Calculating your price per square inch is straightforward once you know the Pizza Value formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the Pizza Value Calculator.
What is Pizza Value?
The Pizza Value calculation tells you your price per square inch from a few simple inputs. The figure you are solving for here is the price per square inch, expressed in INR.
The Pizza Value formula
The core formula is:
Price per square inch = Price ÷ (3.141592653589793 × (Pizza diameter ÷ 2)^(2))Here is what each input means:
- Pizza diameter — a value measured in inches. Example: 12 inches.
- Price — a money amount. Example: ₹400.
How to calculate it step by step
- Write down the pizza diameter (for example, 12 inches).
- Write down the price (for example, ₹400).
- Apply the formula above to get your price per square inch.
- Double-check the result with the Pizza Value Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| Pizza diameter | 12 inches |
| Price | ₹400 |
| Price per square inch | ₹3.54 |
| Pizza area | 113.1 |
With pizza diameter of 12 inches and price of ₹400, the price per square inch works out to ₹3.54.
Example 2
With pizza diameter of 24 inches and price of ₹400, the price per square inch works out to ₹0.88.
| Result | Value |
|---|---|
| Price per square inch | ₹0.88 |
| Pizza area | 452.4 |
Example 3
With pizza diameter of 6 inches and price of ₹400, the price per square inch works out to ₹14.15.
| Result | Value |
|---|---|
| Price per square inch | ₹14.15 |
| Pizza area | 28.3 |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
Prefer not to do the maths by hand? — the Pizza Value Calculator does it instantly, for free, with the formula and a worked example built in.
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