Imperial Fluid Ounces to US Gallons Converter (imp fl oz to US gal)

How to convert imperial fluid ounces to US gallons

US gallons = imperial fluid ounces ÷ 133.22787

To convert imperial fluid ounces to US gallons, divide the number of imperial fluid ounces by 133.22787.

1 imp fl oz = 0.00750593703 US gal

This is the imperial (UK) fluid ounce of 28.4130625 mL, about 4% smaller than the US fluid ounce of 29.5735295625 mL.

This is the US liquid gallon of 3.785411784 L. The imperial gallon used in the UK is 4.54609 L, about 20% larger.

Imperial fluid ounces to US gallons conversion table
Imperial fluid ounces (imp fl oz)	US gallons (US gal)
0.5 imp fl oz	0.00375296852 US gal
1 imp fl oz	0.00750593703 US gal
2 imp fl oz	0.0150118741 US gal
3 imp fl oz	0.0225178111 US gal
4 imp fl oz	0.0300237481 US gal
5 imp fl oz	0.0375296852 US gal
6 imp fl oz	0.0450356222 US gal
8 imp fl oz	0.0600474963 US gal
10 imp fl oz	0.0750593703 US gal
12 imp fl oz	0.0900712444 US gal
16 imp fl oz	0.120094993 US gal
20 imp fl oz	0.150118741 US gal
24 imp fl oz	0.180142489 US gal
32 imp fl oz	0.240189985 US gal
40 imp fl oz	0.300237481 US gal
64 imp fl oz	0.48037997 US gal
128 imp fl oz	0.96075994 US gal

Imperial fluid ounce (imp fl oz): The imperial fluid ounce is 1/160 of an imperial gallon, or 1/20 of an imperial pint, exactly 28.4130625 milliliters. It appears in older British recipes and on some UK packaging.
US gallon (US gal): The US liquid gallon is defined as exactly 231 cubic inches, which is 3.785411784 liters. It is used in the United States for fuel, milk and other liquids.