Practical information

Weights and measures

Britain is officially metric, in line with the rest of Europe. However, imperial measures are still in use, especially for road distances, which are measured in miles. Imperial pints and gallons are 20 per cent larger than US measures.

Imperial to Metric

  • 1 inch = 2.5 centimetres
  • 1 foot = 30 centimetres
  • 1 mile = 1.6 kilometres
  • 1 ounce = 28 grams
  • 1 pound = 454 grams
  • 1 pint = 0.6 litres
  • 1 gallon = 4.6 litres
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Metric to Imperial

  • 1 millimetre = 0.04 inch
  • 1 centimetre = 0.4 inch
  • 1 metre = 3 feet 3 inches
  • 1 kilometre = 0.6 mile
  • 1 gram = 0.04 ounce
  • 1 kilogram = 2.2 pounds

 

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