How to Calculate Pizza Size
What is Pizza Size?
A pizza size calculator compares the area and value of different pizza sizes, revealing whether a larger pizza is genuinely better value. Because pizza area grows with the square of the radius (πr²), a 16-inch pizza contains significantly more than twice the pizza of a 10-inch.
Formula
- A
- π × (diameter / 2)² — π × (diameter / 2)²
Step-by-Step Guide
- 1Calculate the area of each pizza: A = π × (diameter / 2)²
- 2Calculate price per square inch: Price ÷ Area
- 3The pizza with the lower price per square inch is better value
Worked Examples
Frequently Asked Questions
What is Pizza Size?
A pizza size calculator compares the area and value of different pizza sizes, revealing whether a larger pizza is genuinely better value. Because pizza area grows with the square of the radius (πr²), a 16-inch pizza contains significantly more than twice the pizza of a 10-inch
How accurate is the Pizza Size calculator?
The calculator uses the standard published formula for pizza size. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Pizza Size calculator use?
This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Pizza Size calculator use?
The core formula is: Calculate the area of each pizza: A = π × (diameter / 2)². Each step in the calculation is shown so you can verify the result manually.
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