Fuel Cost Calculator

Calculate fuel costs for trips and commutes. Enter distance, fuel efficiency, and gas price to estimate costs.

Distance (miles)

Fuel Efficiency (mpg)

Gas Price ($/gallon)

Round trip (double the distance)

How to Use the Fuel Cost Calculator

Enter the distance you plan to travel in miles, your vehicle's fuel efficiency in miles per gallon (mpg), and the current gas price per gallon. Check the round trip box if you need to account for the return journey. The calculator shows the total gallons of fuel needed and the estimated cost for your trip.

Planning Your Travel Budget

Fuel costs can be one of the largest expenses for road trips and daily commutes. Knowing your estimated fuel costs in advance helps you budget effectively, compare driving versus flying, or evaluate whether a more fuel-efficient vehicle would save you money over time. Use current local gas prices for the most accurate estimate.

Frequently Asked Questions

How do I calculate fuel cost for a trip?

Divide the total distance by your vehicle's fuel efficiency (miles per gallon) to find gallons needed, then multiply by the current gas price per gallon. For example, a 300-mile trip at 25 mpg with $3.50/gallon gas would cost 12 gallons x $3.50 = $42.00.

What is the average fuel efficiency for cars?

The average fuel economy for new vehicles in the US is approximately 25-27 mpg. Compact cars typically get 30-40 mpg, SUVs get 20-30 mpg, and trucks average 15-25 mpg. Hybrid vehicles can achieve 40-60 mpg, and plug-in hybrids even more.

Should I calculate round trip fuel costs?

Yes, if you plan to return to your starting point, enable the round trip option to double the distance and get an accurate total cost. This is especially useful for road trips, daily commutes, and travel planning.

How can I improve my fuel efficiency?

Maintain proper tire pressure, avoid rapid acceleration and hard braking, use cruise control on highways, remove excess weight from your vehicle, keep up with regular maintenance, and avoid excessive idling. These habits can improve fuel economy by 10-30%.