Fuel Cost Calculator

Calculate the total fuel cost for any road trip or daily commute. Enter distance, your vehicle's fuel efficiency, and the current gas price to get cost per trip, monthly, and yearly. Also estimates CO2 emissions.

Gas Cost Calculator

Fuel Cost Formula

Gallons Used = distance (miles) / MPG Fuel Cost = gallons × gas price per gallon CO2 Emissions = gallons × 19.64 lbs/gallon (gasoline) 1 liter per 100 km = 235.2 MPG (conversion)

Average MPG by Vehicle Type

Vehicle TypeTypical MPG
Compact sedan30–38 MPG
Midsize sedan25–32 MPG
SUV (midsize)22–28 MPG
Pickup truck17–22 MPG
Hybrid (Toyota Prius)50–56 MPG
Minivan20–25 MPG

Frequently Asked Questions

How do I calculate MPG from a fill-up?+
Fill your tank completely. Drive normally. When you fill up again, note the miles driven since last fill-up and gallons added. MPG = miles driven ÷ gallons added. Repeat 2–3 times for a more accurate average.
What is the IRS mileage rate?+
The IRS standard mileage rate for 2024 is 67 cents per mile for business use. This rate covers fuel, maintenance, insurance, and depreciation. It's used to calculate tax deductions for business driving.

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