How to use this fuel economy converter
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
Formula and method
Example
30 mpg (U.S.) is about 7.84 L/100 km.
What this calculator is useful for
Convert vehicle fuel economy between miles per gallon (U.S.) and liters per 100 kilometers. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Fuel Economy Converter calculate?
Convert vehicle fuel economy between miles per gallon (U.S.) and liters per 100 kilometers.
How does the calculation work?
L/100 km = 235.214583 ÷ MPG (US), and MPG (US) = 235.214583 ÷ L/100 km.
Is this calculator free?
Yes. ERICH Calculators is free to use and no account is required.