Hi Jen, Great question! For your convenience, we do have most of these dimensions right on the same page, just below the image. In case you need to refer to them more than once.
Additionally, the depth of each are as follows: Desk 65 1/8 x 29 1/2 Return: 38 1/4 x 23 1/2. Thank you!
Answered on 12/5/2016 by Anonymous