Beekeeping > Equipment Sizes > Foundation

Foundation Sizes

British Standard / WBC / National

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)
14 x 12 11 1/2 (29.2) 13 7/16 (34.1)

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)

Others

Foundation Depth / inches (cm) Width / inches (cm)
Ross Round 4 (10.2) 16 1/2 (41.9)
Section Square 4 3/16 (10.6) 4 1/8 (10.5)