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Open Styles on the desk

Imperial Stout

BJCP 20C specs

The band is the guideline range — the marker is where the modern homebrew average actually lies.

OG

1.098

1.075

1.115

FG

1.023

1.018

1.030

ABV

9.9%

8.0

12.0

IBU

60

50

90

BU:GU

0.65

0.43

1.20

SRM

46

30

40

Grain character

Each axis is scaled to how intense that flavour gets in real malt bills.

Hop character

0-5 scale. 0s mean no aroma values available.

Common grains

Average share of the grain bill when used.

350°
Chocolate malt5%
2°
Pale / 2-row (generic)65%
450°
Roasted barley5%
1°
Flaked oats8%
100°
Crystal (dark, ~80-120°L)5%
500°
Black / patent malt4%
55°
Crystal (medium, ~40-70°L)6%
3°
Maris Otter / British pale61%

Common hops

By how often brewers reach for them.

Alpha11.0–16.0%Beta5.0–8.0%

East Kent Goldings

Alpha4.0–6.5%Beta1.9–3.0%

Columbus🇺🇸

Alpha13.9–17.5%Beta4.0–6.0%

Willamette🇺🇸

Alpha3.8–7.0%Beta3.0–5.0%

Chinook🇺🇸

Alpha10.7–15.0%Beta3.0–4.5%

Alpha9.0–16.0%Beta3.0–6.0%

Cascade🇺🇸

Alpha4.0–9.0%Beta4.5–9.0%

Alpha3.0–6.5%Beta2.0–4.0%

Common yeasts

By how often brewers pitch each strain.

Atten78–82%Temp12–25°C

Atten74–82%Temp12–25°C

WLP001 California Ale Yeast

Atten73–85%Temp18–23°C

1056 American Ale

Atten73–77%Temp16–22°C

LalBrew Nottingham

Atten78–84%Temp10–25°C

WLP007 Dry English Ale Yeast

Atten70–80%Temp18–21°C

1028 London Ale

Atten73–77%Temp16–22°C

1272 American Ale II

Atten72–76%Temp16–22°C

Brew a Imperial Stout