Driving Range Calculator

Method

How this driving range calculator works

Usable fuel after the reserve is tank gallons × (1 − reserve percentage). Range equals usable gallons × MPG.

How to use it

Usable fuel in tank. Enter the value in gal.
Expected fuel economy. Enter the value in MPG.
Reserve to keep. Enter the value in %.
Request the result. Select “Show my result.” No account or email is required.

What to do with the number

Dashboard range estimates may adapt to recent driving and can differ from this fixed-MPG estimate. Keep a larger reserve in remote areas, winter weather or towing conditions.

Planning estimate

Use this result as a starting point, not a guarantee. Product specifications, site conditions, manufacturer guidance, local codes, taxes, labor, tolerances, and rounding can change the real requirement or cost.

FAQ

Questions about this calculator

What does the Driving Range Calculator calculate?

Estimate gasoline driving range from tank size and expected MPG.

What inputs does this driving range calculator use?

The calculator uses usable fuel in tank, expected fuel economy, reserve to keep. You can replace every default with the numbers that match your situation.

How should I use the Driving Range Calculator result?

Dashboard range estimates may adapt to recent driving and can differ from this fixed-MPG estimate.

What can make the real-world result different?

Keep a larger reserve in remote areas, winter weather or towing conditions.

Can I change the calculator assumptions?

Yes. The editable inputs are the assumptions. Replace the default values with your own measurements, prices, rates, quantities, or specifications before requesting the result.

Keep planning

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Next useful step

Enter your numbers