⛽ Fuel Efficiency
mpg (UK) to mpg (US) Converter
Convert mpg (UK) to mpg (US) instantly with a reference conversion table.
Quick answer: To convert mpg (UK) to mpg (US), multiply by 0.832674. For example, 1 mpg (UK) = 0.832674 mpg (US). Use the calculator below for any value.
mpg (UK) to mpg (US)
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Common conversions
| mpg (UK) | mpg (US) |
|---|
Formula:
How to convert mpg (UK) to mpg (US)
1
Enter your value
Type the number of mpg (uk) you want to convert into the left box. The result in mpg (us) appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — mpg (US) to mpg (UK). Your current value carries across so you don't have to re-enter anything.
3
About mpg (UK) and mpg (US)
mpg (UK) and mpg (US) are common fuel measurements.
💡 Did you know?
UK MPG × 0.833 = US MPG. A '60 mpg' UK-rated car is a '50 mpg' US-rated car — same vehicle, different gallon definition. The UK gallon (4.546 L) is 20.09% bigger than the US gallon (3.785 L).
📊 Common conversions at a glance
| mpg (UK) | mpg (US) |
|---|---|
| 10 | 8.327 |
| 15 | 12.49 |
| 20 | 16.65 |
| 25 | 20.82 |
| 30 | 24.98 |
| 35 | 29.14 |
Reviewed for 2026. mpg (UK) ↔ mpg (US) conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.