Figuring out the right size for a 3 tier wedding cake can be confusing, especially with guest lists that always seem to change. This guide breaks down popular tier sizes, how many servings each combo covers, and why it matters for taste and budget. Find specific recommendations for small, medium, and large weddings. Get tips on avoiding common cake sizing mistakes and making sure your cake turns out just right. You’ll feel prepared (and maybe a little hungry) by the end.