ft 2 in (1.9 m) 10 6 ft 6 in (2.0 m) 220 lb (100 kg) 13 7 ft 4 in (2.2 m) World's tallest Boy Scout , averaging a growth of 4 inches (100 mm) per year since birth, wearing size 25 (U.S.) shoes. [3] 16 7 ft 10.5 in (2.40