Unit Converter
Pick a measure, type a value and see it in every other unit at once, metric and US customary side by side.
Frequently asked questions
How many centimeters are in an inch?
Exactly 2.54 cm. A foot is 30.48 cm and a mile is 1.609344 km.
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32, so 20 °C is 68 °F. To go back, subtract 32 and multiply by 5/9.
How many pounds are in a kilogram?
About 2.2046. One pound is exactly 0.45359237 kg.