UK Gallons to US Gallons (Liquid) calculator

UK Gallons

A Shell petrol station selling 2* and 4* (leaded petrol) by the gallon in the UK c. 1980.

Source: Wikipedia

US Gallons (Liquid)

A one-US-gallon gas can showing "U.S. gallon" marking (for US use), imperial gallons (for Canadian use) and litres.

Source: Wikipedia

UK Gallons to US Gallons (Liquid) Conversion Table

Below you can generate and download as CSV, Excel, PDF or print the UK Gallons to US Gallons (Liquid) conversion table based on your needs.

Selected rounding: none (You can change it above in the dropdown)

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  UK Gallon (4.546090L)

  The gallon is a unit of measurement for fluid capacity in both the US customary units and the British imperial systems of measurement. Three significantly different sizes are in current use: the imperial gallon defined as 4.54609 litres (4 imperial quarts or 8 imperial pints), which is used in the United Kingdom, Canada, and some Caribbean nations; the US gallon defined as 231 cubic inches (4 US liquid quarts or 8 US liquid pints) or about 3.785 L, which is used in the US and some Latin American and Caribbean countries; and the least-used US dry gallon defined as 1/8 US bushel (4.405 L).
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  US Gallon (Liquid) (3.785412L)

  The US gallon is legally defined as 231 cubic inches, which is exactly 3.785411784 litres. A US liquid gallon of water weighs about 8.34 pounds or 3.78 kilograms at 62 °F (17 °C), making it about 16.6% lighter than the imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint, which makes the US fluid ounce equal to 1/128 of a US gallon. In order to overcome the effects of expansion and contraction with temperature when using a gallon to specify a quantity of material for purposes of trade, it is common to define the temperature at which the material will occupy the specified volume. For example, the volume of petroleum products and alcoholic beverages are both referenced to 60 °F (15.6 °C) in government regulations.