A 13-by-9-inch pan holds 12 cups. And a standard cupcake pan, with 1/2 cup batter in each of six cups, holds 3 cups. So a two-layer cake batter should convert easily to 12 cupcakes or a sheet cake. The depth of the pan is key to note whether you’re dealing with a single layer or double layered cake. If you want a single layer cake, use a ... This Winco® Sheet Pan comes in a full size and is perforated to allow for drainage. It is made from durable aluminum. Full-size Made of 3003 aluminum Wide and shallow with folded edges Closed bead with galvanized wire for rust resistance and reinforcement Perforated holes are 1/8" diameter Length: 26" Width: 18" Model #: ALXP-1826P Alegacy 8126P - Steam Table Pan, Half Size, Perforated, 11 Qt. Capacity - Pkg Qty 12. Usually ships in5 days. Buy it and Save at GlobalIndustrial.com Shop Thunder Group ALSP1813 Bun / Sheet Pan. 18" x 13" 20-Gauge Half Size Sheet Pan. Lowest Prices Guaranteed - Product Experts Available. SKU:200535 This set is perfect for the avid baker. The sizes include a quarter size sheet pan at 13" x 9.5" x 1", a half size sheet pan at 13" x 18" x 1", and a new size, the two-third sheet pan at 21" x 15" x 1". All items feature a commercial grade 18 gauge aluminum construction, and a reinforced rolled edge to prevent warping. The perforated surface increases air flow for crispy crusts. Perfect for bread, pizza, and more, this convenient half-size pan is a true workhorse in the kitchen when preparing for parties, bake sales, and everyday meals. This pack includes one perforated aluminum baking sheet pan measuring 18 inches by 13 inches.