How to use the Unit Converter
- Choose length, weight, volume or temperature.
- Enter a value and pick the units to convert from and to.
Handy reference values: 1 inch = 2.54 cm, 1 mile = 1.609 km, 1 kg = 2.205 lb, 1 US gallon = 3.785 L. Fahrenheit = Celsius × 9/5 + 32.
Frequently asked questions
Is my information saved?
No. Calculations happen in your browser and nothing is stored or sent anywhere.
US or UK gallons?
Volumes use US customary units; 1 UK (imperial) gallon is about 4.546 L.