Plan a road-trip budget
Estimate fuel and cost for repeated round trips before departure.
Fuel Cost Calculator | Distance, MPG & Round-Trip Estimate
Fuel Cost Calculator | Distance, MPG & Round-Trip Estimate
Estimate fuel and shared trip cost from distance, km/L, L/100 km or US MPG, price per liter, trip count, and round trips.
Key features
- Accepts efficiency in km/L, L/100 km, or US-gallon MPG.
- Multiplies one-way distance by trip count and the optional round-trip factor.
- Calculates estimated liters and total cost in the same price unit you enter.
- Divides cost evenly by an optional number of people.
How to use
- Enter one-way distance and vehicle efficiency in the matching unit.
- Supply price per liter, trip count, round-trip choice, and people sharing cost.
- Review total distance, estimated liters, total cost, and per-person share.
Examples
Split carpool fuel cost
Divide an estimated trip fuel cost evenly among passengers.
Privacy
Route and vehicle inputs are calculated only in your browser; no location or values are transmitted.
Requirements
US MPG converts with 1 US gal=3.785411784 L and 1 mile=1.609344 km; displays round to two decimals. No live fuel price or actual vehicle consumption is provided.
Common questions
- Is US MPG the same as Imperial MPG?
- No. This calculator uses only US gallons; Imperial MPG is not supported.
- Does it fetch current station prices?
- No. There is no live price feed; only the price per liter you enter is used.
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- Discount CalculatorCalculate the final price after stacked discounts and post-discount tax.