Eew! It looks like they used all their budget on guns and realised they couldn't afford to make her long enough...
HMS Nelson
Ordered: 1922
Builder: Armstrong-Whitworth
Laid down: 28 December 1922
Launched: 3 September 1925
Commissioned: 10 September 1930
Dimensions: Length (pp) 660 feet,
(oa) 710 feet.
Beam - 106 feet.
Draught (max) - 31.5 feet
Main Armament: 9 × 16 in (406 mm) guns
USS S. Dakota
Ordered: 15 December 1938
Laid down: 5 July 1939
Launched: 7 June 1941
Commissioned: 20 March 1942
Length: 680 ft (210 m)
Beam: 108.2 ft (33.0 m)
Draft: 36.3 ft (11.1 m)
Main Armament: 9 × 16 in (406 mm) guns