Perfect Pizza Calculator
Perfect Pizza Calculator — determine pizza size, slices, and dough quantity based on diameter and servings.
Formula
Area = π × (d/2)²; Slices ≈ d/2; Dough (g) = Area × 2.5
- Pizza Area Formula: A = π × r², where r = diameter ÷ 2.
- Slices: rough guideline is 1 slice per 2 inches of diameter.
- Dough: approximately 2.5 grams per square inch of pizza surface.
12-inch Pizza for 4 People
Inputs
- Pizza Diameter (inches): 12
- Servings: 4
12-inch pizza ≈ 113 sq in, 6 slices, 1.5 per person, needs ~280g dough.
Frequently asked questions
How many slices are in a pizza?
Standard guideline: 1 slice per 2 inches of diameter. A 12-inch pizza has ~6 slices, 16-inch has ~8 slices.
How much pizza per person?
Typically 2-3 slices per person. Adjust based on appetite and whether there are sides.
How much dough do I need?
Approximately 2.5 grams of dough per square inch of pizza. For 12-inch: ~280g; for 16-inch: ~500g.
How do I scale a pizza dough recipe?
Calculate the total area, then scale your dough recipe by area ratio (new area ÷ old area).