EVERYDAY
Fuel economy
Reciprocal fuel economy and consumption measures.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.425144 km/L1 mpg US = 0.425144 km/L
EVERYDAY · ENGINEERING · SCIENCE
mpg US to km/L Converter
Convert miles per U.S. gallon (mpg US) to kilometres per litre (km/L). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through litres per 100 kilometres
Enter a miles per U.S. gallon value to calculate kilometres per litre with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| litres per 100 kilometresfrom mpg US | L/100 km | 235.215 |
| kilometres per litrefrom mpg US | km/L | 0.425144 |
| miles per U.S. gallonfrom mpg US | mpg US | 1 |
| miles per Imperial gallonfrom mpg US | mpg Imp | 1.20095 |
| miles per litrefrom mpg US | mi/L | 0.264172 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
mpg US to km/L Conversion Reference
Miles Per U.S. Gallon (mpg US) and kilometres per litre (km/L) are units of fuel economy. Use this page to convert in either direction.
Conversion Examples
| Miles Per U.S. Gallon (mpg US) | Kilometres Per Litre (km/L) |
|---|---|
| 1 mpg US | 0.425144 km/L |
| 5 mpg US | 2.12572 km/L |
| 10 mpg US | 4.25144 km/L |
| 100 mpg US | 42.5144 km/L |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
km/L to mpg US (kilometres per litre to miles per U.S. gallon)