How Many Gallons in a Keg?
Quick Answer
A standard half-barrel keg holds 15.5 US gallons.
1 half-barrel keg = 15.5 gallons = 58.67 liters
Understanding the Conversion
The standard US half-barrel keg holds 15.5 gallons = 1,984 fl oz = 165.3 twelve-ounce servings. A full barrel (31 gallons) is used at breweries. Quarter-barrel 'pony kegs' (7.75 gallons) are popular for smaller parties.
Formula
1 half-barrel keg = 15.5 gallons = 58.67 liters
Common Examples
| Description | Value |
|---|---|
| Half-barrel keg (most common) | 15.5 gallons = 165 beers |
| Quarter-barrel pony keg | 7.75 gallons = 82 beers |
| Sixth-barrel (slim can) | 5.17 gallons = 55 beers |
Quick Reference Table
Use this table for quick conversions between keg and gallons:
| keg | gallons |
|---|---|
| 1 | 15.5 |
| 2 | 31 |
| 5 | 77.5 |
| 10 | 155 |
| 25 | 387.5 |
| 50 | 775 |
| 100 | 1,550 |
Frequently Asked Questions
How Many Gallons in a Keg?
A standard half-barrel keg holds 15.5 US gallons. The standard US half-barrel keg holds 15.5 gallons = 1,984 fl oz = 165.3 twelve-ounce servings. A full barrel (31 gallons) is used at breweries. Quarter-barrel 'pony kegs' (7.75 gallons) are popular for smaller parties.
What is the formula to convert keg to gallons?
The formula is: 1 half-barrel keg = 15.5 gallons = 58.67 liters. To convert, multiply the number of kegs by 15.5 to get the equivalent in gallons.
How do I convert gallons to keg?
To convert gallons to keg, divide the number of gallons by 15.5. For example, 77.5 gallons equals 5 kegs.