Fuel calculators

Save and monitor fuel usage with our free calculators

See how economical your car is with our free fuel consumption and car tax calculators.

We have some of the most widely used fuel calculators on the internet in these pages and we keep improving them, so keep the feedback coming in.

MPG calculator work out your miles per Gallon

Our ever popular MPG Calculator – by putting in your Mileage and Fuel used since the last fill-up work out your current MPG. Try the calculator again after using our fuel saving tips (we bet you get another 50 miles out of a tank!).

Use your trip counter and reset when you fill up ensuring that the tank is full then when empty fill up to full again noting the mileage covered.


MPG calculator using km. Kilometers to UK MPG.

Calculate your MPG from km for all those UK people driving an imported car that shows KM instead of miles but who still want to work out their MPG.


Litres per 100km calculator.

L/100km Calculator. Simply enter Mileage and Fuel used since last fill-up to get your fuel consumption in L/100km – the new European standard measure of a cars economy:Use your trip counter and reset when you fill up ensuring that the tank is full then when empty fill up to full again noting the mileage covered.


UK Fuel tax calculator

Press ctrl + D to book mark this UK fuel tax Calculator. It certainly suprised us how much taxation we are paying on our fuel. The UK has one of the highest fuel duty rates in the world.

Enter Mileage and Fuel used since last fill-up:
Use your trip counter and reset when you fill up ensuring that the tank is full then when empty fill up to full again noting the mileage covered. Then insert your annual mileage to get your annual tax costs




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