Convert Gallons of Beer to Forties

Enter the beer volume in gallons below to convert it to forties.

Result in Forties:

1 gal = 3.2 forties
Learn how we calculate this below

Do you want to convert forties to gallons?

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How to Convert Gallons to Forties

To convert a measurement in gallons to a measurement in forties, multiply the beer volume by the following conversion ratio: 3.2 forties/gallon.

Since one gallon is equal to 3.2 forties, you can use this simple formula to convert:

forties = gallons × 3.2

The beer volume in forties is equal to the beer volume in gallons multiplied by 3.2.

For example, here's how to convert 5 gallons to forties using the formula above.

forties = (5 gal × 3.2) = 16 forties

How Many Forties Are in a Gallon?

There are 3.2 forties in a gallon, which is why we use this value in the formula above.

1 gal = 3.2 forties

Gallons and forties are both units used to measure beer volume. Keep reading to learn more about each unit of measure.

What Is a Gallon?

The US gallon is a standard size equivalent to 128 fl. oz. of beer.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.

Learn more about gallons.

What Is a Forty?

The forty is a US standard size bottle containing a 40 fl. oz. of beer. This size bottle is commonly associated with lower quality beer, but that is not always the case.

The forty is a US customary unit of beer volume.

Learn more about forties.

Gallon to Forty Conversion Table

Table showing various gallon measurements converted to forties.
Gallons Forties
1 gal 3.2
2 gal 6.4
3 gal 9.6
4 gal 12.8
5 gal 16
6 gal 19.2
7 gal 22.4
8 gal 25.6
9 gal 28.8
10 gal 32
11 gal 35.2
12 gal 38.4
13 gal 41.6
14 gal 44.8
15 gal 48
16 gal 51.2
17 gal 54.4
18 gal 57.6
19 gal 60.8
20 gal 64
21 gal 67.2
22 gal 70.4
23 gal 73.6
24 gal 76.8
25 gal 80
26 gal 83.2
27 gal 86.4
28 gal 89.6
29 gal 92.8
30 gal 96
31 gal 99.2
32 gal 102.4
33 gal 105.6
34 gal 108.8
35 gal 112
36 gal 115.2
37 gal 118.4
38 gal 121.6
39 gal 124.8
40 gal 128

More Gallon & Forty Conversions

Convert from Gallons

Convert to Forties