A:Answer Hello, thank you for your question. The very top shelf is 53" wide and 14" deep. It can support 75 lbs.
The shelf below it is also 52" wide, 16-1/4" deep and 6-5/8" in height. It holds 50 lbs.
The shelfs behind the doors are 25-1/4" wide each,15-3/8" in height and 16" deep. Those shelfs hold up to 30 lbs.
The unit as a whole is 17-1/2" deep, 52" wide and 33" tall.
I hope this information helps!