Miles per Gallon to Kilometers per Liter Converter
Convert miles per gallon (US) (mpg) to kilometers per liter (km/L), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a fuel economy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 mpg = 0.42514370743 km/L
- 1 × 0.42514370743 = 0.42514370743 km/L
How to convert miles per gallon to kilometers per liter
1 mpg = 0.42514370743 km/L, so multiply by 0.42514370743 to go from miles per gallon (US) to kilometers per liter. Going the other way, 1 km/L = 2.35214583333 mpg.
km/L = mpg × 0.42514370743 mpg = km/L × 2.35214583333
Worked example:
1 mpg = 0.42514370743 km/L 5 × 0.42514370743 = 2.12571853715 km/L
Miles per Gallon to kilometers per liter table
| Miles per Gallon | Kilometers per Liter |
|---|---|
| 1 mpg | 0.42514370743 km/L |
| 2 mpg | 0.850287414861 km/L |
| 3 mpg | 1.27543112229 km/L |
| 4 mpg | 1.70057482972 km/L |
| 5 mpg | 2.12571853715 km/L |
| 6 mpg | 2.55086224458 km/L |
| 7 mpg | 2.97600595201 km/L |
| 8 mpg | 3.40114965944 km/L |
| 9 mpg | 3.82629336687 km/L |
| 10 mpg | 4.2514370743 km/L |
| 15 mpg | 6.37715561145 km/L |
| 20 mpg | 8.50287414861 km/L |
| 25 mpg | 10.6285926858 km/L |
| 30 mpg | 12.7543112229 km/L |
| 40 mpg | 17.0057482972 km/L |
| 50 mpg | 21.2571853715 km/L |
| 75 mpg | 31.8857780573 km/L |
| 100 mpg | 42.514370743 km/L |
| 250 mpg | 106.285926858 km/L |
| 500 mpg | 212.571853715 km/L |
| 1000 mpg | 425.14370743 km/L |
About the units
- Miles per Gallon (mpg)
- Miles per gallon (US), a US customary unit. Definition: NIST Handbook 44 (2024), Appendix C: General Tables of Units of Measurement.
- Kilometers per Liter (km/L)
- Kilometers per liter, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).