What this tool does
Convert miles per US gallon (mpg US) to liters per 100 kilometers, or back the other way. Type an amount in miles per US gallon (mpg US), choose the units, and the tool converts it to liters per 100 kilometers. It converts between these two fuel economy units, in either direction.
Inputs
- Value: A number.
- From: Choose one: Mile per US gallon (mpg US), Liter per 100 kilometers. Starts as Mile per US gallon (mpg US).
- To: Choose one of the same 2 units as "From". Starts as Liter per 100 kilometers.
How to use
- Enter the amount you want to convert.
- Choose the unit to convert from and the unit to convert to.
- Read the result: the converted amount. It appears once every required field has a valid value.
Worked examples
Conversions from miles per US gallon (mpg US) to liters per 100 kilometers:
- 1 mpg (US) ≈ 235.214583 L/100 km
- 5 mpg (US) ≈ 47.042917 L/100 km
- 10 mpg (US) ≈ 23.521458 L/100 km
- 50 mpg (US) ≈ 4.704292 L/100 km
- 100 mpg (US) ≈ 2.352146 L/100 km
Divide about 235.214583 by the number of miles per US gallon (mpg US) to get liters per 100 kilometers. The factor follows from exact definitions. It has more digits than fit here, so it is shown rounded.
Sources: Mile per US gallon (mpg US): exact by definition. Liter per 100 kilometers: exact by definition.
Limitations
- Converts the unit of a fuel economy figure only. It does not work out fuel cost, trip fuel or a car's real-world economy.
- Miles per gallon here means the US gallon of 3.785411784 liters. Miles per imperial (UK) gallon is not on this page.
FAQs
- Q: How do I convert mpg to L/100 km?
- A: Divide 235.215 by the mpg (US) figure. 30 mpg (US) is about 7.84 L/100 km.
- Q: Is this the US or the UK gallon?
- A: The US gallon, about 3.785 liters. Miles per imperial (UK) gallon is a different unit and gives a different answer.
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