EVERYDAY
Fuel economy
Reciprocal fuel economy and consumption measures.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Resultmpg US → mpg ImpConvert miles per U.S. gallon to miles per Imperial gallon
EVERYDAY · ENGINEERING · SCIENCE
Unit conversion. Made clear.
Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.
520units ready to convert
HOW IT IS CALCULATED
Convert through litres per 100 kilometres
Enter a miles per U.S. gallon value to calculate miles per Imperial gallon with full internal precision before display rounding.
Display precisionAuto · 12 significant digits
Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| litres per 100 kilometresfrom mpg US | L/100 km | Interactive |
| kilometres per litrefrom mpg US | km/L | Interactive |
| miles per U.S. gallonfrom mpg US | mpg US | Interactive |
| miles per Imperial gallonfrom mpg US | mpg Imp | Interactive |
| miles per litrefrom mpg US | mi/L | Interactive |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.