Fuel Cost Calculator

Estimate fuel costs for any trip by entering distance, your vehicle's fuel economy, and current fuel price. Plan your travel budget accurately and save money.

Fuel Cost Calculation

For a round trip, enter the full combined distance.

Result

Fuel Needed
8.33 L
Estimated Cost
13,333

Distance: 100 km

Fuel Economy: 12 km/L

Fuel Price: 1,600/L

Formula and decision logic

Fuel cost combines route distance, vehicle efficiency, and unit fuel price to estimate the money needed for a trip.

Trip fuel cost = (distance / fuel economy) × fuel price

Worked examples

Daily drive

Input: 100 km, 12 km/L, 1600 per L

Result: About 13333 total fuel cost

Long weekend

Input: 420 km, 15 km/L, 1750 per L

Result: Estimate fuel needed first, then total cost

How to use this calculator

  1. 1Enter the trip distance
  2. 2Enter your vehicle's fuel economy
  3. 3Enter the fuel price to see the estimated cost

How to read the result

  • The most expensive trips usually come from a combination of long distance and low fuel economy, not fuel price alone.
  • This estimate is most useful for comparing route options or setting a travel budget.

Common input mistakes

  • Using one-way distance when you actually need a round-trip estimate.
  • Entering fuel economy in the wrong unit system.

Frequently asked questions

How do I estimate fuel cost for a trip?

Enter the trip distance, your vehicle's fuel economy, and the current fuel price to get the estimated cost.

Can I compare costs for different vehicles?

Yes, run the calculation with different fuel economy values to compare costs between vehicles.

Does it account for round trips?

Enter the total round-trip distance to calculate the full cost, or calculate one way and double it.

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