The male American black bear averages around 250 pounds although some may weigh as little as 125 pounds or as much as above 600 pounds. Female black bears average around 150 pounds, although their weights can range from 90 pounds on the low end to over 300 pounds on the high end.
The record for the largest American black bear ever documented stands at 880 pounds, which was the weight of a 10-year-old bear that was killed in 1998 in North Carolina. The weight of the American black bear varies based on the bear's age and health. Their weight also fluctuates based on the condition of their surroundings and availability of food stores as well as the season of the year.