Unit converter
Convert length, weight, volume, temperature, speed, area and data size.
How it works
Every value is first converted to a base unit, then to the target unit. Temperature uses its own formulas, since Celsius, Fahrenheit and Kelvin don’t share a zero point.
Frequently asked questions
Is this tool free?
Yes. It’s free to use, with no account and nothing to install.
Is my data private?
Yes. This tool works entirely on your device: nothing you enter or open is sent to a server.
Does it work on a phone?
Yes. It works in the browser of any recent phone, tablet or computer.