Pizza Size Calculator
Pizza sizes can be deceptive! Compare actual area and cost per square inch for different pizza diameters. See which size gives you the most pizza for your money โ the 14-inch often beats two 10-inch pies.
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About Pizza Size Calculator
Pizza Size Calculator is a free online tool. Enter diameter and price to compare actual area and cost per square inch across different pizza sizes. Find the best value pizza instantly. All calculations run locally in your browser.
Pizza Size Calculator in 3 steps
- Enter the pizza diameter in inches (e.g., 12 for a 12-inch pizza)
- Enter the price to calculate cost per square inch
- Click "Calculate" to see area, unit price, and size comparisons
Why is a 12" pizza bigger than two 6" pizzas?
Area scales with the square of diameter. A 12" pizza has ~113 sq in while a 6" has only 28 sq in โ one 12" equals four 6" pizzas!
Is this calculator accurate?
Uses the standard circle area formula ฯrยฒ for precise results.