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Unit converter

Convert length, weight, volume, temperature, area, speed, time, data, fuel economy, pressure and energy, with UK and US units.

  • UK and US units
  • Instant results
  • Free, no account
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UK units

Stone, UK pints and gallons, miles per gallon (UK) and more.

Both directions

Type in either box and the other updates straight away.

Every unit at once

See your value in all the units of that type.

Questions

Is a UK pint different from a US pint?

Yes. A UK pint is 568 ml and a US pint is 473 ml. Gallons differ in the same way.

How do I convert mpg to litres per 100 km?

Choose Fuel economy, type your mpg (UK) and pick litres per 100 km.

Is anything uploaded?

No. Everything happens in your browser, on your device. Nothing you add or type is sent to this website or anywhere else.

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