US miles per gallon to Imperial miles per gallon formula
Imperial mpg = US mpg × 1.20094993
Multiply US MPG by approximately 1.20094993. MPG and L/100km are reciprocal measures: higher MPG is better, while lower L/100km is better. Use the imperial mpg to mpg converter for the reverse direction.
US miles per gallon to Imperial miles per gallon conversion table
Common mpg to imperial mpg values, rounded for reading. The converter above keeps full precision.
| US miles per gallon | Imperial miles per gallon |
|---|---|
| 3 US mpg | 3.60285 imp mpg |
| 4 US mpg | 4.8038 imp mpg |
| 5 US mpg | 6.00475 imp mpg |
| 6 US mpg | 7.2057 imp mpg |
| 7 US mpg | 8.40665 imp mpg |
| 8 US mpg | 9.6076 imp mpg |
| 10 US mpg | 12.0095 imp mpg |
| 15 US mpg | 18.0142 imp mpg |
| 20 US mpg | 24.019 imp mpg |
| 25 US mpg | 30.0237 imp mpg |
| 30 US mpg | 36.0285 imp mpg |
| 35 US mpg | 42.0332 imp mpg |
| 40 US mpg | 48.038 imp mpg |
| 50 US mpg | 60.0475 imp mpg |
| 60 US mpg | 72.057 imp mpg |
Worked example
To convert 8 US mpg to imperial miles per gallon, apply the formula above: the result is 9.6076 imp mpg. US and Imperial gallons are different. Higher MPG means better efficiency, while lower L/100km means better efficiency; zero cannot be converted with a reciprocal formula.
Frequently asked questions
How do you convert US mile per gallon to Imperial mile per gallon?
Multiply US MPG by approximately 1.20094993. The formula is Imperial mpg = US mpg × 1.20094993.
What is 8 US mpg in imp mpg?
8 US mpg equals 9.6076 imp mpg. The converter rejects zero because reciprocal fuel-economy values would be infinite.
Are US MPG and Imperial MPG the same?
No. An Imperial gallon is larger than a US gallon, so the same vehicle has a higher Imperial MPG number. Choose the standard used by the vehicle specification.
Related fuel economy conversions
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