This page may contain links that earns us a commission. As an Amazon Associate we earn from qualifying purchases.

How Long Does Beer Last In A Keg?

A keg of beer is a cylindrical container usually made from stainless steel or aluminum. It holds 15.5 gallons, or approximately 1,984 fluid ounces, and is pressurized for carbonation.

The tap on the top releases beer and is connected to a gas source for dispensing the beer properly.

How Kegs Preserve Different Beers

Kegs are an ideal way to store beer and keep it fresh for a longer period of time. Beers are brewed to specific styles that require unique storage methods and conditions.

Different beers need different amounts of pressure, oxygen levels, temperatures, and carbonation levels to maintain their quality over time.

With proper care, kegs can help preserve the taste and condition of your favorite brews for up to 6 months or longer!

Storage Considerations for a Keg of Beer

The key to storing any type of beer in a keg is proper upkeep and storage practices. Be sure that the keg is kept clean at all times, free from any dirt or debris that could affect its integrity and quality when filled with beer.

As well as regular cleaning, always make sure to store your keg in a cool, dark place away from sunlight, excessive heat, or temperatures that could cause spoilage if not regulated properly.

Temperature Impact on Keg Beer Quality

Temperature plays an important role in preserving your beer’s freshness in a keg as well as optimizing quality when drinking it! Beer should be kept between 40-55°F (4-12°C) while being stored in the keg but ideally between 45-50°F (7-10°C).

Temperatures outside this range can create an environment that either encourages bacterial growth causing spoilage or impacts overall flavor drastically negatively if too cold due to loss of carbonation and flavor profiles.

Cellar Temperature for Storing a Keg Beer

The best temperature range for storing beer once it’s filled into the keg is slightly higher than typical cellar temperatures at 55-60°F (13-15°C).

This ensures not only optimal preservation of flavor but also helps maintain proper carbonation levels which aids with dispensing accuracy as well as shelf life stability once tapped!

Dispensing Pressure and Carbonation Effects on Beer Longevity

The amount of pressure used to dispense your draft beer also plays a role in shelf-life preservation while filling your keg!

Higher pressures will preserve overall quality by helping counter oxidation through controlled flow rates and help reduce foam production; both factors can shorten shelf life if not regulated properly when tapping or pouring draft beers from the tap!

As well as regulating pressure rates it’s also important to ensure carbon dioxide levels used remain consistent when filling up your keg along with the appropriate temperature control mentioned prior; these factors combined will guarantee optimal results no matter what kind of brew you’re serving!

Shelf Life of Different Types of Beer in a Keg

The shelf life for each style varies due to its brewing process; different ingredients used can either extend or decrease its longevity depending on how it’s made – some might last up to 6 months while others less so depending on specific elements included during its production like hops content & alcohol percentage just to name some examples!

The most durable types are usually lagers which commonly reach 12 weeks with minimum degradation whereas ales average around 8-10 weeks before becoming noticeably inferior taste-wise compared with their original state at the first brewed date!

Factors Affecting the Shelf Life Of A Keg Beer

To make sure your beer is at its best for as long as possible, keep these factors in mind:

  • Temperature: An incorrectly stored keg will go flat in no time. Make sure to keep the temperature at the optimal range of 36°F to 40°F.
  • Light: Beer exposed to light for an extended period of time is prone to “light-struck” beer or “skunked” beer due to its reaction with UV rays.
  • Carbonation: This is affected by both time and temperature changes. Over time, carbonation will decrease, so make sure to drink your keg at a reasonable pace!
  • Quality: Old and expired beer has a certain scent that’s hard to miss—so if your nose can detect it, toss it out!

In conclusion, keeping tabs on these four factors is key to making sure your keg beer stays fresh and tasty for much longer than expected!


When looking into how long does beer last in a Keg it’s important to understand what type you’re dealing with first off. Certain styles require unique storage conditions whereas others may need additional methods such as temperature control.

Making sure you check labels ahead before stocking up will ensure optimal results no matter what kind you’re planning on serving as long as all relevant regulations were followed throughout the entire process!!

Author Image Fabian
I’m Fabian, homebrewer and beer taster. I’m also the editor of Beer100. I love travelling the world and trying out new handcraft beer and different beer styles. I’m not an expert in brewing beer, but I know a few things about beer, which I share on this blog. If you need help or have a question, please comment below.

Leave a Comment

Your email address will not be published. Required fields are marked *