United Kingdom
United States
Key takeaways
What is IBU in beer, and what does IBU stand for?
IBU stands for International Bitterness Units. It’s a measurement of bittering compounds in beer, most often associated with hops. A higher IBU generally means more measured bitterness, but it isn’t a rating of a beer’s quality or a guarantee of how bitter it will taste.
That distinction is important because measured bitterness and perceived bitterness aren’t the same thing. Malt sweetness, body and other flavors can balance hop bitterness, making a beer taste less sharp than its IBU might suggest.
IBU is useful for comparing beers, but it tells only one part of the flavor story.
Beer IBU chart by style
The ranges below are style-guide benchmarks, not readings for individual beers. Some styles have a useful published range; others cover such different beers that giving them one number would be misleading.
Pinter doesn't list IBU ratings for individual beers, because the number alone can't capture the whole flavor.
10 Ranked beer styles with comparable IBU ranges
A Double IPA has a much higher bitterness range than most of the styles here. In practical terms, its guidelines allow for a strong hop bitterness, but the upper number doesn't mean every Double IPA will taste intensely bitter.
Malt sweetness, body and hop character all affect how that bitterness comes across.
A classic American IPA often has a clear, pronounced hop bitterness. That doesn’t mean it will taste only bitter: the hops may bring citrus, pine or fruit, while malt helps balance the finish. “IPA” covers several styles, so check the specific description too - Hazy IPAs and Session IPAs can fall in different ranges.
Hazy IPAs often bring plenty of hop aroma and flavor, but their bitterness can feel softer than the number suggests. A beer at 40 IBU may taste juicy and smooth rather than sharply bitter.
That's why IBU works best as a comparison point, alongside the beer's flavor description.
Pilsner bitterness depends on the type. Some Pilsners are crisp with a gentle hop finish; others have a more noticeable bitterness that lingers. This wider span captures that variation.
If you're choosing one, the IBU gives you a rough idea of bitterness, while the product description can help you judge whether it sounds crisp, malty or hop-forward.
American Pale Ale balances hop character with malt, so its bitterness is usually noticeable without taking over the whole flavor. Hops can bring citrus, pine or fruit, while malt adds depth.
Its range overlaps with Hazy IPA, but the styles can taste quite different even when their IBU numbers are close.
British Bitter includes several strengths, from ordinary bitter to extra special bitter, which is why the range stretches from 20 to 45 IBU. Across the family, malt and hops work together.
A higher number can mean more measured bitterness, but it doesn't automatically mean a sharper or harsher finish.
Classic English-style Pale Ale generally has a lower IBU range than American Pale Ale. It can still have a clear hop character, but malt helps balance it.
Because "Pale Ale" can describe different beers, use the flavor notes as well as IBU when deciding whether you'd enjoy a particular one.
"Session" describes a lower-strength IPA; it doesn't mean a beer without hop bitterness. Session IPAs can still taste distinctly hoppy, and their IBU depends partly on the type of IPA they're based on.
Also, their range overlaps with other styles, so the ABV and flavor description help explain what to expect.
Dunkel is a dark lager, but its color doesn’t mean it will taste strongly bitter. Its bitterness range is lower than the IPA styles above, while malt often brings bread, toast or chocolate notes.
Think of IBU as one part of the comparison: it will never quite tell you the beer’s full flavor.
Belgian Wit has a lower bitterness range than the other ranked styles. That doesn't mean it tastes plain; hop bitterness is only one part of the beer's flavor.
Check the description for other notes and characteristics, since the IBU number won't tell you everything you'll notice in the glass.
Styles without one comparable IBU range
Stout covers several styles with different bitterness levels. For example, American Stout is commonly listed at 35-60 IBU, while Imperial Stout can reach 50-80. Those are benchmarks for specific types, not one range for every stout.
The particular style and flavor description will tell you more than "Stout" alone.
Lager is a broad family, so one IBU range would be misleading. An American-style Lager is often around 5-15 IBU; an Oktoberfest-style Lager can be around 20-30. Pilsner has its own entry above.
The style name gives you a more useful comparison than "Lager" by itself.
Belgian Dark Ale is a broad label, and dark color doesn't tell you how bitter the beer will taste. Some versions are more malt-forward; others may have more hop presence.
There isn't one comparable IBU range for the whole category, so look to the individual beer's flavor description.
Sourness and bitterness are different sensations. Acidity gives a sour beer its tart taste; IBU relates to measured hop bitterness. Some Sour Ales have little hop bitterness, while others have more.
Since they don't share one useful IBU range, the flavor description is a better guide to how tart or hoppy a beer may taste.
How to read the beer IBU scale
Use the chart to compare bitterness ranges, not to predict exactly how two beers will taste. The examples below show how to make that comparison more useful:
Does a higher IBU always taste more bitter?
No. IBU measures bittering compounds; your palate experiences the whole beer. Malt sweetness can balance bitterness, while a drier finish can make it stand out. Body and other flavors also shape how sharp or rounded the beer seems.
That’s why two beers with the same IBU can taste different. A dark beer isn’t automatically more bitter, and a pale beer isn’t automatically mild. Color tells you little about bitterness on its own; compare the IBU with the beer’s style and flavor description.
ABV and IBU in beer: What’s the difference?
| Measure | What it tells you | What it doesn’t tell you |
|---|---|---|
| ABV | The beer’s alcohol strength | How bitter it tastes |
| IBU | Its measured bitterness | How much alcohol it contains |
A beer can be high in ABV but relatively low in IBU, or the reverse. For example, two beers can both be 5% ABV and taste very different in bitterness. Use ABV to compare strength and IBU as one clue to bitterness; neither number explains the whole flavor.
How to use an IBU chart when choosing a beer
Use IBU to narrow your options, then look at the style and flavor description before choosing. The number gives you a bitterness clue, not a guarantee of what you’ll taste.
Pinter fresh beer is more than an IBU number
At Pinter, we believe a beer’s flavor is about more than one number. Our all-in-one brewing machine brings fresh beer home in a wide range of styles, from IPAs and DIPAs to lagers, stouts, bitters and Belgian ales.
We don’t publish IBU values for our beers because they can’t capture the whole taste. Instead, we use flavor descriptions and taste tags to help you choose the kind of fresh beer you’re in the mood for.
Use the chart to find a style, then follow your taste
IBU is most useful when you compare beers in the same style. Across different styles, malt, body and hop character can make similar numbers taste quite different.
Use the chart to spot a style you're curious about, then check its flavor notes and ABV. At Pinter, those descriptions help you choose what sounds good to you; the IBU number is only one part of the decision.
Ready to explore fresh beer beyond the IBU?
IBU can help you compare bitterness, but flavor is what makes a beer yours. Explore Pinter’s Fresh Press range, choose a style and flavor profile that appeal to you, then brew and tap fresh beer at home with your Pinter. From hop-forward IPAs to crisp lagers and rich stouts, there’s plenty to discover.
SHOP PINTERBeer IBU FAQs
How is IBU measured?+
A lab can measure beer bitterness by isolating and analyzing bittering compounds in the finished beer. Brewers may also calculate an estimated IBU from the recipe. Either way, the number describes the beer’s bittering compounds; it doesn’t tell you exactly how bitter the beer will taste.
Does IBU measure hop aroma?+
No. IBU relates to bitterness, not the aromas that hops bring, such as citrus, pine or floral notes. A beer can smell strongly hoppy without tasting as bitter as you might expect. Check the flavor description for aroma clues; the IBU number won’t provide them.
Why do I see different IBU ranges for the same beer style?+
A style name can cover beers with different bitterness levels. IPA, for example, includes classic American, Hazy and Session versions. A chart that groups them together will show a broader range than one that separates them. For a useful comparison, match the beer to its specific style before comparing IBU.
About the author
Jess D’Amico
Community Director
Jess D'Amico is one of Pinter's brewing experts, here to share everything she knows and keep the brewing community connected with the team behind the scenes.