680 kilograms. 1LB = 0.45kg, 1500LB is 680kg, and 2000LB is 907kg. Barbell is a kind of equipment widely used in fitness, and its weight can be adjusted according to needs. By adding or reducing iron pieces, different weights from several kilograms to dozens of kilograms can be realized to meet the needs of strength trainers at different training levels. Barbell is widely used in training, which can be used to exercise muscles in different parts such as shoulders, back, arms and chest. Using iron pieces with different weights and various special training techniques for muscle strength, we can carry out muscle endurance training for all muscle groups, promote fat burning, shape bodybuilding lines, improve local muscle relaxation, and help delay muscle aging and prevent osteoporosis.