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Fuel Cost Calculator — Trip Fuel, Cost & Cost per Person

Editable live calculator

Change any input — the result updates immediately

No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

One-way distance Distance unit Trip type Number of identical trips Fuel economy / consumption Economy unit Fuel price Fuel price unit Tolls / fixed trip costs People sharing cost

Calculated result

30 total trip cost

Fuel used: 20 L (5.283 US gal)

Fuel-only cost: 30

Cost per km: 0.1 · per mile: 0.16

Even split for 1 people: 30 each

Show the working

1. Normalize trip distance = 300 km after trip type and repeat count.
2. Normalize fuel economy = 15 km/L.
3. Fuel = 300 ÷ 15 = 20 L.
4. Normalize price = 1.5 per liter; add 0 fixed extras.

Actual fuel consumption varies with traffic, terrain, speed, weather, load and vehicle condition. MPG mode uses US gallons.

Shared links reopen these inputs; saved calculations stay in this browser unless you clear site data.