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Wedding Cake Servings Calculator

Total servings from a tiered round wedding cake.

Compute the approximate number of standard wedding-cake servings from the diameters of up to 4 round tiers, using the Wilton chart of ≈ π·r²/4 sq in per slice.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

in
in
in
in

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Servings per tier = floor(π · (d/2)² / 4). Total = sum across tiers.

In depth

Compute the approximate number of standard wedding-cake servings from the diameters of up to 4 round tiers, using the Wilton chart of ≈ π·r²/4 sq in per slice.