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Pizza Size Calculator
Compare pizzas by area (π × r²) — a 16" pizza has 2.5× the area of a 10". Calculate cost per square inch for value shopping.
LIFESTYLECompare pizzas by area (π × r²) — a 16" pizza has 2.5× the area of a 10". Calculate cost per square inch for value shopping.
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
Disclaimer: Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Pizza Size Calculator (Area & Value)
A 16" pizza has 78% more area than a 12" — diameter doubles, area quadruples. Compare value per square inch to find the best deal.
Better Value
Pizza #2
#1 area113 sq in (0.133/sq in)
#2 area201 sq in (0.109/sq in)
#2 is 1.78× the area of #1
Frequently Asked Questions
What is the Pizza Size Calculator for?
Compare pizzas by area (π × r²) — a 16" pizza has 2.5× the area of a 10". Calculate cost per square inch for value shopping.
How do I use the Pizza Size Calculator?
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
How accurate are my pizza size results?
Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Is the Pizza Size Calculator free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.