Style: Imperial Stout
All StylesStyle Profile
BU:GU
0.60
Hops
5.6 g/L
Mash pH
5.46
Style Guidelines BJCP 2021 Beer
OG 1.097
FG 1.024
IBU 57
ABV 9.8%
SRM
Typical Grain Bill
% of total grain weight across all recipes · sums to ~100%
Common Additions
% of Imperial Stout recipes using each malt category (addition % in brackets)
Hop Usage by Addition Type
g/L · median with IQR range
Bittering 1.5 g/L
Flavour 1.36 g/L
Aroma 1.36 g/L
Whirlpool 1 g/L
Common Hops
- 18% East Kent Goldings
- 18% Magnum
- 12% Columbus
- 12% Chinook
- 11% Cascade
- 11% Willamette
- 11% Nugget
- 10% Centennial
- 10% Fuggle
- 9% Northern Brewer
% of Imperial Stout recipes using each hop
Dry-Hop Rate by Year
g/L · median with IQR range
2018 3 g/L
2019 1.44 g/L
2020 1.46 g/L
2021 0.86 g/L
2022 1.22 g/L
2023 4.99 g/L
2024 1.5 g/L
dated Imperial Stout recipes with at least one dry-hop addition
Common Fermentables
- 31% Chocolate Malt
- 27% Roasted Barley
- 20% Oats, Flaked
- 17% Pale Malt (2 Row) US
- 16% Flaked Oats
- 14% Black (Patent) Malt
- 14% Caramel/Crystal Malt -120L
- 13% American - Chocolate
- 13% Pale Malt, Maris Otter
- 12% American - Roasted Barley
Colour = malt category · bar = % of recipes
Common Yeasts
- 19% Safale American (US-05) Fermentis
- 8% California Ale (WLP001) White Labs
- 8% SafAle English Ale (S-04) Fermentis
- 6% American Ale (1056) Wyeast Labs
- 4% Dry English Ale (WLP007) White Labs
- 3% Nottingham Lallemand
- 2% Darkness (A10) Imperial Yeast
- 2% New World Strong Ale (M42) Mangrove Jack's
- 2% London Ale Yeast (1028) Wyeast Labs
- 2% Irish Ale (1084) Wyeast Labs
% of Imperial Stout recipes using each strain
Mash Profile
- 72% Single Infusion
- 23% Step Mash
- 5% Decoction
% of Imperial Stout recipes with mash data
Typical Water Profile
- 100 ppm Ca²⁺
- 5 ppm Mg²⁺
- 30 ppm Na⁺
- 60 ppm Cl⁻
- 53 ppm SO₄²⁻
- 235 ppm HCO₃⁻
median across recipes with a declared water profile
Similar Styles
Most alike in strength, bitterness, colour, grist, hops and yeast.