Unit Converter

Choose a type, enter a value and pick the units. UK and metric units are included.

Runs in your browser. Nothing is uploaded.

How to use it

  1. Choose the type of unit.
  2. Enter a number and pick From and To.
  3. Use Swap to reverse the conversion.

Common uses

  • Recipes and cooking
  • Travel distances and speeds
  • DIY and gardening measurements

Questions

Are UK and US gallons different?

Yes. A UK gallon is 4.546 litres and a US gallon is 3.785 litres, so both are listed separately.

How precise is it?

Results show up to 8 significant digits.

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