Pizza Cost Per Slice Calculator
Understanding Pizza Cost Per Slice
Ever wondered if that extra-large pizza is really a better deal than two mediums?
Our Pizza Cost Per Slice Calculator helps you break down the true cost of your pizza purchase.
By inputting the pizza's diameter, its total price, and how many slices you intend to cut it into,
you can easily determine the cost of each individual slice.
The calculator uses the following logic:
- It first calculates the area of the pizza using the formula for the area of a circle: Area = π * (radius)^2. The radius is half of the diameter.
- Then, it determines the cost per square inch by dividing the total pizza price by its area.
- Finally, it calculates the cost per slice by dividing the total pizza price by the number of slices. This gives you a direct comparison of slice costs.
This tool is perfect for making informed decisions at your next pizza party, comparing different pizza sizes, or simply satisfying your curiosity!
.calculator-container {
font-family: sans-serif;
border: 1px solid #ddd;
padding: 20px;
border-radius: 8px;
max-width: 600px;
margin: 20px auto;
background-color: #f9f9f9;
}
.calculator-container h2, .calculator-container h3 {
text-align: center;
color: #333;
}
.calculator-inputs {
margin-top: 20px;
display: grid;
grid-template-columns: 1fr;
gap: 15px;
}
.input-group {
display: flex;
flex-direction: column;
}
.input-group label {
margin-bottom: 5px;
font-weight: bold;
color: #555;
}
.input-group input {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1em;
}
.calculator-container button {
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1.1em;
transition: background-color 0.3s ease;
width: 100%;
}
.calculator-container button:hover {
background-color: #0056b3;
}
.calculator-result {
margin-top: 25px;
padding: 15px;
background-color: #e9ecef;
border: 1px solid #ced4da;
border-radius: 4px;
text-align: center;
font-size: 1.2em;
font-weight: bold;
color: #333;
}
.calculator-explanation {
margin-top: 30px;
padding-top: 20px;
border-top: 1px solid #eee;
font-size: 0.95em;
line-height: 1.6;
color: #444;
}
.calculator-explanation ol {
margin-left: 20px;
margin-top: 10px;
}
.calculator-explanation strong {
color: #333;
}
function calculatePizzaCost() {
var diameter = parseFloat(document.getElementById("pizzaDiameter").value);
var price = parseFloat(document.getElementById("pizzaPrice").value);
var slices = parseInt(document.getElementById("slicesPerPizza").value);
var resultDiv = document.getElementById("result");
if (isNaN(diameter) || isNaN(price) || isNaN(slices) || diameter <= 0 || price < 0 || slices <= 0) {
resultDiv.textContent = "Please enter valid positive numbers for all fields.";
return;
}
var radius = diameter / 2;
var area = Math.PI * radius * radius;
var costPerSquareInch = price / area;
var costPerSlice = price / slices;
resultDiv.innerHTML = "Cost Per Slice:
$" + costPerSlice.toFixed(2) + "" +
"Cost Per Square Inch:
$" + costPerSquareInch.toFixed(3) + "";
}