Math & Conversion
Fuel Cost Calculator
Estimate the fuel cost of a trip using distance and either MPG or liters per 100 km.
Estimated fuel cost
$42.00
Fuel = distance ÷ MPG × price/gallon
- Fuel needed
- 12 gallons
CalculateWise provides estimates for informational purposes only and is not financial, tax, legal, lending or investment advice.
How to use the Fuel Cost Calculator
- Choose your efficiency unit.
- Enter trip distance and vehicle efficiency.
- Enter local fuel price.
How it works
Fuel needed is derived from distance and efficiency, then multiplied by price per gallon or liter.
Formula
Fuel = distance ÷ MPG × price/gallon (or distance ÷ 100 × L/100km × price/L)
Example
A 300-mile trip in a 25 MPG car with $3.50/gallon fuel costs about $42.
Common uses
- Road trip budgets
- Vehicle comparison
- Delivery cost estimates