Converter

fuel economy · United Kingdom / Commonwealth · Modern

mile per Imperial gallon

mpg Impexact
Record
M481
Definition quality
Standardized
Conversion mode
formula
Calculator
Formula-based

Definition

Imperial mpg uses the exact Imperial gallon and international mile; 282.480936332.../mpg.

Reference value

L/100 km = 282.480936331822/mpg(Imp)

History & use

Must remain distinct from U.S. mpg.

Modern use

Current-use record in the project inventory; exact scope should follow the definition and regional/system context shown here.

Did you know?

Same numeric mpg implies different consumption in US vs Imperial systems.

Sources & evidence

Related measurements

fuel economy · United States · Modern

U.S. mpg and L/100 km are reciprocal; exact unit definitions give 235.214583333.../mpg.

fuel economy · International · Modern

km/L and L/100 km are exact reciprocals.