Convert UK imperial miles per gallon to US miles per gallon and US MPG to UK MPG. Imperial to US gallon converter.
Multiply the UK imperial MPG by 0.832674 to get US MPG. UK figures are always higher because imperial gallons are larger than US gallons.
| UK MPG | US MPG |
|---|---|
| 20 | 16.65 |
| 25 | 20.82 |
| 30 | 24.98 |
| 35 | 29.14 |
| 40 | 33.31 |
| 45.5 | 37.89 |
| 50 | 41.63 |
| 60 | 49.96 |
MPG to L/100km Converter
Convert miles per gallon to liters per 100 kilometers and L/100km to MPG.
L/100km to MPG Converter
Convert liters per 100 kilometers to miles per gallon and MPG to L/100km.
MPG to km/L Converter
Convert miles per gallon to kilometers per liter and km/L to MPG.
km/L to MPG Converter
Convert kilometers per liter to miles per gallon and MPG to km/L.
US MPG to UK MPG Converter
Convert US miles per gallon to UK miles per gallon (imperial).
km/L to L/100km Converter
Convert kilometers per liter to liters per 100 kilometers.
Multiply the UK MPG value by 0.832674. For example, 40 UK MPG × 0.832674 = 33.31 US MPG.
The US gallon is smaller (3.785 L vs 4.546 L). Since you get fewer liters per US gallon, a car travels fewer miles on one US gallon, giving a lower MPG number.
50 UK MPG × 0.832674 = 41.63 US MPG. When comparing fuel economy between US and UK specifications, always check which gallon type is used.
Canada uses L/100km for official fuel economy ratings. When MPG is referenced informally in Canada, it typically means US MPG due to proximity to the US market.