Tile Calculator for Flooring & Walls
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.6;
color: #333;
max-width: 1200px;
margin: 0 auto;
padding: 20px;
background-color: #f9f9f9;
}
.calculator-wrapper {
background: #ffffff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0,0,0,0.1);
padding: 30px;
margin-bottom: 40px;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 30px;
}
@media (max-width: 768px) {
.calculator-wrapper {
grid-template-columns: 1fr;
}
}
.calc-inputs {
padding-right: 20px;
border-right: 1px solid #eee;
}
@media (max-width: 768px) {
.calc-inputs {
padding-right: 0;
border-right: none;
border-bottom: 1px solid #eee;
padding-bottom: 20px;
}
}
.form-group {
margin-bottom: 20px;
}
.form-group label {
display: block;
font-weight: 600;
margin-bottom: 8px;
color: #2c3e50;
}
.form-group input, .form-group select {
width: 100%;
padding: 12px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.form-row {
display: flex;
gap: 15px;
}
.form-row .form-group {
flex: 1;
}
button.calc-btn {
background-color: #2ecc71;
color: white;
border: none;
padding: 15px 30px;
font-size: 18px;
font-weight: bold;
border-radius: 4px;
cursor: pointer;
width: 100%;
transition: background 0.3s;
}
button.calc-btn:hover {
background-color: #27ae60;
}
.results-area {
background-color: #f8fcf9;
padding: 20px;
border-radius: 6px;
border: 1px solid #e0e0e0;
}
.result-box {
margin-bottom: 20px;
text-align: center;
padding: 15px;
background: white;
border-radius: 6px;
box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.result-label {
font-size: 14px;
text-transform: uppercase;
letter-spacing: 1px;
color: #7f8c8d;
margin-bottom: 5px;
}
.result-value {
font-size: 32px;
font-weight: 800;
color: #2c3e50;
}
.result-sub {
font-size: 13px;
color: #95a5a6;
}
.seo-content {
background: #fff;
padding: 40px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
h2 { color: #2c3e50; margin-top: 0; }
h3 { color: #34495e; margin-top: 25px; }
p { margin-bottom: 15px; }
ul { margin-bottom: 20px; padding-left: 20px; }
li { margin-bottom: 8px; }
.highlight { background-color: #e8f6f3; padding: 2px 5px; border-radius: 3px; }
Estimated Materials
Total Tiles Needed
0
Includes 10% waste factor
Total Area to Cover
0 sq. ft.
Net Area: 0 sq. ft.
Estimated Cost
$0.00
Before tax & labor
How to Use This Tile Calculator
Planning a flooring or wall renovation requires precise calculations to avoid running out of materials or overspending. Our Tile Calculator helps you determine exactly how many tiles you need for your project, factoring in room dimensions, tile size, and a safety margin for cuts and waste.
Why Include a Waste Factor?
One of the most common mistakes in DIY tiling projects is ordering the exact square footage of the room. Professional tilers always recommend ordering extra material. Here is why our calculator includes a selectable waste percentage:
- Standard (10%): Recommended for most rectangular rooms with straightforward layouts.
- Complex (15-20%): Necessary if you are laying tiles diagonally, have a room with many corners/pillars, or are using a pattern that requires significant cutting.
- Breakage: Tiles can crack during shipping or while being cut. Having spares ensures you don't have to pause your project to buy more.
Calculating Square Footage Manually
If you need to calculate the area manually, the formula is simple: Length × Width = Area. However, ensure all units are consistent. If measuring in feet, your result is in square feet. Since tiles are often sold in inches, you must convert the tile area to square feet by dividing by 144 (12×12).
Formula: (Room Area in Sq Ft) / (Tile Area in Sq Ft) = Raw Tiles Needed
Choosing the Right Tile Size
The size of your tile dramatically affects the visual perception of the space. Large format tiles (e.g., 12″x24″ or 24″x24″) can make a small room feel larger by reducing grout lines. Smaller tiles (mosaics or subway tiles) add texture and are excellent for shower floors where slip resistance is a priority.
function calculateTiles() {
// 1. Get Input Values
var rLength = document.getElementById('roomLength').value;
var rWidth = document.getElementById('roomWidth').value;
var tLength = document.getElementById('tileLength').value;
var tWidth = document.getElementById('tileWidth').value;
var waste = document.getElementById('wasteFactor').value;
var price = document.getElementById('pricePerSqFt').value;
// 2. Validation
if (rLength === "" || rWidth === "" || tLength === "" || tWidth === "") {
alert("Please enter all dimension fields to calculate.");
return;
}
var roomL = parseFloat(rLength);
var roomW = parseFloat(rWidth);
var tileL = parseFloat(tLength);
var tileW = parseFloat(tWidth);
var wastePct = parseFloat(waste);
var costPerSqFt = parseFloat(price);
if (tileL <= 0 || tileW <= 0) {
alert("Tile dimensions must be greater than zero.");
return;
}
// 3. Calculation Logic
// Calculate Room Area in Square Feet
var roomArea = roomL * roomW;
// Calculate Tile Area in Square Feet (Inputs are in inches)
var oneTileAreaSqFt = (tileL * tileW) / 144;
// Calculate raw number of tiles needed
var rawTiles = roomArea / oneTileAreaSqFt;
// Add Waste Factor
var totalTilesNeeded = Math.ceil(rawTiles * (1 + (wastePct / 100)));
// Calculate Total Area being purchased (based on tiles needed)
var totalAreaPurchased = totalTilesNeeded * oneTileAreaSqFt;
// Calculate Cost (if price provided)
var totalProjectCost = 0;
if (!isNaN(costPerSqFt)) {
totalProjectCost = totalAreaPurchased * costPerSqFt;
}
// 4. Update UI
var resultsDiv = document.getElementById('resultsArea');
resultsDiv.style.opacity = "1";
resultsDiv.style.pointerEvents = "auto";
document.getElementById('totalTiles').innerHTML = totalTilesNeeded;
document.getElementById('wasteDisplay').innerHTML = wastePct;
// Format numbers for display
document.getElementById('totalArea').innerHTML = totalAreaPurchased.toFixed(2) + '
sq. ft.';
document.getElementById('netArea').innerText = roomArea.toFixed(2);
// Format Currency
var currencyFormatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
});
document.getElementById('totalCost').innerText = currencyFormatter.format(totalProjectCost);
}