Miles per Gallon (US) to Miles per Gallon (Imperial)
Convert Miles per Gallon (US) to Miles per Gallon (Imperial). Uses standard fuel economy formulas (not a simple multiplier). Free calculator.
Uses standard fuel economy conversion formulas. · Updated 2026-07-12
Fuel Efficiency Calculator
Miles per Gallon (US) to Miles per Gallon (Imperial) Conversion Table
Common Miles per Gallon (US) to Miles per Gallon (Imperial) conversion values
| Miles per Gallon (US) | Miles per Gallon (Imperial) |
|---|---|
| 1 mpg | 1.201 mpg (Imp) |
| 10 mpg | 12.010 mpg (Imp) |
| 50 mpg | 60.050 mpg (Imp) |
| 100 mpg | 120.100 mpg (Imp) |
| 500 mpg | 600.500 mpg (Imp) |
| 1000 mpg | 1201.000 mpg (Imp) |
The formula
Fuel economy conversions use reciprocal relationships (e.g. L/100km ↔ mpg). Enter a value in the calculator — the conversion is not a simple multiply.