Convert Gallons to Forties

How many forties are in a gallon? Easy gal to 40 oz conversion.
1 Gallon =
3.2 Forties
(exact result)
A U.S. gallon is a unit of volume equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.
A forty is a large bottle of cheap beer (sometimes called malt liquor), that is 40 U.S. fluid ounces in size.
Gallons to Forties Conversion Table
(some results rounded)
gal 40 oz
1 3.2
2 6.4
3 9.6
4 12.8
gal 40 oz
5 16
6 19.2
7 22.4
8 25.6
gal 40 oz
9 28.8
10 32
20 64
30 96
gal 40 oz
40 128
50 160
100 320
200 640