⛽ MPG (US) to L/100km Converter
Free online tool to convert MPG (US) (mpg) to L/100km (L/100km). Enter a value and get instant, accurate results.
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MPG (US) to L/100km Conversion Table
| MPG (US) (mpg) | L/100km (L/100km) |
|---|---|
| 10 mpg | 23.521426 L/100km |
| 15 mpg | 15.680951 L/100km |
| 20 mpg | 11.760713 L/100km |
| 30 mpg | 7.8404754 L/100km |
| 40 mpg | 5.8803566 L/100km |
| 50 mpg | 4.7042853 L/100km |
Conversion Formula
MPG (US) ↔ L/100km: MPG = 235.215 ÷ L/100km (reciprocal — not linear) MPG (UK) ↔ MPG (US): US MPG = UK MPG × 0.8327 (imperial gallon is 20% larger) km/L ↔ MPG (US): MPG = km/L × 2.3521
About MPG (US) to L/100km Conversions
Fuel economy ratings use different units worldwide. Converting MPG (US) to L/100km lets you compare cars across US, European, and Asian market specs on an equal footing.
This conversion uses a non-linear (reciprocal) relationship, so a simple multiplication factor does not apply. The formula section below explains the method, and the reference table shows common converted values.
For reference: this page provides a mpg-to-L/100km conversion table covering common values, the exact mathematical formula, and frequently asked questions.
Frequently Asked Questions
How do I convert MPG (US) to L/100km?
This conversion is non-linear. Use the calculator above for accurate results, or refer to the formula section on this page.
How many L/100km are in 1 MPG (US)?
The relationship between MPG (US) and L/100km is non-linear. Use the calculator above or the reference table on this page for specific values.
Is MPG (US) larger or smaller than L/100km?
The size relationship between MPG (US) and L/100km depends on the input value because this conversion is non-linear (reciprocal).
When would I use L/100km instead of MPG (US)?
L/100km is the standard in Europe and most metric countries. Match the unit to the market where the vehicle is sold or the data source you are reading.
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All conversion results are provided for general informational purposes only. Our formulas use internationally recognized conversion factors; however, rounding may affect precision. Do not rely on these results for professional, medical, legal, or engineering decisions without independent verification. Read our full disclaimer.