Free · Instant calculations
Unit Converter
Convert length, weight, temperature, area, volume and speed.
How to use this tool
Choose the calculation method, enter your values and select Calculate. Reset clears results and restores the example inputs.
Formula
Converted value = input × source factor ÷ destination factor. Celsius = (Fahrenheit − 32) × 5/9; Kelvin = Celsius + 273.15.
Example
1 mile is 1.609344 kilometres. 32°F is 0°C.
Assumptions and limits
UK and US gallons are different units. Results use standard conversion factors; extremely large values may exceed numeric precision.
Frequently asked question
Are pounds mass or force? Here pounds are a unit of mass, not force.