Is this trip fuel cost calculator free?

Yes, completely free with no signup and no usage limits.

Does my data leave my device?

No. All calculations run in JavaScript inside your browser. Nothing is sent to any server.

Does it work on mobile?

Yes. The calculator is mobile-first and works on iPhone Safari and Android Chrome.

How accurate is this fuel cost estimate?

The estimate is accurate if your fuel economy figure reflects typical driving conditions. Fuel economy drops at highway speeds, in city traffic, with heavy loads, or in cold weather — adjust your L/100km or MPG accordingly.

Can I use this for a round trip?

Yes. Simply double your one-way distance to calculate the fuel cost for the full round trip.

Trip Fuel Cost Calculator

Calculate how much fuel your trip will cost. Enter distance, fuel economy, and price per litre or gallon.

100% client-side · no upload

Settings Distance Fuel economy Fuel price Distance unit Economy unit Price unit

Output

How to use

Enter your trip distance and select km or miles.
Enter your vehicle's fuel economy and select L/100km or MPG.
Enter the current fuel price per litre or gallon and click Calculate Trip Cost.

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Frequently Asked Questions

Is this trip fuel cost calculator free?: Yes, completely free with no signup and no usage limits.
Does my data leave my device?: No. All calculations run in JavaScript inside your browser. Nothing is sent to any server.
Does it work on mobile?: Yes. The calculator is mobile-first and works on iPhone Safari and Android Chrome.
How accurate is this fuel cost estimate?: The estimate is accurate if your fuel economy figure reflects typical driving conditions. Fuel economy drops at highway speeds, in city traffic, with heavy loads, or in cold weather — adjust your L/100km or MPG accordingly.
Can I use this for a round trip?: Yes. Simply double your one-way distance to calculate the fuel cost for the full round trip.

Last updated: 2026-05-20 By jarvisbox