What does this tool calculate?
Convert US miles per gallon to liters per 100 kilometers and back.
MPG to L/100km Converter
Convert US miles per gallon to liters per 100 kilometers and back.
Enter conversion details
Complete the fields below, then select Calculate.
About this converter
How to use MPG to L/100km Converter, plus the formulas and logic behind the results.
Tool description
Convert US miles per gallon to liters per 100 kilometers and back. It provides an immediate educational result using the definitions shown below.
How to use
- Enter the value or text you want to convert.
- Choose the applicable units, direction, or mode.
- Select Calculate to produce the result.
- Review the formula and note before using the result.
Formulas & reference
L/100km = 235.214583 ÷ US MPGUS MPG = 235.214583 ÷ L/100km
Calculation logic
The reciprocal fuel-economy relationship uses the US gallon definition.
Input must be greater than zero. Imperial MPG uses a different constant.
MPG to L/100km Converter FAQ
Common questions about this conversion and how to interpret the result.
How do I use this calculator?
Complete the input fields, choose the required options, and select Calculate.
Which formula is used?
L/100km = 235.214583 ÷ US MPG
Are results rounded?
Calculations use full floating-point precision; displayed values are formatted for readability.
Can I enter decimal values?
Yes. Numeric fields accept decimal values unless a field specifically represents text.
Is the result authoritative?
No. It is an educational estimate; verify critical engineering, billing, health, or safety work independently.