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Fuel Consumption Calculator

Fuel consumption from distance and fuel used, in L/100km, km/L and MPG, plus the cost.

Enter values

Results update as you type.

Result

Fuel consumption

7 L/100km

Kilometres per litre
14.286
MPG (imperial)
40.35
MPG (US)
33.6
Cost for this trip
56
Cost per 100 km
11.2

About the Fuel Consumption Calculator

Fuel consumption from distance and fuel used, in L/100km, km/L and MPG, plus the cost.

Also known as: fuel efficiency calculator, litres per 100 km, mpg calculator, petrol consumption, diesel consumption.

How to use this calculator

  1. Enter distance travelled, fuel used, fuel price per litre.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

L/100km = litres used ÷ distance × 100

Worked example

Using the values pre-filled in the calculator above:

  • Distance travelled = 500 km
  • Fuel used = 35 litres
  • Fuel price per litre = 1.6

the calculator returns:

  • Fuel consumption: 7 L/100km
  • Kilometres per litre: 14.286
  • MPG (imperial): 40.35
  • MPG (US): 33.6