Most commercial examples are in the 6.5 - 7% ABV range. Traditionally bottle-conditioned ("refermented in the bottle").The BJCP does not allow the full textual descriptions to be included in other publishings, go to Belgian Dubbel on their site for details.
OG: 1.062-1.075 SG
FG: 1.008-1.018 SG
Alcohol: 6.3-7.6 %abv
IBU: 15.0-25.0
Color: 10.0-17.0 SRM
CO2: Unspecified
| OG | FG | Alcohol | IBU | Color | CO2 |
|---|---|---|---|---|---|
| 1.062-1.075 SG | 1.008-1.018 SG | 6.3-7.6 %abv | 15.0-25.0 | 10.0-17.0 SRM | Unspecified |