Final answer:
The standard size of a Full Hotel Pan is 20 inches by 12 inches with varying depths. It's used widely in commercial kitchens under the gastronorm standard.
Step-by-step explanation:
The standard size for a Full Hotel Pan, also known as a Full Size Steam Table Pan, is typically 20 inches in length by 12 inches in width. The depth of these pans can vary, commonly ranging from 2.5 inches to 8 inches deep, to accommodate different volumes of food. These pans are a staple in commercial kitchens for food storage, preparation, and serving on buffet lines, complying with the universally accepted gastronorm standard sizes in professional cooking.