Anatomy Abdomen and pelvis e6bd9414 Weight of liver A 600-800 gm B 1000-1200gm C 1400-1600gm D 1800-2000gm High-Yield Explanation A human liver normally weighs 1.44-1.66 kg or1400 - 1600gm. It is both the heaviest internal organ and the largest gland in the human body. ref - BDC 6e Vol2 pg304