Cake Servings Chart - Sweet Celebrations, LLC. Colorado Custom Cakes & Confections. (Attention: This website is Currently Inactive, Owner is Away)
Cake Calculator - Find How Much Cake You Need - Inch Calculator
Cake Chart
Cake Serving Chart - What Size Cake Should You Make - Veena Azmanov
Cake Sizes | Cake Serving Guide Suggestions | What size cake will you need
Cake serving size chart
Cake Serving Chart - U Create
The Royal Bakery - These are the serving guides I use for 1" x 2" x 4" (or 5") tall slices. I created these myself. Square cakes are easy to work out -
Cake Portion Guide: What Size Of Cake Should You Make?