Convert Miles per Gallon (UK) to Miles per Gallon (US)
mpg to mpg · fuel economy conversion
What are miles per gallon (uk) and miles per gallon (us)?
Miles per gallon (UK) uses the larger 4.546-liter imperial gallon, so its numbers run higher than US mpg. Miles per gallon (US) is the standard US fuel-economy measure, based on the 3.785-liter US gallon. For reference: 30 US mpg is about 12.8 km/L, a typical efficient car.
How to convert miles per gallon (uk) to miles per gallon (us)
1 mpg = 0.832673 mpg. To convert, multiply the number of miles per gallon (uk) by 0.832673. For example, 5 mpg = 4.16337 mpg, and 20 mpg = 16.6535 mpg. To go the other way, multiply miles per gallon (us) by 1.20095 (since 1 mpg = 1.20095 mpg).
Miles per Gallon (UK) to Miles per Gallon (US) conversion table
| Miles per Gallon (UK) (mpg) | Miles per Gallon (US) (mpg) |
|---|---|
| 20 | 16.6535 |
| 25 | 20.8168 |
| 30 | 24.9802 |
| 35 | 29.1436 |
| 40 | 33.3069 |
| 50 | 41.6337 |
| 60 | 49.9604 |
FAQ
What is 1 mpg in mpg?
1 mpg = 0.832673 mpg. To convert any amount, multiply the number of miles per gallon (uk) by 0.832673.
How do I convert miles per gallon (us) back to miles per gallon (uk)?
Go the other way: 1 mpg = 1.20095 mpg, so multiply miles per gallon (us) by 1.20095 to get miles per gallon (uk).
Is a miles per gallon (uk) bigger than a miles per gallon (us)?
No — 1 mpg is the smaller unit, equal to 0.832673 mpg (it takes 1.20095 mpg to make one mpg).
Are these fuel economy conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.