maker - Yes/No, Choice Picker, Coin Flip, Dice Roll
Make random decisions instantly. Flip a coin, roll dice, pick random choices, or generate random numbers. Free online decision maker tool.
Random Number Generator - RNG Picker
Generate random numbers instantly with customizable range, quantity, and options. Free online RNG generator for lottery, giveaways, and random selection.
Random Teams Generator
Instantly create random teams from a list of names. Perfect for games, projects, classroom activities, and group assignments.
읽는 시간 계산기 - 단어 수 및 읽기 속도 추정
텍스트를 읽는 데 걸리는 시간을 계산하세요. 단어 수와 읽기 속도를 기반으로 즉시 읽는 시간을 추정합니다. 작가와 콘텐츠 크리에이터를 위한 무료 온라인 읽기 시간 추정기.
Recipe Cost Calculator
Calculate the cost of your recipes and determine cost per serving with this free recipe cost calculator tool.
Recipe Nutrition Calculator
Calculate total nutrition facts for any recipe. Add ingredients and get calories, protein, carbs, fat, and more.
Recovery Heart Rate Calculator
Calculate your heart rate recovery score after exercise. Measure cardiovascular fitness and track improvements over time.
Recovery Time Calculator - Workout Recovery & Rest Calculator
Calculate optimal recovery time after workouts. Free online recovery calculator for athletes and fitness enthusiasts.
Recurring Expense Tracker
Track and manage all your recurring subscriptions and expenses. Calculate monthly and yearly costs.
Recurring Meeting Scheduler
Find the best time for recurring meetings across multiple time zones. Calculate optimal meeting times that work for all participants.
냉장고 음식 안전 계산기
냉장고에서 음식이 얼마나 안전한지 확인하세요. 보관 시간을 계산하고 음식 안전 가이드를 받으세요.
Rent to Own Calculator
Calculate if rent-to-own is worth it. Compare rent-to-own vs traditional buying with total costs, equity buildup, and break-even analysis.
One Rep Max Calculator
Calculate your one-rep max and optimal training weights for any rep range based on strength training formulas.
Repetitive Strain Injury Risk Calculator
Assess your risk of developing RSI from computer work and repetitive tasks
Reps to Recovery Calculator
Calculate optimal recovery time based on your workout volume, intensity, and muscle groups trained
Responsive Image Size Calculator
Calculate optimal image sizes for responsive web design. Generate srcset values and dimensions for different screen breakpoints.
Rest Time Calculator
Calculate optimal rest time between workout sets based on your fitness goals
Restaurant Tip Calculator
Calculate restaurant tips easily with preset percentages and bill splitting. Find the perfect tip amount for your dining experience.
Resting Heart Rate Calculator
Calculate your resting heart rate and assess your cardiovascular health based on age and fitness level.
Retirement Calculator - Retirement Planning Calculator
Plan your retirement with our free online retirement calculator. Calculate how much you need to save, when you can retire, and your retirement income needs.
Roast Chicken Cooking Time Calculator
Calculate perfect roasting time for whole chicken based on weight
Roast Cooking Time Calculator
Calculate perfect roasting time for beef, pork, lamb, and turkey based on weight and desired doneness.
Roman Numeral Converter - Convert Numbers to Roman Numerals
Convert numbers to Roman numerals and vice versa instantly. Free online Roman numeral converter with support for numbers 1-3999.
RPE Calculator - Rate of Perceived Exertion
Calculate and understand your Rate of Perceived Exertion (RPE) to optimize workout intensity and training zones.
Safe Listening Time Calculator - Noise Exposure Calculator
Calculate safe listening time based on noise level. OSHA-compliant noise exposure calculator to protect your hearing from damage.
Sales Tax Calculator - Tax Rate Calculator
Calculate sales tax and final price instantly. Free online sales tax calculator with US state tax rates and custom tax options.
Savings Goal Calculator - Reach Your Financial Target
Calculate how long it takes to reach your savings goal. Plan monthly deposits and track progress toward your financial target. Free online savings planner.
스크린타임 밸런스 계산기 - 디지털 웰니스 트래커
이상적인 스크린타임 밸런스와 디지털 웰니스 점수를 계산하세요. 기기 사용량을 추적하고 건강한 스크린타임 제한을 찾아 정신 건강을 개선하세요.
Screen Time Budget Calculator
Set daily screen time limits for different activities and track your digital wellness budget
Sentence Case Converter
Convert text between different case formats instantly
Sentence Counter & Text Analyzer
Count sentences, paragraphs, words, and analyze text statistics with reading time estimation
Service Charge Calculator
Calculate service charges, management fees, and additional costs for any service amount
Shift Schedule Calculator
Plan and calculate work shifts, break times, and total hours for any shift pattern
Shift Schedule Generator
Generate rotating shift schedules for teams with common shift patterns like 2-up 2-down, 3-2-3, Poole, and Continental.
Shift Schedule Calculator
Plan and calculate work shift schedules with rotation patterns
Sleep Calculator - Sleep Cycle Calculator
Calculate optimal sleep and wake times based on 90-minute sleep cycles. Free online sleep calculator for better rest and energy.
Sleep Cycle Calculator - Optimal Sleep Times
Calculate optimal sleep and wake times based on 90-minute sleep cycles. Wake up refreshed with science-based sleep timing.
토양 pH 조정 계산기
식물 성장을 최적화하기 위해 토양 pH 조정에 필요한 석회나 황의 양을 계산합니다
Soil pH Adjustment Calculator
Calculate how much lime or sulfur to add to adjust soil pH for optimal plant growth
Solar Inverter Size Calculator
Calculate the right inverter size for your solar panel system based on your power needs.
Solar Panel Calculator - Solar Energy Production Calculator
Calculate your solar panel energy production instantly. Free online solar calculator to estimate daily, monthly, and yearly power generation with cost savings.
Solar Panel ROI Calculator - Solar Investment Return Calculator
Calculate solar panel ROI, payback period, and lifetime savings. Free online solar investment calculator with tax credit and electricity rate analysis.
간격 반복 학습 일정 계산기
기억 유지와 학습 과학에 기반한 최적의 복습 일정을 생성하세요.
Speaking Rate Calculator
Calculate your speaking speed in words per minute (WPM) and get recommendations for optimal presentation pace.
Speaking Time Calculator
Calculate how long it takes to read or speak any text
Specific Heat Calculator
Calculate specific heat capacity, heat energy, or temperature change. Essential for physics, chemistry, and engineering calculations.
Standard Deviation Calculator
Calculate standard deviation, variance, mean, and range for any dataset. Free online statistics calculator.
Standing Desk Schedule Calculator
Calculate optimal standing and sitting intervals for your workday to improve posture, energy, and health.
Step Calculator - Steps to Miles/Calories Converter
Convert steps to distance, calories burned, and time. Track your daily walking fitness goals with this free online step counter calculator.
Stock Dividend Calculator
Calculate dividend income, yield, and payout schedule for your stock investments
Stopwatch - Online Timer with Lap Function
Free online stopwatch with millisecond precision, lap function, and pause/resume capabilities. Perfect for timing workouts, cooking, and more.
Streaming Data Usage Calculator
Calculate how much data streaming video, music, and podcasts use. Plan your internet and mobile data usage.
Strength-to-Weight Ratio Calculator
Calculate your strength-to-weight ratio for bench press, squat, deadlift, and more. Track relative strength progress.
Stress & Burnout Risk Calculator
Assess your stress levels and burnout risk with this comprehensive mental health calculator.
Stress Level Calculator - Stress Test & Assessment
Assess your stress level instantly with our free online stress test. Get personalized results and tips to manage stress effectively.
Subscription Cancellation Saver Calculator
Calculate how much money you can save by canceling unused subscriptions
Subscription Cost Calculator
Calculate your total monthly and yearly subscription costs. Track Netflix, Spotify, and all recurring expenses.
Sunrise Sunset Calculator - Golden Hour Timer
Free online sunrise and sunset calculator. Get exact sunrise/sunset times, golden hour, blue hour, and civil twilight for any location and date. Perfect for photographers and outdoor enthusiasts.
Sunscreen SPF Calculator
Calculate the right SPF level and reapplication time based on your skin type and UV index.
Supplement Stack Planner
Plan your workout supplement stack with timing, dosages, and cycle recommendations for optimal results.
Surface Area Calculator - 3D Shape Surface Area
Calculate surface area of spheres, cylinders, cones, cubes, and rectangular prisms instantly. Free online 3D geometry calculator for students and professionals.
Swim Set Calculator
Calculate swimming set times, distances, and rest intervals for effective pool training workouts
Swimming Pace Calculator
Calculate your swimming pace per 100m, 50m, or 25m. Track your pool swimming speed and performance.
Table Tip Calculator
Split restaurant bills and calculate tips for each person with tax and multiple tip percentages
Take-Home Pay Calculator
Calculate your actual take-home pay after federal tax, state tax, Social Security, and Medicare deductions.
Target Heart Rate Calculator - Training Zone Calculator
Calculate your target heart rate zone for exercise instantly. Free online heart rate calculator using Karvonen method with fitness level adjustments.
Electricity Tariff Calculator
Calculate your monthly electricity bill based on usage and tariff rates. Easy-to-use energy cost calculator.
TDEE 계산기 - 일일 총 에너지 소비량
활동 수준을 기반으로 하루에 소모하는 총 칼로리 (TDEE) 를 계산하세요.
Tea Steeping Time Calculator
Calculate the perfect steeping time for any type of tea based on water temperature and tea variety.
Test Grade Calculator - Score Percentage & Letter Grade Calculator
Calculate test grades, scores, and letter grades instantly. Free online grade calculator with GPA conversion. Find what grade you got on any test.
Anagram Generator
Create anagrams from any word or phrase. Perfect for puzzles, games, and creative wordplay.
Text Anonymizer - Personal Data Masker
Automatically detect and mask personal information like emails, phone numbers, credit cards, and more in your text.
Text Character Counter
Count characters, words, bytes, and lines in your text with encoding analysis
Text Contrast Checker
Check if your text and background colors meet WCAG accessibility standards for readable web content.
텍스트 포맷터 & 정리 도구 - 텍스트 처리 도구
텍스트를 즉시 포맷팅하고 정리하세요. 여분의 공백, 줄바꿈, 특수문자를 제거하세요. 대소문자 변환, 줄 정렬 등. 무료 온라인 텍스트 포맷터.
Text Readability Optimizer
Analyze and improve your text readability with Flesch-Kincaid, Gunning Fog, and SMOG scores
Text Readability Score Calculator - Flesch-Kincaid Analyzer
Calculate text readability scores instantly. Free online readability analyzer with Flesch-Kincaid, Gunning Fog, and more metrics.
Text Scroll Speed Calculator
Calculate optimal scroll speed and reading time for web content. Analyze text readability based on scroll behavior.
Text Security Scanner
Detect exposed API keys, passwords, and secrets in text or code before committing
텍스트 통계 분석기 - 단어, 문장 및 글자수 분석
텍스트의 상세 통계 분석: 단어 수, 글자 수, 문장, 단락, 읽기 시간, 평균 단어 길이 등. 무료 온라인 텍스트 분석 도구.
Text to ASCII Art Generator
Convert any text into ASCII art with multiple font styles
Text to ASCII Art Generator
Convert text to creative ASCII art. Perfect for social media, code comments, and terminal displays.
Text to Emoji Converter
Convert text to emojis instantly. Transform words into fun emoji combinations for social media, messages, and more.
Text to Möbius Strip Converter
Transform your text into a Möbius strip pattern with continuous loop animation effect
Text to Morse Code Converter
Convert text to Morse code and vice versa. Supports international characters and audio playback.
Text to Speech Converter
Convert text to natural-sounding speech instantly. Free online TTS converter with multiple voices and languages.
Text Transformer - Case Converter & Formatter
Convert text between uppercase, lowercase, title case, camel case, snake case, kebab case, and more. Free online text formatting tool.
Tile Calculator - Flooring & Tiling Calculator
Calculate tiles needed for any room. Free online tile calculator with waste percentage and cost estimation.
Time Block Scheduler
Plan your day with time blocking. Schedule tasks into focused time blocks for maximum productivity.
Time Calculator - Duration & Time Difference Calculator
Calculate time duration, add or subtract hours/minutes/seconds instantly. Free online time difference calculator for scheduling and planning.
Time Card Calculator
Time Card Calculator - Online calculator
Time Difference Calculator
Calculate the exact time difference between two dates and times. Get results in days, hours, minutes, and seconds.
Time Duration Calculator - Time Difference Calculator
Calculate time duration between two times instantly. Free online time difference calculator with add/subtract time functions.
Time Off & Vacation Days Calculator
Calculate your accrued vacation days, PTO balance, and time off eligibility based on your employment start date and company policy.
Time Sheet Calculator
Calculate work hours, overtime, and total pay
Time Tracker - Work Time Calculator & Timer
Free online time tracker. Track work hours, calculate total time, and generate time reports. Simple productivity timer for freelancers and teams.
Time Zone Calculator
Convert time between different time zones and calculate time differences. Find the best meeting time across multiple time zones.
Time Zone Converter - World Clock
시간을 시간대 간에 즉시 변환하세요. 글로벌 회의 및 여행 계획을 위한 무료 온라인 세계 시계 및 시간대 변환기.
Timezone Meeting Finder
Find the best meeting time across multiple timezones
Timezone Overlap Finder
Find common meeting times across multiple time zones for global teams
Business Tip Calculator with Tax
Calculate total bill including tax and tip for business dining. Split the bill among multiple people easily.
Tip Calculator - Restaurant Gratuity Calculator
레스토랑 팁을 계산하고 계산을 즉시 분할하세요. 사용자 정의 팁 비율과 계산 분할이 있는 무료 온라인 팁 계산기.
팁 백분율 계산기 - 팁율 계산
청구 금액과 팁 금액에서 팁 백분율을 계산하세요. 식당 팁 계산 및 역팁 계산기.
Tip Report Generator
Generate daily and weekly tip reports for tax documentation. Track cash tips, credit card tips, and create printable reports.
Tip Splitter Calculator
Split a restaurant bill with tip among multiple people. Calculate per-person cost including tip percentage.
Tip & Tax Split Calculator
Calculate tip, tax, and split the total bill among multiple people instantly.
Tire Size Calculator
Calculate tire diameter, sidewall height, and overall dimensions from tire size specifications. Compare tire sizes and check fitment compatibility.
Unit Converter
단위를 즉시 변환하세요 - 길이, 무게, 온도, 부피, 면적, 속도 등. 일상 사용을 위한 무료 온라인 단위 변환기.
URL Encoder & Decoder
Encode or decode URLs instantly. Convert special characters to URL-safe format and vice versa.
UUID/GUID Generator & Validator
UUID(v1, v3, v4, v5) 를 생성하고 UUID 포맷을 유효성 검사하세요. 배치 생성이 있는 무료 온라인 UUID 생성기.
UV Index Calculator - Sun Exposure & Sunscreen Calculator
Calculate UV Index and safe sun exposure time. Get sunscreen SPF recommendations and skin protection guidelines based on your location and skin type. Free online UV calculator.
Visceral Fat Calculator - Body Fat Distribution Analyzer
Calculate your visceral fat level instantly. Free online internal body fat calculator to assess health risks and get personalized recommendations.
VO2 Max Calculator - Cardiovascular Fitness & Oxygen Consumption Calculator
Calculate your VO2 Max instantly. Free online VO2 max calculator to assess cardiovascular fitness, aerobic capacity, and endurance level based on heart rate and exercise data.
Voice Recording Time Calculator
Calculate voice recording file size and duration based on bitrate, sample rate, and channels
Waist-to-Height Ratio Calculator
Calculate your waist-to-height ratio to assess health risk and determine optimal waist circumference for your height.
Waist-to-Hip Ratio Calculator - WHR Health Risk Assessment
Calculate your Waist-to-Hip Ratio (WHR) instantly. Free online WHR calculator to assess health risks, body shape, and cardiovascular risk based on WHO guidelines.
Water Fasting Calculator
Calculate optimal water fasting duration and track benefits timeline for health and detox goals
Water Footprint Calculator
Calculate your daily water footprint based on diet, household usage, and lifestyle habits.
Water Heater Cost Calculator
Calculate your water heater energy costs and estimate monthly savings from efficiency upgrades
물 섭취 계산기 - 일일 수분 섭취 계산기
체중, 활동 수준, 상태를 기반으로 일일 물 섭취 필요량을 계산하세요. 맞춤형 권장사항이 있는 무료 온라인 수분 계산기.
Water Softener Salt Calculator
Calculate how much salt your water softener needs based on water hardness, household size, and daily water usage.
Plant Watering Schedule Calculator - Indoor Plant Care Planner
Create personalized watering schedules for your houseplants. Track watering frequency based on plant type, pot size, and season.
체중 목표 계산기 - 목표 달성 기간 및 일일 칼로리 목표
목표 체중까지 걸리는 시간과 일일 칼로리 목표를 계산하세요. 체중 감량 또는 증량 목표를 설정하고 개인화된 칼로리 추천을 받으세요. 무료 온라인 체중 목표 플래너.
Weight Loss Rate Calculator - Time to Goal Calculator
Calculate your weight loss timeline instantly. Free online weight loss calculator to estimate weeks/months to reach your goal weight with healthy loss rates.
Weighted GPA Calculator
Calculate your weighted GPA including AP, IB, and honors course bonuses. Perfect for high school and college students.
Word Cloud Generator
Create beautiful word clouds from any text. Visualize word frequency instantly.
Word & Character Counter - Text Analyzer
실시간으로 단어, 문자, 단락, 문장을 세세요. 작가, 학생, 콘텐츠 크리에이터에게 완벽합니다.
Work Hours Calculator - Time Card & Pay Calculator
Calculate work hours, overtime, and pay instantly. Free online time card calculator with break deductions and hourly rate calculations.
Workout Plan Generator
Generate personalized workout plans based on your fitness goals, experience level, and available equipment.
운동 휴식 타이머 - 헬스장 휴식 타이머 & 인터벌 타이머
헬스장 운동을 위한 무료 온라인 휴식 타이머. 커스터마이징 가능한 타이머, 사운드 알림, 진동으로 세트 간 휴식 인터벌을 설정하세요. 근력 운동과 HIIT 에 완벽합니다.
운동 분할 계산기 - 운동 루틴 플래너
설명
Workout Split Generator
Generate personalized weekly workout splits based on your goals, experience level, and available days.
Workout Volume Calculator
Calculate your workout volume (sets × reps × weight) to track training load and optimize progressive overload for muscle growth.
World Clock Meeting Scheduler
Find the best meeting time across multiple time zones. Compare world clocks and schedule international meetings easily.
YAML Formatter & Validator
Free online YAML formatter, validator, and JSON converter