Unit Converter

Convert units

Length, weight, temperature and more, as you type.

This all happens on your device. Nothing you type or add is sent anywhere. Check it yourself

Are cups and gallons US or UK?

Cups, pints and fluid ounces are US measures. Gallons come in both, labelled.

What's the difference between GB and GiB?

A gigabyte (GB) is 1,000,000,000 bytes, as used by drive makers. A gibibyte (GiB) is 1,073,741,824 bytes, which is what many operating systems show.

About this tool

Runs	In your browser. Your files stay on your device.
Groups	Length, weight, temperature, volume, area, speed, data
Accuracy	Exact definitions where they exist (1959 yard and pound)
Works offline	Yes, once the page has loaded
Licence	AGPL-3.0
Added	27 September 2026
Built by	Sapience Design
Source	tools/everyday/unit-converter