A:Answer The interior dimensions are 14.5 x 12.5 x 10. The baking rack is 14 1/2 x 12. As far as a 9 x 13 baking pan, that depends upon how wide the handles are. As you know, the handle width varies widely from pan to pan. So, for example, you could put a disposable 9 x 13 aluminum (lasagna) pan with no handles in there with no difficulty. Some pans will fit; some won't.