This calculator will help you figure out the size and quantities of sheet cake size you might need based on the number of guests. It will also provide a breakdown for different serving sizes. Whether you’re planning for a wedding, birthday party or other celebration, you’ll know if you have enough cake and you can adjust serving sizes to fit your budget.
Sheet cakes typically come in quarter, half and full sheets. A quarter sheet is 9″x13″, a half sheet is 13″x18″ and a full sheet is 18″x26″. Sheet cakes are usually 2 inches in height. The number of servings each cake has is dependent on the serving size. According to the International Dairy Deli Bakery Association as well as Cake Central, which bases servings per sheet cake on the number of equally sized slices that can be cut, the servings per sheet cake are:
For a 1″x2″ serving:
- A quarter sheet cake has up to 54 servings
- A half sheet cake has up to 108 servings
- A full sheet cake has up to 192 servings
For a 2″x2″ serving:
- A quarter sheet cake has up to 24 servings
- A half sheet cake has up to 54 servings
- A full sheet cake has up to 117 servings
For a 2″x3″ serving:
- A quarter sheet cake has up to 18 servings
- A half sheet cake has up to 36 servings
- A full sheet cake has up to 64 servings
For a 3″x3″ serving:
- A quarter sheet cake has up to 12 servings
- A half sheet cake has up to 24 servings
- A full sheet cake has up to 48 servings
