Gallons per 100 Miles (UK) to Gallons per 100 Miles (US) Converter

Gallons per 100 Miles (UK) (gal/100mi (UK)) to Gallons per 100 Miles (US) (gal/100mi (US)) Conversion

Gallons per 100 miles (UK) was commonly used in Britain before metrication and is still referenced for classic cars. For example, a 1960s Morris Minor might average 3 gal/100mi (≈8.5 L/100km), while a modern UK-spec diesel sedan could achieve 2.2 gal/100mi (≈6.2 L/100km). Gallons per 100 miles (US) is the standard fuel-efficiency measurement in the United States, similar to L/100km in metric countries. For example, a Toyota Camry hybrid averages about 2.5 gal/100mi (≈5.9 L/100km), a Ford F-150 pickup uses around 5 gal/100mi (≈11.8 L/100km), and a large SUV like a Chevrolet Suburban might consume 7 gal/100mi (≈16.5 L/100km). This unit is widely used in vehicle specifications, fuel economy labels for calculating fuel costs over long distances.

Conversion Formula

To convert between Gallons per 100 Miles (UK) (gal/100mi (UK)) and Gallons per 100 Miles (US) (gal/100mi (US)), use the following formulas:

1 Gallons per 100 Miles (UK) (gal/100mi (UK)) = 1.2009499255048552 Gallons per 100 Miles (US) (gal/100mi (US))

1 Gallons per 100 Miles (US) (gal/100mi (US)) = 0.8326741846289887 Gallons per 100 Miles (UK) (gal/100mi (UK))

Example Conversions