Half Barrel Kegs to Gallons Converter

Convert beer volume from half barrel kegs to US gallons. A standard half barrel keg contains exactly 15.5 gallons of beer.

half barrel kegs
Result
0 gallons

Common Half Barrel Kegs to Gallons Conversions

Half Barrel Kegs Gallons
0.5 half barrel kegs7.75 gallons
1 half barrel keg15.5 gallons
2 half barrel kegs31 gallons
3 half barrel kegs46.5 gallons
4 half barrel kegs62 gallons
5 half barrel kegs77.5 gallons
10 half barrel kegs155 gallons
20 half barrel kegs310 gallons

How to Convert Half Barrel Kegs to Gallons

The half barrel keg is standardized in the US brewing industry to contain exactly 15.5 gallons of beer. This makes the conversion straightforward and reliable.

The Conversion Formula

gallons = half barrel kegs × 15.5

Or using fluid ounces:

gallons = half barrel kegs × (1984 / 128)

Example: Converting 4 Half Barrel Kegs to Gallons

Calculation:

gallons = 4 × 15.5 = 62 gallons

Why 15.5 Gallons?

The half barrel keg contains exactly half of a US beer barrel (31 gallons). This standardization helps with:

Keg Size Comparison

Understanding how half barrel kegs compare to other keg sizes: