Miles per gallon (UK) to Miles per gallon (US) Converter
Convert miles per gallon (uk) (mpg UK) to miles per gallon (us) (mpg US) instantly. Free fuel economy converter with a quick reference chart.
Miles per Gallon UK (mpg UK) to Miles per Gallon US (mpg US) conversion table
Here are the most common conversions for Miles per Gallon UK (mpg UK) to Miles per Gallon US (mpg US) at a glance.
| Miles per Gallon UK (mpg UK) | Miles per Gallon US (mpg US) |
|---|---|
| 0.1 | 0.08326742 |
| 0.5 | 0.41633709 |
| 1 | 0.83267418 |
| 2 | 1.66534837 |
| 3 | 2.49802255 |
| 5 | 4.16337092 |
| 10 | 8.32674185 |
| 20 | 16.65348369 |
| 30 | 24.98022554 |
| 50 | 41.63370923 |
| 100 | 83.26741846 |
Miles per gallon (UK) to Miles per gallon (US) Converter
Our free fuel economy converter changes mpg UK into mpg US instantly, so you can compare cars rated in different countries. For example, 20 mpg UK = 16.65 mpg US.
mpg UK to mpg US chart
| mpg UK | mpg US |
|---|---|
| 5 | 4.16 |
| 10 | 8.33 |
| 15 | 12.49 |
| 20 | 16.65 |
| 25 | 20.82 |
| 30 | 24.98 |
| 40 | 33.31 |
| 50 | 41.63 |
Fuel economy units explained
Miles per gallon (UK) (mpg UK): UK (imperial) miles per gallon uses the larger 4.546-liter imperial gallon, so UK mpg figures are about 20% higher than US mpg for the same car.
Miles per gallon (US) (mpg US): US miles per gallon uses the 3.785-liter US gallon and is the standard fuel economy rating in the United States. Higher is better.
How to use the mpg UK to mpg US converter
- Enter the fuel economy in mpg UK.
- Choose the precision.
- Click Submit.
- Read the result in mpg US.
Common use cases
- Comparing cars from the US, UK, Europe and Asia
- Estimating fuel costs for trips
- Understanding imported vehicle specifications
- Tracking your own car’s efficiency
Frequently asked questions
Is a higher mpg US number better?
Yes. A higher distance per unit of fuel means better efficiency.
Why are US and UK mpg different?
A UK (imperial) gallon is about 4.546 liters, while a US gallon is 3.785 liters, so the same car shows a higher mpg in the UK.
Why is the conversion not a simple multiplication?
For these two units it is a simple multiplication by a fixed factor.
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Convert miles per gallon (us) (mpg US) to miles per gallon (uk) (mpg UK) instantly. Free fuel economy converter with a quick reference chart.
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