About the Fuel Cost Calculator
Enter trip distance, your vehicle's fuel efficiency and the fuel price to get total fuel needed and trip cost — with metric (L/100km) and imperial (MPG) modes and per-person splitting.
Plan road-trip budgets and settle shared fuel costs fairly.
How to use the Fuel Cost Calculator
- Choose units (MPG or L/100km).
- Enter distance, efficiency and fuel price.
- Read fuel needed, total cost, and per-person share.
Common uses
Road trip budgeting
Splitting fuel costs with passengers
Comparing commute costs
Frequently asked questions
How is cost calculated in MPG mode?
Gallons = distance ÷ MPG, cost = gallons × price per gallon.
And in L/100km mode?
Liters = distance × (L/100km) ÷ 100, cost = liters × price per liter.
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