Fuel Cost Calculator

Calculate gasoline or diesel trip cost using MPG or liters per 100 km without a map or paid API.

One-way distance

Distance unit

Round trip?

Number of trips

Fuel economy

Economy unit

Fuel price

Price per

People sharing cost (optional)

—Total fuel cost

—Fuel needed

—Total distance

—Cost / person

—Fuel-only estimate. Tolls, charging, parking, maintenance, and changes in real-world economy are not included.

How to use this Fuel Cost Calculator

Estimate fuel needed and trip fuel cost from distance, fuel economy, price, and number of trips. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.