Unit Converter
Convert between different units of measurement for length, mass, time, temperature, and more.
Select a category and units to convert between. Enter the value you want to convert. Conventions: t = 1000 kg; year = 365 days; volume units use US liquid measures; cal is thermochemical, hp is mechanical and BTU uses the International Table definition.
Theory & Formula
Unit Conversion
Unit conversion is the process of converting between different units of measurement. It's essential for scientific calculations and international communication.
Conversion Method
Use conversion factors to convert between units. Multiply by the appropriate factor.
Q₁ and Q₂ are the original and converted values; f₁ and f₂ are their unit factors relative to the base unit.
Temperature Conversion Formulas
Example
Convert 100°C to Fahrenheit: F = 100 × 9/5 + 32 = 212°F