The measurement you need is the cutout. For example, the # F30SW15ABL fits a wall cutout that is 26-1/4" wide x 16-1/4" tall x 5" deep or cabinet cutout that is 29-5/16" wide x 17-13/16" tall x 7-3/16" deep. The overall dimensions are 29-5/16" wide x 17-13/16" tall x 7-3/16" deep. view full answer...