Foundation Sizes
British Standard / WBC / National / Smith
| Foundation | Depth / inches (cm) | Width / inches (cm) |
|---|---|---|
| Brood / Deep | 8 (20.3) | 13 7/16 (34.1) |
| Super / Shallow | 5 (12.7) | 13 7 16 (34.1) |
Langstroth
| Foundation | Depth / inches (cm) | Width / inches (cm) |
|---|---|---|
| Brood / Deep | 8 5/8 (21.9) | 16 3/4 (42.5) |
| Super / Shallow | 4 7/8 (12.9) | 16 3/4 (42.5) |
Commercial
| Foundation | Depth / inches (cm) | Width / inches (cm) |
|---|---|---|
| Brood / Deep | 9 1/2 (24.1) | 15 7/16 (39.2) |
| Super / Shallow | 5 1/2 (14.0) | 15 7/16 (39.2) |
Modified Dadant / Jumbo Langstroth
| Foundation | Depth / inches (cm) | Width / inches (cm) |
|---|---|---|
| Brood / Deep | 10 3/4 (27.3) | 16 3/4 (42.5) |
| Super / Shallow | 5 3/4 (14.6) | 16 3/4 (42.5) |
Other Products
| Foundation | Depth / inches (cm) | Width / inches (cm) |
|---|---|---|
| 14 x 12 | 11 1/2 (29.2) | 13 7/16 (34.1) |
| Ross Round | 4 (10.2) | 16 1/2 (41.9) |
| Section Square | 4 3/16 (10.6) | 4 1/8 (10.5) |