buncha/finance/fuel-cost

Fuel Cost Calculator

Plug in your trip distance, vehicle efficiency and gas price — see what the drive actually costs. Toggle units freely (mpg ↔ L/100km, miles ↔ km, $/gal ↔ $/L) without retyping. Pin a calc, change something, and watch the side-by-side savings update.

This trip costs

$75.00in fuel

Fuel needed

21.4 gal

Cost per mile

$0.13

Fill-ups (12-gal tank)

1.8×

Start from a vehicle archetype

Trip distance

Vehicle efficiency

Fuel price

Compare scenarios

Pin a calculation, change a number above, and see the difference here. Up to three at a time.

Calculation is straight distance ÷ efficiency × price. Real-world MPG varies with terrain, speed, weather, and AC use — this number is a planning baseline, not a guarantee.

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About Fuel Cost Calculator

Work out the total fuel cost of any drive — trip distance × efficiency × price. Vehicle archetype tiles (compact, sedan, SUV, pickup, hybrid) for one-tap MPG, free unit toggling between mpg / L100km / miles / km / $/gal / $/L, and pin-and-compare so you can see "what if I drove the hybrid instead".

Everything happens on your device. Close the tab and it's gone.