MPG (US) to L/100 km Converter
1 mile per US gallon = 235.2146 liters per 100 km
Type a value in either box: the conversion between miles per US gallon (mpg) and liters per 100 km (L/100 km) updates instantly.
L/100 km to MPG (US) Converter
Good to know
A US car rated at 30 mpg uses about 7.8 L/100 km. Halving consumption in L/100 km doubles the mpg figure.
How to convert miles per US gallon to liters per 100 km
Fuel economy units are reciprocals: one measures distance per fuel, the other fuel per distance. So instead of multiplying, divide a constant by the value:
L/100 km = 235.215 ÷ mpg
Worked examples
- 20 mpg = 11.76073 L/100 km
- 30 mpg = 7.840486 L/100 km
- 40 mpg = 5.880365 L/100 km
- 55 mpg = 4.276629 L/100 km
MPG (US) to L/100 km conversion table
| MPG (US) (mpg) | L/100 km (L/100 km) |
|---|---|
| 10 mpg | 23.52146 L/100 km |
| 12 mpg | 19.60122 L/100 km |
| 15 mpg | 15.68097 L/100 km |
| 18 mpg | 13.06748 L/100 km |
| 20 mpg | 11.76073 L/100 km |
| 22 mpg | 10.69157 L/100 km |
| 25 mpg | 9.408583 L/100 km |
| 28 mpg | 8.400521 L/100 km |
| 30 mpg | 7.840486 L/100 km |
| 32 mpg | 7.350456 L/100 km |
| 35 mpg | 6.720417 L/100 km |
| 40 mpg | 5.880365 L/100 km |
| 45 mpg | 5.226991 L/100 km |
| 50 mpg | 4.704292 L/100 km |
| 55 mpg | 4.276629 L/100 km |
| 60 mpg | 3.920243 L/100 km |
About the units
MPG (US) (mpg)
Miles per gallon (mpg) is the fuel economy unit used in the United States, based on the US gallon of 3.785 liters. Higher numbers mean a more efficient car.
L/100 km (L/100 km)
Liters per 100 kilometers (L/100 km) is how fuel consumption is stated in Europe, Australia, China and most of the world. Lower numbers mean a more efficient car.
Frequently asked questions
How do I convert miles per US gallon to liters per 100 km?
L/100 km = 235.215 ÷ mpgWhat is 30 mpg in liters per 100 km?
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.