Fuel economy · US and metric units
MPG to L/100km Converter
Convert between US miles per gallon, UK miles per gallon, liters per 100 kilometers and kilometers per liter.
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Equivalent fuel economy
US miles per gallon—
UK miles per gallon—
Liters per 100 km—
Kilometers per liter—
Higher MPG and km/L mean better efficiency. Lower L/100km means better efficiency.
MPG to L/100km formula
US and Imperial gallons are different sizes, so their MPG values are not interchangeable.
- US MPG to L/100km:
235.214583 ÷ US MPG - UK MPG to L/100km:
282.480936 ÷ UK MPG - km/L to L/100km:
100 ÷ km/L
Common US MPG conversions
| US MPG | L/100km |
|---|---|
| 20 MPG | 11.76 |
| 30 MPG | 7.84 |
| 40 MPG | 5.88 |
| 50 MPG | 4.70 |
| 60 MPG | 3.92 |
Real-world fuel economy varies with vehicle condition, speed, traffic, weather, load and measurement method.