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

Gallons per 100 Miles (UK) (gal/100mi (UK)) to Gallons per 100 Kilometers (US) (gal/100km (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 Kilometers (US) is used for comparing fuel efficiency in US gallons over metric distances, For example: a fuel-efficient hybrid (2.1 gal/100km = 8 L/100km), a typical SUV (3.2 gal/100km = 12 L/100km), or a performance car (4.8 gal/100km = 18 L/100km). Commonly seen in import vehicle reviews, and EPA fuel economy labels showing both mpg and L/100km equivalents. Convert by dividing L/100km by 3.785.

Conversion Formula

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

1 Gallons per 100 Miles (UK) (gal/100mi (UK)) = 0.7462356870282892 Gallons per 100 Kilometers (US) (gal/100km (US))

1 Gallons per 100 Kilometers (US) (gal/100km (US)) = 1.3400592029875553 Gallons per 100 Miles (UK) (gal/100mi (UK))

Example Conversions