Beer Barrels To Gallons Conversion - Inch Calculator

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• Beer Barrels to Gallons Converter
• How to Convert Beer Barrels to Gallons
• How Many Gallons Are in a Beer Barrel?
• What Is a Beer Barrel?
• What Is a Gallon?
• Beer Barrel to Gallon Conversion Table

Person Icon By Joe Sexton

Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.

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Sexton, J. (n.d.). Beer Barrels to Gallons Converter. Inch Calculator. Retrieved December 29, 2025, from https://www.inchcalculator.com/convert/beer-barrel-to-gallon-beer/

How to Convert Beer Barrels to Gallons

To convert a measurement in beer barrels to a measurement in gallons, multiply the beer volume by the following conversion ratio: 31 gallons/beer barrel.

Since one beer barrel is equal to 31 gallons, you can use this simple formula to convert:

gallons = beer barrels × 31

The beer volume in gallons is equal to the beer volume in beer barrels multiplied by 31.

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

gallons = (5 bbl × 31) = 155 gal

How Many Gallons Are in a Beer Barrel?

There are 31 gallons in a beer barrel, which is why we use this value in the formula above.

1 bbl = 31 gal

Beer barrels and gallons are both units used to measure beer volume. Keep reading to learn more about each unit of measure.

What Is a Beer Barrel?

The beer barrel is a standard unit of volume for importing beer in the US, equal to 3,968 fluid ounces. Kegs in the US are often sized in portions of the beer barrel such as the half-barrel keg or quarter-barrel keg.

The beer barrel is a US customary unit of beer volume. Beer barrels can be abbreviated as bbl; for example, 1 beer barrel can be written as 1 bbl.

Learn more about beer barrels.

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.

Beer Barrel to Gallon Conversion Table

Table showing various beer barrel measurements converted to gallons.

Beer Barrels	Gallons
1 bbl	31 gal
2 bbl	62 gal
3 bbl	93 gal
4 bbl	124 gal
5 bbl	155 gal
6 bbl	186 gal
7 bbl	217 gal
8 bbl	248 gal
9 bbl	279 gal
10 bbl	310 gal
11 bbl	341 gal
12 bbl	372 gal
13 bbl	403 gal
14 bbl	434 gal
15 bbl	465 gal
16 bbl	496 gal
17 bbl	527 gal
18 bbl	558 gal
19 bbl	589 gal
20 bbl	620 gal
21 bbl	651 gal
22 bbl	682 gal
23 bbl	713 gal
24 bbl	744 gal
25 bbl	775 gal
26 bbl	806 gal
27 bbl	837 gal
28 bbl	868 gal
29 bbl	899 gal
30 bbl	930 gal
31 bbl	961 gal
32 bbl	992 gal
33 bbl	1,023 gal
34 bbl	1,054 gal
35 bbl	1,085 gal
36 bbl	1,116 gal
37 bbl	1,147 gal
38 bbl	1,178 gal
39 bbl	1,209 gal
40 bbl	1,240 gal

More Beer Barrel & Gallon Conversions

Measuring Cup IconConvert from Beer Barrels

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• beer barrels to half barrel kegsChevron Right Icon
• beer barrels to quarter barrel kegsChevron Right Icon
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Measuring Cup IconConvert to Gallons

• beers to gallonsChevron Right Icon
• bombers to gallonsChevron Right Icon
• cases to gallonsChevron Right Icon
• forties to gallonsChevron Right Icon
• growlers to gallonsChevron Right Icon
• half barrel kegs to gallonsChevron Right Icon
• quarter barrel kegs to gallonsChevron Right Icon
• liters to gallonsChevron Right Icon
• fluid ounces to gallonsChevron Right Icon
• pints to gallonsChevron Right Icon
• quarts to gallonsChevron Right Icon
• six packs to gallonsChevron Right Icon