Imperial Gallon to US Gallon Converter
1 gal = 1.2009 gal
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FORMULA
1 gal = 1.2009 gal
CONVERSION TABLE
| Imperial Gallon (gal) | US Gallon (gal) |
|---|---|
| 1 gal | 1.2009 gal |
| 5 gal | 6.0047 gal |
| 10 gal | 12.0095 gal |
| 25 gal | 30.0237 gal |
| 50 gal | 60.0475 gal |
| 100 gal | 120.095 gal |
| 250 gal | 300.2375 gal |
| 500 gal | 600.475 gal |
| 1,000 gal | 1,200.95 gal |
COMMON VALUES
RELATED CONVERSIONS
About Imperial Gallon (gal)
The Imperial gallon is defined as 4.54609 liters, about 20% larger than its US counterpart. Used historically across the British Empire for fuel and liquid goods, the Imperial gallon is based on the volume of 10 pounds of water at 62 degrees F. Canada officially metricated but still references it colloquially.
About US Gallon (gal)
The US liquid gallon equals exactly 231 cubic inches (3.785 liters) and is the standard unit for fuel pricing, milk containers, and paint cans in the United States. American fuel economy is expressed in miles per gallon, and a standard US milk jug holds one gallon.
How to Convert Imperial Gallon to US Gallon
The conversion formula is: 1 gal = 1.2009 gal. To convert from Imperial Gallon (gal) to US Gallon (gal), use the formula above or the interactive converter at the top of this page.
Frequently Asked Questions
How many US Gallon in 1 Imperial Gallon?
1 Imperial Gallon (gal) equals 1.2009 US Gallon (gal).
How to convert Imperial Gallon to US Gallon?
Multiply the Imperial Gallon value by 1.2009 to get the equivalent in US Gallon. Formula: 1 gal = 1.2009 gal
What is the formula for Imperial Gallon to US Gallon conversion?
1 gal = 1.2009 gal
Glossary
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Cup (Measurement)
A cooking volume unit. The US cup equals 236.588 ml; the metric cup is 250 ml.
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Barrel (Oil)
A unit of volume for crude oil, equal to 42 US gallons (158.987 liters).
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Gallon
A volume unit with two definitions: the US gallon equals 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.
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Liter
A metric unit of volume equal to one cubic decimeter (1 dm³ = 1,000 cm³ = 1,000 mL), approximately 0.264 US gallons or 1.057 US liquid quarts.
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Fluid Ounce
A fluid ounce is a unit of liquid volume, with the US fluid ounce equal to 29.5735 mL and the imperial (UK) fluid ounce equal to 28.4131 mL.