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Draft Beer

Guide to Beer Keg Sizes and Dimensions

It’s a wide world of beer out there, and we’re all just living in it. If you’ve decided to install a kegerator in your space, you may be considering various options. In order to make the most of your decision, you should know about the different keg sizes of draft beer offered on the market today.

How Many Beers In A Keg?

  Cornelius Keg Sixth Barrel Keg Quarter Barrel Keg Slim Quarter Keg Half Barrel Keg 50 Litre Keg
Capacity (gal / oz / L) 5.0 gal
640 oz
18.93L
5.16 gal
661 oz
19.55L
7.75 gal
992 oz
29.34L
7.75 gal
992 oz
29.34L
15.5 gal
1,984 oz
58.67L
13.2 gal
1,690 oz
50.0L
Pints (16 oz) 40 41 62 62 124 105
Bottles / Cans (12oz) 53 55 82 82 165 140
Growlers (64 oz) 10 10 15.5 15.5 31 26

  Corny Sixtel ¼ Keg Slim ¼ ½ Keg 50L
Gal 5.0 5.16 7.75 7.75 15.5 13.2
Oz 640 661 992 992 1,984 1,690
Liters 18.93 19.55 29.34 29.34 58.67 50.0
Pints
(16 oz)
40 41 62 62 124 105
Cans
(12oz)
53 55 82 82 165 140
Growler
(64 oz)
10 10 15.5 15.5 31 26

Keg Sizes & Dimensions Quick Reference Chart

  Cornelius Keg Sixth Barrel Keg Quarter Barrel Keg Slim Quarter Keg Half Barrel Keg 50 Litre Keg
Capacity (gal / oz / L) 5.0 gal
640 oz
18.93L
5.16 gal
661 oz
19.55L
7.75 gal
992 oz
29.34L
7.75 gal
992 oz
29.34L
15.5 gal
1,984 oz
58.67L
13.2 gal
1,690 oz
50.0L
Height 23" 23⅜" 13⅞" 23⅜" 23⅜" 20.94"
Width (Diameter) 9" 9¼" 16⅛" 11⅛" 16⅛" 16.06"
Weight (Full) 55 lbs 58 lbs 87 lbs 87 lbs 160 lbs 130 lbs
Weight (Empty) 9 lbs 16.5 lbs 22 lbs 22 lbs 30 lbs 28 lbs
Alternate Names Corny Keg ⅙ Barrel,
Sixtels
Pony Keg,
Stubby Quarter
Tall Quarter Full Size Keg,
Full Keg
Import Keg,
European Barrel,
50 Liter

  Corny Sixtel ¼ Keg Slim ¼ ½ Keg 50L
Gal 5.0 5.16 7.75 7.75 15.5 13.2
Oz 640 661 992 992 1,984 1,690
Liters 18.93 19.55 29.34 29.34 58.67 50.0
Height 23" 23⅜" 13⅞" 23⅜" 23⅜" 20.94"
Width 9" 9¼" 16⅛" 11⅛" 16⅛" 16.06"
Wt (Full) 55 lbs 58 lbs 87 lbs 87 lbs 160 lbs 130 lbs
Wt (Empty) 9 lbs 16.5 lbs 22 lbs 22 lbs 30 lbs 28 lbs


Keg Sizes and Types

These different keg sizes each have different purposes and will be used in different situations, but if you know what you’re getting into, it will help you make an informed decision about what kind of kegerator you need to maximize your beer enjoyment.

Cornelius Keg

Cornelius Keg

Alternate Names: Corny Keg, Homebrew Keg, Soda Keg

The tall, cylindrical Cornelius Keg (or Corny Keg) was originally developed (and still used) to store, distribute, and dispense soda like Pepsi or Coke.

However, with a five-gallon capacity (the size of a typical homebrew batch) and a design that’s easy to fill, clean, and maintain, Corny Kegs have become very popular with homebrewers who want to skip the process of bottling beer and enjoy their brew on draft.  

Most Cornelius Kegs utilize a ball-lock style connection, but some older models still feature a pin-lock style.

Cornelius Keg holds 53 12oz cans / bottles or 40 pints

  • Pints (16 oz) of beer per keg: Approx. 40
  • Cans / Bottles (12oz) per keg: Approx. 53
  • Capacity: 5 gallons / 18 liters / 640 ounces
  • Dimensions: 23" x 9"

Sixth Barrel Keg Size

Sixth Barrel Keg

Alternate Names: Sixtel, 1/6 Barrel, 1/6 BBL

A standard Sixth Barrel Keg (⅙ Barrel) is very similar in size, shape, and capacity to a Cornelius Keg, but just a little bit bigger (5.16 gallon capacity vs. 5.0 in a Corny Keg). The main difference is that this style doesn’t utilize a ball or pin-lock connection system, but a traditional keg valve that requires a keg coupler for dispensing.

⅙ Barrels (or sixtels, as they’re often called) have become increasingly popular because many craft brewers offer their small-batch experiments only in kegs of this size. Furthermore, many beer-minded restaurateurs that want to offer their customers a wide variety will opt for Sixth Barrel Kegs because they take up less space than their bigger brothers.  

If you opt for a dual-tap kegerator in your home, you’ll likely end up having many different brews offered in Sixth Barrel Kegs because you can fit two of these in one standard kegerator cabinet.

Sixth Barrel Keg holds 55 12oz cans / bottles or 41 pints

  • Pints of beer per keg: Approx. 41
  • Cans / Bottles (12oz) per keg: Approx. 55
  • Capacity: 5.16 gallons / 20 liters / 661 ounces
  • Dimensions: 23⅜" x 9¼"

Quarter Barrel Keg Size

Quarter Barrel Keg

Alternate Names: Pony Keg, Stubby Quarter, 1/4 BBL

The Quarter Barrel Keg (AKA Pony Keg or Stubby Quarter) looks like the standard beer keg you’re used to from keg parties but much shorter (hence the “stubby” description). It's 7.75 gallons and perfect for small parties.

Quarter Barrel Keg holds 82 12oz cans / bottles or 62 pints

  • Pints of beer per keg: Approx. 62
  • Cans / Bottles (12oz) per keg: Approx. 82
  • Capacity: 7.75 gallons / 30 liters / 992 ounces
  • Dimensions: 13⅞" x 16⅛"

Slim Quarter Keg Size

Slim Quarter Keg

Alternate Names: Tall Quarter, Slim 1/4 BBL

This tall, slender keg holds the exact same amount as its stubbier relative, the Quarter Barrel Keg. Much like a ⅙ Barrel, the dimensions of this keg make it a popular choice for people with dual-tap kegerators, but it holds 7.75 gallons, making it more than two gallons larger than a sixtel.

Slim Quarter Keg holds 82 12oz cans / bottles or 62 pints

  • Pints of beer per keg: Approx. 62
  • Cans / Bottles (12oz) per keg: Approx. 82
  • Capacity: 7.75 gallons / 30 liters / 992 ounces
  • Dimensions: 23⅜" x 11⅛"

Half Barrel Keg Size

Half Barrel Keg

Alternate Names: Full Size Keg, Full Keg, 1/2 BBL

The grandaddy of them all, the 15.5 gallon Half Barrel Keg is probably what you picture when you think of a beer keg. This is the vessel that’s been used to distribute macro brews for generations, and if you’re reading this, it’s likely that you’ve served yourself a red Solo cup or two from one of these beauties.

Of course, this is also the keg that most bars and restaurants use, and it will also fit any standard-sized kegerator. If you’re interested in trying new brews, you’ll probably want to stick with the smaller sizes.

Half Barrel Keg holds 165 12oz cans / bottles or 124 pints

  • Pints of beer per keg: Approx. 124
  • Cans / Bottles (12oz) per keg: Approx. 165
  • Capacity: 15.5 gallons / 58.7 liters / 1,984 ounces
  • Dimensions: 23⅜" x 16⅛"

50 Litre Keg Size

50 Litre Keg

Alternate Names: Import Keg, European Barrel, 50 Liter

A 50 Litre Keg is used by European Breweries and is similar in size to its American cousin, the Half Barrel Keg. This is the most common keg size in European countries, including the UK. Popular import brands in the US include Heineken, Newcastle, Hoegaarden and Stella Artois.

Keep in mind that import kegs do not use a standard US Sankey D coupler. Check our keg coupler guide or ask your supplier to make sure you have the right coupler for your keg.

50 Litre Keg holds 140 12oz cans / bottles or 105 pints

  • Pints (16oz) of beer per keg: Approx. 105
  • Cans / Bottles (12oz) per keg: Approx. 140
  • Capacity: 13.2 gallons / 50 liters / 1,690 ounces
  • Dimensions: 20.94" x 16.06"

Mini Keg Size

Mini Keg

Alternate Names: None

Having a shape similar to a small barrel, a Mini Keg is a perfect option for a small gathering of friends where you might normally bring a 12-pack. The 5-liter mini keg holds about 14 12-ounce pours.

The most popular and easy to find version of these are Heineken mini kegs, which contain a CO2 canister to dispense the beer. There isn’t a large selection of mini kegs available, but you can find a few additional imports (ex. Warsteiner, Bitburger) and some craft beers (ex. Bell’s Oberon Ale & Hopslam) depending on where you live. For these mini kegs you introduce air by opening the bung at the top of the keg, and then dispense the beer using the spigot at the bottom.

Mini Keg holds 14 12oz cans / bottles or 10 pints

  • Pints (16oz) of beer per keg: Approx. 10
  • Cans / Bottles (12oz) per keg: Approx. 14
  • Capacity: 1.32 gallons / 5 liters / 1,69 ounces
  • Dimensions: 9 ⅞” x 6 ¾”

Now that you know your keg sizes, you’ll want to make sure the keg coupler on your kegerator or draft system is compatible with the keg you are buying. Most domestic beers fit the D System Sankey coupler that comes standard on most kegerators. Consult our Keg Coupler List ahead of time to make sure the draft beer you pick will connect to your system.


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