MPG to L/100km
Convert Miles per Gallon (US) to Liters per 100 km instantly. Free, fast, and accurate.
What This Conversion Does
Converts US miles per gallon to liters per 100 kilometers. Because MPG measures distance per fuel (higher is better) while L/100km measures fuel per distance (lower is better), the conversion is an inverse: it divides the constant 235.215 by the MPG value.
How to Use This Converter
Type a value in Miles per Gallon (US) into the input field. The result in Liters per 100 km appears instantly. Click the result to copy it.
Worked Example
30 MPG: 235.215 ÷ 30 ≈ 7.84 L/100km.
Quick Reference Table
| Miles per Gallon (US) | Liters per 100 km |
|---|---|
| 20 | 11.76 |
| 30 | 7.84 |
| 40 | 5.88 |
| 50 | 4.70 |
| 60 | 3.92 |
Common Uses
Comparing US and European vehicle fuel economy, and translating rental-car specs abroad.
Precision & Rounding
The constant 235.215 comes from 100 × (3.78541 / 1.60934). For imperial gallons use 282.481 instead.
Common Mistakes to Avoid
The biggest mistake is treating this as a multiplication. A higher MPG gives a lower L/100km, so the relationship is inverse — you must divide.
Related Glossary Terms
Formula
Example Conversions
| Miles per Gallon (US) | Liters per 100 km |
|---|---|
| 20 | 11.761 |
| 30 | 7.84 |
| 40 | 5.88 |
| 50 | 4.704 |
| 60 | 3.92 |