Unit Converter
Convert between length, weight, temperature, area, volume, speed, and data units instantly.
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How Unit Conversion Works
Unit conversion uses fixed ratios between measurement systems. Our converter handles 7 categories with dozens of units, converting instantly as you type. Temperature uses special formulas (not simple ratios), and all conversions happen in your browser.
How many cm in an inch?
1 inch = 2.54 centimetres.
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32. 20°C = 68°F.
How many grams in a pound?
1 pound = 453.592 grams.
How many miles in a kilometre?
1 km = 0.621371 miles.
