Miles Per Gallon Calculator

The efficiency of your car's engine is usually expressed in miles per gallon. However, this is a legacy of the time when the price was given in gallons, not litres. Nowadays it is difficult to work out your mpg figure without doing some complicated maths. The calculator below will work this out for you from the price per litre and the mileage you have done.

This can be important when you use a car for work, when you are deciding whether to take a company car or to take an allowance for example.

1. Enter price pf petrol per litre in pence.

 

2. Enter amount of petrol you used, in £s.
 

3. Enter the number of miles you did with the petrol.
 

 

From the figures above, you did miles per gallon

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