Converters
Unit converter
Convert between metric and imperial units of length, weight, temperature, volume, area and speed: meters to feet, kilos to pounds, Celsius to Fahrenheit and much more.
1 m = 3.28084 ft
How to use it
- 1
Pick the category (length, weight, temperature…).
- 2
Type a value in either field: the other one converts on its own.
- 3
Use the ⇄ button to swap the units whenever you want.
Frequently asked questions
Which formula does it use for temperature?
Celsius to Fahrenheit: °F = °C × 9/5 + 32. Celsius to Kelvin: K = °C + 273.15. Every other category uses exact conversion factors.
Are the factors exact?
Yes, we use the international definitions: 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly, 1 mile = 1,609.344 m.
How many decimals does it show?
Up to 6 significant decimals, enough for everyday, school and technical use.