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Calculator information

Your distance, fuel type, trip type, and local fuel price are calculated in your browser. This site does not create an account or send those entries to us or store them on a server.

Gas-price data

The calculator requests the latest weekly U.S. average for your selected fuel from the U.S. Energy Information Administration. A recent result may be saved on your device to reduce repeat requests.

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Changes

This notice may be updated if the site changes. Last updated August 28, 2026.