Question: how big is a grizzly bear standing up?
Answer: Size & appearance They are 3.3 to 9 feet (1 to 2.8 meters) in length and weigh 800 lbs. (363 kilograms). Grizzly bear tails are usually 2.6 to 8 inches (65 to 210 millimeters) long. When they stand upright on their hind legs, they can reach 8 feet (2.4 meters) tall.