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Math Tools

Free online math calculators and tools. Percentage, fraction, unit conversion, and more.

9 tools available

Age Calculator

Calculate your exact age from birthdate instantly. Free online age calculator with years, months, days and detailed statistics.

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calendar_month

Date Calculator - Days Between Dates

Calculate days between dates, add/subtract days from a date, and find exact date differences. Free online date calculator.

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functions

Fibonacci Sequence Generator

Generate Fibonacci sequence with customizable starting values and count. Visualize the golden ratio pattern.

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functions

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.

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percent

Percentage Calculator

Calculate percentages instantly. Free online percentage calculator for discounts, tips, taxes, scores, and more.

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functions

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.

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Standard Deviation Calculator

Calculate standard deviation, variance, mean, and range for any dataset. Free online statistics calculator.

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shape_line

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.

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straighten

Unit Converter

Convert units instantly - length, weight, temperature, volume, area, speed, and more. Free online unit converter for everyday use.

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