Fuel Economy (MPG) Calculator
Use the Fuel Economy to work through fuel Economy from the values you enter. Review the notes below the result so you understand what the figure represents.
Fuel economy
—
Metric—
✉ Email me this result
</> Embed this calculator
Paste this into any website or blog post. It is free — the small "powered by" link must stay visible.
How it works
MPG = miles ÷ gallonsHow to use the Fuel Economy
Enter the requested values and start with one realistic example. Read the result together with its unit or label, then change one input at a time if you want to compare options.
Review the assumptions on the page and confirm any result that affects money, safety, technical work or another important decision.
Frequently Asked Questions
What does the Fuel Economy (MPG) Calculator do?
Work out miles per gallon and the equivalent liters per 100 km.
What information should I enter?
Use the input labels as a guide and enter figures from the same situation, time period and units wherever possible.
Can I use the result as an exact answer?
Treat it as an estimate or check unless the page and the rules that apply to you confirm otherwise. Rounding, fees and personal details can change the final result.