Fuel Cost Calculator

Price out any trip from distance, efficiency and current fuel prices.

Fuel Cost Calculator

Price out any trip from distance, efficiency and current fuel prices.

Trip distance(km)

Efficiency unit

Vehicle efficiency

Fuel price($/L)

Direction

Split between riders

Enter values above and click Calculate — results will appear here with the formula explained.

cost = distance × (L per km) × price; round trip doubles distance

How does this work?

Trip budgeting reduces to three numbers multiplied together: how far, how thirsty the vehicle is, and what fuel costs today. The subtlety is unit consistency — L/100km divides differently than km/L, so pick the format matching your dashboard or manual.

Real-world consumption drifts above rated figures with cold starts, cargo weight and aggressive acceleration. Padding estimates 15% covers most conditions; carpooling math appears automatically once you add riders.

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Quick Answer

Fuel Cost Calculator: Price out any trip from distance, efficiency and current fuel prices. Formula: cost = distance × (L per km) × price. Example: A 420 km drive at 7.

How to Use This Calculator

1Enter one-way distance (the tool doubles it for round trips).
2Match the efficiency unit to what your vehicle reports.
3Add today's pump price; split costs by entering passenger count.

Formula Used

cost = distance × (L per km) × price; round trip doubles distance

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

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Worked Example

A 420 km drive at 7.5 L/100km burns 31.5 L; at $1.65/L that's $51.98 one way — $25.99 each with two people sharing.

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Frequently Asked Questions

QHow do I find my car's real consumption?

Divide liters pumped by kilometers driven since last fill — onboard computers approximate but hand calculation reveals truth.

QDoes this include tolls or wear?

No — pure fuel. Add tolls separately; maintenance depreciation roughly adds $0.05–0.10/km for many cars.

QMPG users?

Convert first via the Fuel Economy Converter, or think of it as gallons × MPG-price equivalents.

Formula Used

cost = distance × (L per km) × price; round trip doubles distance

Frequently Asked Questions

QHow do I find my car's real consumption?

Divide liters pumped by kilometers driven since last fill — onboard computers approximate but hand calculation reveals truth.

QDoes this include tolls or wear?

No — pure fuel. Add tolls separately; maintenance depreciation roughly adds $0.05–0.10/km for many cars.

QMPG users?

Convert first via the Fuel Economy Converter, or think of it as gallons × MPG-price equivalents.