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MPG to L/100 km Converter

What is 30 MPG in L/100 km?

Enter a fuel economy value and see it in every common unit.

One Click Answers · MPG to L/100 km Converter
oneclickanswers.com/mpg-to-l-per-100km-converter · Printed
About this tool & how to use it

What it does

Converts fuel economy between US MPG, imperial MPG, litres per 100 km and kilometres per litre.

How to use it

  1. Enter the value and choose its unit.
  2. Read the same fuel economy in the other three units.

One click answer

Your answer will appear here.

Fill in the form and your answer appears here as you type.

Assumptions

  • L/100 km runs the other way: a LOWER number means better economy.
  • The conversion is exact. It does not say what economy a vehicle really achieves.

Printed from oneclickanswers.com. Results are estimates based on what was entered; see the assumptions above.

How it works

L/100 km = 235.2146 / MPG (US): 30 MPG is 7.84 L/100 km. The number is exact because 1 US gallon is 3.785411784 litres and 1 mile is 1.609344 km.

An imperial gallon is 4.54609 litres, so imperial MPG is higher than US MPG for the same car: 30 US MPG is 36.03 imperial MPG.

Assumptions

  • L/100 km runs the other way: a LOWER number means better economy.
  • The conversion is exact. It does not say what economy a vehicle really achieves.

Example

Input: The starting values already in the form

Result: 30.00 MPG (US) is 7.84 L/100 km.

Questions

What is 30 MPG in L/100 km?

About 7.84 litres per 100 km (US gallons).

Why is UK MPG a bigger number?

An imperial gallon is bigger than a US gallon, so the same car covers more miles per imperial gallon.

Last reviewed 2026-10-04.

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