Food calculator
Pizza Size Calculator
Compare two pizza sizes by area and price per square inch.
Formula
Pizza area value
Area = pi x (diameter / 2)^2; unit price = price / area
A 16 inch pizza often has much more area than a 12 inch pizza.
FAQs
Why compare by area?+
Pizza is circular, so diameter grows area by the square of the radius.
Does topping amount matter?+
This compares plain area value only. Toppings and crust style can change real value.
How does the Pizza Size Calculator calculate the result?+
It uses the Pizza area value: Area = pi x (diameter / 2)^2; unit price = price / area. A 16 inch pizza often has much more area than a 12 inch pizza.
What information do I need to use the Pizza Size Calculator?+
Compare two pizza sizes by area and price per square inch.
How accurate is the Pizza Size Calculator?+
Pizza Size Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Pizza Size Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
Food guide
How to use the Pizza Size Calculator
Compare two pizza sizes by area and price per square inch. The page also explains the pizza area value and shows a practical example: A 16 inch pizza often has much more area than a 12 inch pizza.
- 1
Enter your details
Enter the values for the pizza size calculator scenario you want to check.
- 2
Check the calculation
Review the result alongside the pizza area value: Area = pi x (diameter / 2)^2; unit price = price / area.
- 3
Compare scenarios
Change one or more inputs to see how they affect the pizza Size Calculator result before you use the estimate.
Was this calculator useful?
0/1200