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How to use the Mpg Calculator
Enter the information shown beside each field. The result updates as you type, and you can save the current estimate to your materials list. If you have a vehicle saved in My Garage, use its specifications as a starting point and verify them against the vehicle documentation.
Important assumptions
Auto costs, rates, fuel economy, vehicle ratings, and manufacturer specifications vary. Treat the result as a comparison tool, not a guarantee. For safety-related decisions, confirm ratings on the vehicle label and owner’s manual.