Hb range in adult.. 13.5 - 17.5 gm/dl NIL NAM July 03, 2017 Hb range in adult: a. 13.5 - 17.5 gm/dl.*** b. 12 -16 gm/dl c. 13.5 - 17.5 mg/dl. d. 11 - 15 gm/dl. Share This: Facebook Twitter Google+ Stumble Digg