21" wide, 24 1/2" deep, 53 1/4" high to the back with the seat is in the lowest position, 57" high to the back when seat is in the highest position, 19 3/4" high to the seat when in the lowest position, 23 1/2" high to the seat when in the highest position
levers for lowering/raising the seat & adjusting the back under the seat