Fuel Cost Calculator

Your details

km
L/100km: lower = more efficient. km/L: higher = more efficient. MPG: higher = more efficient. Use 235.21 / MPG to convert US MPG to L/100km.
per litre
Double the distance to calculate fuel cost for the return journey as well.
Enter separate fuel economies for city and highway driving, then set your highway percentage. The calculator blends them into a single effective rate.
How many one-way trips you make per week. Used to calculate weekly and annual fuel spend.
Currency
Trip fuel cost
$14.40
Fuel used (one way)8 L
Cost per km / mile0.144 per km
Weekly fuel spend$72.00
Annual fuel spend$3,744
One-way trip$14.40
Weekly spend$72.00

This trip of 100 km costs about 14.4 in fuel.

  • This trip burns 8 L of fuel and costs 0.144 per km.
  • Cost = (km / 100) x L/100km x price per litre. Dropping from 9 L/100km to 7 L/100km saves about 22% per trip.
  • At 5 trips/week, you would spend roughly 312 per month or 3,744 per year on fuel for this route.

Next stepTry the city/highway split to model a mixed commute, or compare a more fuel-efficient vehicle to see the annual saving.

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