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How Much is a Keg of Beer?

Key Takeaways

1
Kegs offer a lower cost per pint but require high upfront spend, extra equipment, and work best for parties rather than everyday home drinking.
2
Keg size, beer type, and hidden costs like deposits, gas, and waste significantly impact total price, making real costs higher than expected.
3
For home use, smaller fresh beer systems like Pinter provide flexibility, less waste, easier setup, and better freshness without a large volume commitment.

Quick Answer: How Much Does a Keg of Beer Cost?

A keg of beer in the UK typically costs £70 to £200+, depending on the size and type of beer. Premium or craft options can push prices even higher.

The final price varies based on:

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Keg size (mini, 20L, 30L, 50L)
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Beer type (lager, IPA, bitter beer, craft)
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Brand and quality
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Where you buy it (supermarket, brewery, wholesaler)

And…don’t forget the extras:

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Deposit for the keg (often £30-£50)
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Tap or pump equipment
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Cooling tubs or kegerator setup

These additional costs can quickly add up, especially for home use.

How Much Beer is in a Keg?

Kegs in the UK are usually measured in litres. Here’s a simple breakdown of the most common sizes:

Keg Size Litres Approx. Pints
Full keg 50L ~88 pints
Mid-size keg 30L ~52 pints
Small keg 20L ~35 pints

Most home users go for 20L or 30L kegs, as full 50L kegs are large, heavy, and harder to store.

Number of Beers per Keg (Quick Breakdown)

•
Full keg (50L) → ~88 pints
•
30L keg → ~52 pints
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20L keg → ~35 pints
•
Mini keg (~5L) → ~9–10 pints

Keg Sizes Explained (Full, Half, 1/4, 1/6 & Mini)

Full/Half Barrel Keg

A full keg (typically 50L) is what you’ll find in pubs and bars. It offers the best value per pint, making it ideal for high-volume serving.

But for home use, it’s less practical:

•
Very heavy and bulky
•
Needs proper storage and cooling
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Designed for parties or events, not casual drinking

Quarter Keg (Pony Keg)

A 30L keg (similar to a US quarter keg) is a popular middle-ground option. It’s often used for:

•
Small parties
•
Weekend gatherings

Benefits:

•
Easier to handle than a full keg
•
Still serves a good number of pints

That said, it can still be more than most households need.

Sixth Barrel Keg

While less standard in naming, smaller kegs around 20L serve a similar purpose to a US sixth barrel. They offer:

•
A more manageable size
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Better flexibility for home use (group drinking)

Mini Keg

Mini kegs are typically 5 litres, holding around 9-10 pints.

They’re ideal for:

•
Small gatherings
•
Trying a specific beer

Limitations:

•
Still need to be finished fairly quickly once opened
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Limited variety compared to fresh brewing options

Keg of Beer Prices by Size

Half Keg Price

In UK terms, this usually refers to a full-size 50L keg, which typically costs £100 to £200+, depending on the beer.

•
Standard lagers and bitter beers sit at the lower end
•
Craft or premium options push prices higher

This is the best value per pint, but also the biggest upfront spend.

Quarter Keg Price

A 30L keg typically costs £60 to £120.

•
Good middle ground for small gatherings
•
Prices increase for craft or imported beer

Sixth Keg Price

Smaller kegs (~20L) usually range from £50 to £100.

•
More manageable for home use
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Delivers 30+ pints

Mini Keg Price

Mini kegs (5L) typically cost £15 to £40.

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Affordable upfront
•
Ideal for short-term use

What Affects the Cost of a Keg of Beer?

The price of a keg isn’t fixed. It changes based on a few key factors:

1. Beer type (craft vs standard)

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Standard lagers and classic styles like bitter beer are usually more affordable
•
Craft beers cost more due to smaller batches and premium ingredients

2. Brand and ingredients

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Well-known breweries often charge more
•
Higher-quality hops, malt, and speciality ingredients increase the price

3. Location and supplier

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Buying directly from a brewery can be cheaper
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Retailers and distributors add margin, increasing the final cost

4. Keg size

•
Larger kegs offer better value per pint
•
Smaller kegs cost more per serving but require less upfront spend

5. Market demand

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Seasonal beers or trending styles often come at a premium
•
Limited releases can push prices higher

6. Imports and logistics

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Imported beers cost more due to shipping and storage
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Cold chain handling and transport add to the final price

In short, the more specialised or harder to source the beer, the more you’ll pay.

Hidden Costs Most People Miss

•
Keg deposit (refundable) - Usually £30-£50 added upfront, refunded later when returned.
•
Tap or pump - Required to serve the beer, often rented at an extra cost.
•
Tub and cooling equipment - Kegs need to stay cold, so ice tubs or cooling bins are often necessary.
•
CO2 or gas - Used to maintain pressure and ensure a proper pour in many setups.
•
Storage (kegerator) - A larger upfront investment if you plan to use kegs regularly at home.
•
Beer waste - Foam, spillage, and poor pouring can lead to noticeable waste, with foaming alone accounting for over 10% of keg loss on average in draught systems.

Is Buying a Keg Worth It?

Kegs are a good option when you’re serving a large group or planning an event.

They work best when:

•
You’re hosting a party or gathering
•
The beer will be consumed quickly
•
You have the right setup (tap, cooling, space)

In these situations, the volume and lower cost per pint make sense.

Kegs are less practical for everyday home use. They don’t make sense when:

•
You’re drinking casually over time
•
Storage space is limited
•
You don’t want extra equipment or setup
•
There’s a risk of leftover beer going to waste

For most households, the volume can feel like too much commitment.

A More Practical Alternative for Home Use

Kegs aren’t designed for flexibility. That’s where Pinter offers a different approach:

•
Brew 10 UK pints at a time
•
No need for gas, taps, or bulky storage
•
Fits easily in your fridge
•
Fresh for up to 30 days once tapped

Keg vs Fresh Beer Systems

When comparing a traditional keg setup to a modern fresh beer system like Pinter, the differences are clear:

Factor Keg Pinter (Fresh Beer System)
Size Large and bulky Compact, fits in your fridge
Freshness Drops after opening (draught beer degrades over time) Fresh batches, stays fresh up to 30 days
Setup Requires taps, gas, and cooling equipment Simple, all-in-one system
Waste Higher due to foam and leftovers Lower, brew what you need

Traditional kegs are built for serving volume, which works well in pubs but can feel impractical at home. Pinter is designed for home use, letting you brew fresh beer in smaller batches and enjoy it over time. You’re not committing to 40+ pints at once, and you don’t need any extra equipment.

Now - how does Pinter work? Pinter is a simple, all-in-one system that lets you brew fresh beer at home in just a few steps. You add water and a Fresh Press (which contains the ingredients), leave it to brew for a few days, then move it to the fridge to condition. After that, you pour directly from the Pinter itself. Explore our beers here.

Fresh Beer at Home, Whenever You Want It

For a fresh beer experience at home (after all, you aren’t throwing a party every time!)

Get your Pinter today

FAQs

Can you brew keg-style beer at home without a kegerator?+
Yes, systems like Pinter let you brew fresh, draught-style beer at home without a kegerator. It’s designed for simplicity, fitting in your fridge and requiring no gas or complex setup.
How heavy is a full keg of beer?+
A full 50L keg can weigh over 60kg when filled, which is rather difficult to move or store at home. This weight is one reason kegs are better suited to pubs.
Is homebrewing cheaper than buying a keg of beer?+
Homebrewing isn’t always cheaper per pint than a large keg, but it avoids high upfront costs, reduces waste, and gives you fresh beer in smaller, more practical quantities.
Will Kirkham

About the author

Will Kirkham

Head Brewer

Will leads brewing at Pinter, turning fresh ingredients into crisp, drinkable beer that anyone can make at home.

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