Normally somewhere between 26” and 29” tall, desk height table legs paired with a 1″ or 1-1/2″ thick top should put your finished tabletop surface between 27″ and 30″ tall. These legs are ideal for any desk or table where the user is seated in a standard chair.Click to see full answer. Simply so, what size should a desk be? Desk Design Guidelines A standing desk (versus a lap desk) is normally 30 to 60 inches wide and 20 to 30 inches deep. A conventional office desk is often about 60 inches wide and 30 inches deep. The knee space under the desk should be 20 to 26 inches high, no less than 20 to 24 inches wide, and 12 to 15 inches deep.Secondly, how do you measure the size of a desk? Height of the table is the distance from the surface of the table to the floor. Width is the horizontal length – or left to right length when sitting properly at a desk. Depth is the measurement from front to back of the desk top. People also ask, what size should table legs be? Dining table legs are 29″, which leaves about an inch for top thickness. If you’re planning on a top thicker than one inch, you can shorten the 29″ legs to maintain a finished height of 30″.Should my desk face the window?Don’t place your desk flat up against a window so that you face directly out. The only situation in which it is good to place your desk against a window, provided no one can look in at you, is if you face due north-considered a prosperous direction-when looking directly out.