What does the Gas Mileage Calculator work out?

Fuel economy from miles and gallons. It is one of the Everyday & Tech tools on Mondo Knows.

How is the Gas Mileage Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Gas Mileage Calculator

Fuel economy from miles and gallons. Use the free gas mileage calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Miles driven

Gallons used

gal

Fuel price

$/gal

Mondo says

Fuel economy

27.83 mpg

Litres per 100 km8.45

Cost per mile$0.126

Gas Mileage Calculator: common questions

What does the Gas Mileage Calculator work out?: Fuel economy from miles and gallons. It is one of the Everyday & Tech tools on Mondo Knows.
How is the Gas Mileage Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.