How is fuel cost calculated?

Fuel used = distance ÷ 100 × L/100km; cost = fuel used × price per litre. A 500 km trip at 7 L/100km and $1.50/L costs about $52.50.

What if I know km/L or mpg?

Convert to L/100km first: L/100km = 100 ÷ (km/L). For US mpg, L/100km ≈ 235.21 ÷ mpg.

Fuel Cost Calculator

Free fuel cost calculator. Enter trip distance, fuel economy (litres per 100 km) and the price per litre to get total fuel cost, litres used and cost per kilometre.

Estimate the fuel cost of a trip from distance, economy and price.

cost = \frac{d}{100} \cdot e \cdot p

Related calculators

Fuel Economy Converter

Convert fuel efficiency between L/100km, km/L, US MPG, and UK MPG with inverse relationship handling.

Download Time Calculator

Estimate how long a file takes to transfer at a given speed.

Speed Converter

Convert between different speed units including km/h, mph, m/s, knots, and ft/s.

Length Converter

Convert between metric and imperial length units instantly