The height of the Tidy Desk is 19.5", but the overall height will depend on the monitor size and placement. The monitor illustrated is a 27" monitor.
Top View - Dimensions on a 60" wide by 30" deep desktop:
Top View - Dimensions on a 60" wide by 24" deep desktop:
The minimum desk size is 44" wide by 24" deep. Tidy Desk is 44" wide and the depth is 15" from the drawer rail to the rear of the unit. On a 24" deep worksurface, this leaves 9" of space to accommodate for a large keyboard.