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Fuel cost and mileage calculator

Convert fuel economy units, estimate the fuel cost of a trip, or calculate measured fuel economy.

Get started

  1. Use the example values or enter your own measurements.
  2. Calculate, then copy the result or download the available details.

Example

Input

300 km, 7 L/100 km, price 1.5 per liter

Expected result

21 L; fuel cost 31.50

Try it

Good to know

The calculation runs in your browser. Use consistent units in fields with no explicit unit.

Calculation method

Fuel used = distance × L/100 km ÷ 100. US and imperial miles per gallon use different gallon volumes. Fuel prices are user-supplied.

Calculation mode

Trip cost
  • Distance · km
  • Fuel economy
  • Fuel economy unit · L/100 km / km/L / mpg (US) / mpg (imperial)
  • Price per liter
Convert fuel economy
  • Fuel economy
  • Input unit · L/100 km / km/L / mpg (US) / mpg (imperial)
Measured mileage
  • Distance · km
  • Fuel used · L