QUICK CONVERSION
UK miles per gallon to US miles per gallon
Enter a value to convert uk miles per gallon to us miles per gallon, or use the right-hand input to convert in reverse.
How to convert uk miles per gallon to us miles per gallon
Fuel economy is a reciprocal conversion, not a simple multiplication. UK and US gallons have different volumes, so their miles-per-gallon figures are not interchangeable.
For example, 1 UK mpg corresponds to 0.832674184629 US mpg. Zero mpg or km/L cannot be converted to finite L/100 km; zero L/100 km corresponds to infinite mpg or km/L.
Common conversion values
| UK miles per gallon (UK mpg) | US miles per gallon (US mpg) |
|---|---|
| 1 | 0.832674184629 |
| 2 | 1.66534836926 |
| 5 | 4.16337092314 |
| 10 | 8.32674184629 |
| 20 | 16.6534836926 |
| 25 | 20.8168546157 |
| 30 | 24.9802255389 |
| 40 | 33.3069673852 |
| 50 | 41.6337092314 |
| 60 | 49.9604510777 |
| 80 | 66.6139347703 |
Important measurement notes
A higher miles-per-gallon number indicates better economy, whereas a lower L/100 km number indicates lower fuel consumption.
Related conversions
Figures are rounded for display. For regulated or safety-critical work, confirm the relevant measurement standard and precision.