Convert US miles per gallon to Imperial mpg, or L/100 km, etc...

Enter or change a value and press "convert" to calculate energy consumption units in various formats. See below for formulas used.

Conversions used:

• 1 litre = 0.264172052 US gallons
• 1 litre = 0.219969157 Imperial gallons
• 1 US gallon = 3.78541178 litres
• 1 Imperial gallon = 4.54609188 litres
• 1 kilometer = 0.621371192 miles
• 1 mile = 1.609344 kilometers

For calculations involving gasoline/electricity energy equivalency, the following conversions are used:

• 1 US gallon = 114,500 BTU (conventional summer gasoline)
• 1 kWh = 3412 BTU
• 1 gallon (US) = 33.56 kWh
• 1 litre = 8.87 kWh