17 Free Calculators

Free Gas & Fuel Cost Calculators

Estimate fuel costs for road trips, daily commutes, and cross-country drives. Calculate MPG, compare gas vs. electric costs, and find out exactly how much you will spend on fuel.

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Real Trip Estimates

Get accurate fuel cost estimates for any drive based on distance, MPG, and current gas prices.

MPG Comparisons

Compare fuel efficiency across vehicles to see how much you would save with a different car.

Monthly Budget Planning

Calculate your weekly and monthly commute fuel costs so there are no surprises at the pump.

How Our Fuel Calculators Help You Budget for Any Drive

Gas prices fluctuate constantly, but your budget should not be a guessing game. Whether you are planning a weekend road trip or trying to figure out your monthly commute costs, our fuel calculators give you a clear picture before you hit the road.

Our most popular tool, the gas cost calculator, estimates your total fuel expense based on trip distance, your vehicle's MPG, and current gas prices. Planning a longer drive? The trip calculator combines distance, fuel costs, and optional hotel or food estimates for a full trip budget.

For daily commuters, knowing your monthly commute cost helps with budgeting and can even factor into decisions about where to live or whether to switch to a more fuel-efficient vehicle. The U.S. Energy Information Administration tracks weekly gas prices by region if you want the most current data for your area.

Thinking about going electric? Our fuel vs. electric comparison tools help you weigh the real cost difference between gas and EV charging. With the average American driving about 13,500 miles per year according to the Federal Highway Administration, even small MPG improvements or fuel cost savings add up to hundreds of dollars annually.

Common Questions

Fuel & MPG FAQ

Answers to the most common questions about our fuel & mpg calculators.

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