The tail (long up to 1.1 m or 3.6 ft in large kangaroos) is used for leaning and for balancing during the jumps. The length of the sole of a large kangaroo can be 26 cm (10.5 in). Normal jumps are 1.2-1.9 m (4-6 ft) long, but at high speed they can be 13.5 m (45 ft) long and 3.3 m (11 ft) tall.