US to UK Miles Per Gallon Converter

30.02

Understanding MPG Conversion

Converting between US and UK miles per gallon is important because of the different gallon measurements used in each country:

  • 1 US gallon = 3.78541 liters
  • 1 UK (Imperial) gallon = 4.54609 liters
  • Conversion factor: 1 US MPG = 1.200951 UK MPG

Why the Difference Matters

When comparing fuel efficiency between US and UK vehicles, it's crucial to account for this difference to make accurate comparisons. A car rated at 30 MPG in the US would be rated at approximately 36 MPG in the UK.