How do I calculate gas cost for a road trip?

Divide your total trip distance by your vehicle's MPG to get gallons needed, then multiply by the current gas price per gallon. For example: 500 miles / 28 MPG = 17.86 gallons x $3.50 = $62.50 in fuel.

What is the average fuel cost per mile?

At 28 MPG and $3.50/gallon gas, fuel costs about $0.125 per mile. This varies based on your vehicle's fuel efficiency and local gas prices.

How much will this road trip cost in gas?

Plug in the distance and your car's MPG. We'll do the math.

Trip Details

Trip Distance (miles) — one way

Round trip (doubles the distance)

Vehicle MPG

Gas Price ($/gal)

Passengers

Stops Along the Way (optional)

Rental Daily Rate ($) (optional)

If using a rental car, enter daily rate to see total trip cost

Rental Days

total fuel cost

E F

MileageItRight

Check your rental mileage limit

FillItRight

Find the cheapest gas near your rental return

Save on Gas

Skip Highway Gas Stations

Gas is usually cheaper away from highways and airports. Exit a mile into town to save.

Use GasBuddy

Apps like GasBuddy can save you $0.10-0.30 per gallon by finding the cheapest station nearby.

Slow Down, Save Fuel

Cruise control at 65 mph vs 80 mph can save 15-20% on fuel. Your wallet and nerves will thank you.