Forties to Fluid Ounces Conversion

Enter the beer volume in forties below to get the value converted to fluid ounces.

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Results in Fluid Ounces:
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1 forty = 40 fl oz

How to Convert Forties to Fluid Ounces

To convert a forty measurement to a fluid ounce measurement, multiply the beer volume by the conversion ratio. One forty is equal to 40 fluid ounces, so use this simple formula to convert:

fluid ounces = forties × 40

The beer volume in fluid ounces is equal to the forties multiplied by 40.

For example, here's how to convert 5 forties to fluid ounces using the formula above.
5 forties = (5 × 40) = 200 fl oz

Forties and fluid ounces are both units used to measure beer volume. Keep reading to learn more about each unit of measure.

Forties

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.

Fluid Ounces

In the US, beer is often measured by the fluid ounce, which is the basis for other units of beer volume measure. The standard US bottle of beer contains 12 fluid ounces.

The fluid ounce is a US customary unit of beer volume. Fluid ounces can be abbreviated as fl oz, for example 1 fluid ounce can be written as 1 fl oz.

Forty to Fluid Ounce Conversion Table

Forty measurements converted to fluid ounces
Forties Fluid Ounces
1 40 fl oz
2 80 fl oz
3 120 fl oz
4 160 fl oz
5 200 fl oz
6 240 fl oz
7 280 fl oz
8 320 fl oz
9 360 fl oz
10 400 fl oz
11 440 fl oz
12 480 fl oz
13 520 fl oz
14 560 fl oz
15 600 fl oz
16 640 fl oz
17 680 fl oz
18 720 fl oz
19 760 fl oz
20 800 fl oz
21 840 fl oz
22 880 fl oz
23 920 fl oz
24 960 fl oz
25 1,000 fl oz
26 1,040 fl oz
27 1,080 fl oz
28 1,120 fl oz
29 1,160 fl oz
30 1,200 fl oz
31 1,240 fl oz
32 1,280 fl oz
33 1,320 fl oz
34 1,360 fl oz
35 1,400 fl oz
36 1,440 fl oz
37 1,480 fl oz
38 1,520 fl oz
39 1,560 fl oz
40 1,600 fl oz