UK measurement units

The UK mixes metric packaging with miles, stone, and imperial pints. Use these tools when you translate UK numbers for international friends or travel.

Converters UK readers use most

Combine these with our units-by-country page for pint and gallon differences versus the US.

Other hubs

Metric hub · US customary hub · Travel hub

Frequently asked questions

Stone (14 lb) is a traditional body-weight unit still common in conversation. Convert to kg for international health records.
Yes. A UK pint is 20 imperial fluid ounces (about 568 mL) while a US pint is 16 US fluid ounces (about 473 mL).
Yes. Weather and most medical guidance use Celsius, while road distances use miles.