Finance calculator

Fuel Cost Calculator

Estimate trip fuel use and cost from distance, vehicle efficiency, and fuel price.

FormulaFuel needed = distance x fuel efficiency / 100; trip cost = fuel needed x fuel price

Formula

Fuel trip cost formula

Actual fuel cost can vary with traffic, speed, load, weather, driving style, and local fuel taxes.

Fuel needed = distance x fuel efficiency / 100; trip cost = fuel needed x fuel price

A 250 km trip at 7.5 L/100 km uses 18.75 L. At 1.35 per L, the trip costs about 25.31.

FAQ6 common questions for this calculator.

FAQs

What does L/100 km mean?+

It means how many liters of fuel the vehicle uses to travel 100 kilometers. Lower values are more efficient.

Can I use this for petrol, diesel, or gas?+

Yes. Enter the price per liter for the fuel type you use.

How does the Fuel Cost Calculator calculate the result?+

For the Fuel Cost Calculator, it uses the Fuel trip cost formula: Fuel needed = distance x fuel efficiency / 100; trip cost = fuel needed x fuel price. A 250 km trip at 7.5 L/100 km uses 18.75 L. At 1.35 per L, the trip costs about 25.31.

What information do I need to use the Fuel Cost Calculator?+

For the Fuel Cost Calculator, enter distance, vehicle efficiency, and fuel price. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.

How accurate is the Fuel Cost Calculator?+

Fuel Cost Calculator is accurate for the rates, amounts, dates, and rules entered. It uses the Fuel trip cost formula shown on this page. Real products can differ because of fees, taxes, contract terms, or changing official thresholds.

What should I check before using the Fuel Cost Calculator result?+

For the Fuel Cost Calculator, check distance, vehicle efficiency, and fuel price, then compare the Fuel trip cost formula and worked example with the contract or source you will rely on. Fees, tax year, currency, and payment timing can change the final decision.

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Finance guide

How to use the Fuel Cost Calculator

Estimate trip fuel use and cost from distance, vehicle efficiency, and fuel price. The page also explains the fuel trip cost formula and shows a practical example: A 250 km trip at 7.5 L/100 km uses 18.75 L. At 1.35 per L, the trip costs about 25.31.

  1. 1

    Enter your details

    Enter distance, vehicle efficiency, and fuel price, then complete any other fields shown in the calculator.

  2. 2

    Check the calculation

    Review the result alongside the fuel trip cost formula: Fuel needed = distance x fuel efficiency / 100; trip cost = fuel needed x fuel price.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the fuel Cost Calculator result before you use the estimate.