<prompt> Weight of the liver is -1.5 kg4 kg0.5 kg7 kg  <response>: Ans. is a i.e., 1.5 kg The liver is a reddish-brown wedge-shaped organ with four lobes of unequal size and shape. A human liver normally weighs 1.44-1.66 kg 3.2-3.7 lb. It is both the heaviest internal organ and the largest gland in the human body. 