Flooring Square Footage Calculator
ANA›Life Services Authority›National Calculator Authority›Flooring Square Footage Calculator
.calc-container { max-width: 640px; margin: 2rem 0; padding: 1.5rem; background: #fff; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); font-family: system-ui, -apple-system, sans-serif; } .calc-container h3 { font-family: Georgia, serif; font-size: 1.15rem; color: #1a1a1a; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; } .calc-row label { min-width: 160px; font-size: 0.9rem; color: #333; font-weight: 500; } .calc-row input[type="number"], .calc-row select { flex: 1; min-width: 120px; max-width: 200px; padding: 0.5rem 0.6rem; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9rem; font-family: system-ui, sans-serif; color: #1a1a1a; background: #fafaf8; } .calc-row input:focus, .calc-row select:focus { outline: none; border-color: var(--ac, #3d5a80); box-shadow: 0 0 0 2px rgba(26,74,138,0.12); } .calc-row .unit { font-size: 0.82rem; color: #888; min-width: 30px; } .calc-btn { display: inline-block; margin-top: 0.5rem; padding: 0.55rem 1.5rem; background: var(--ac, #3d5a80); color: #fff; border: none; border-radius: 4px; font-size: 0.9rem; font-weight: 600; cursor: pointer; font-family: system-ui, sans-serif; } .calc-btn:hover { opacity: 0.9; } .calc-result { margin-top: 1.25rem; padding: 1rem 1.25rem; background: #f0f6fc; border-left: 3px solid var(--ac, #3d5a80); border-radius: 0 6px 6px 0; display: none; } .calc-result.visible { display: block; } .calc-result-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: #666; margin-bottom: 0.25rem; } .calc-result-value { font-size: 1.6rem; font-weight: 700; color: var(--ac, #3d5a80); } .calc-result-detail { font-size: 0.85rem; color: #555; margin-top: 0.5rem; line-height: 1.5; } .calc-note { margin-top: 1rem; font-size: 0.8rem; color: #888; font-style: italic; } .calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem; } .calc-grid-item { padding: 0.6rem 0.8rem; background: #f8f9fa; border-radius: 4px; border: 1px solid #eee; } .calc-grid-item .label { font-size: 0.75rem; color: #888; text-transform: uppercase; letter-spacing: 0.04em; } .calc-grid-item .value { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; } @media (max-width: 720px) { .calc-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; } .calc-row label { min-width: auto; } .calc-row input[type="number"], .calc-row select { max-width: 100%; width: 100%; } .calc-grid { grid-template-columns: 1fr; } } .calc-chart { margin: 1rem 0; text-align: center; } .calc-chart svg { max-width: 100%; height: auto; } .calc-chart-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.2rem; margin-top: 0.6rem; font-size: 0.8rem; color: #555; } .calc-chart-legend span { display: inline-flex; align-items: center; gap: 0.3rem; } .calc-chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; font-style: normal; } .calc-related { max-width: 640px; margin: 2rem 0 1rem; padding: 1.25rem 1.5rem; background: #f8f9fa; border: 1px solid #e8e8e8; border-radius: 8px; } .calc-related h3 { font-family: Georgia, serif; font-size: 1rem; color: #1a1a1a; margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-related-list { list-style: none; padding: 0; margin: 0 0 0.75rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 1.5rem; } .calc-related-list li a { font-size: 0.88rem; color: var(--ac, #3d5a80); text-decoration: none; } .calc-related-list li a:hover { text-decoration: underline; } .calc-browse-all { margin: 0.5rem 0 0; font-size: 0.9rem; font-weight: 600; } .calc-browse-all a { color: var(--ac, #3d5a80); text-decoration: none; } .calc-browse-all a:hover { text-decoration: underline; } @media (max-width: 720px) { .calc-related-list { grid-template-columns: 1fr; } }
Flooring Square Footage Calculator
Calculate the total flooring material needed for your room, including an adjustable waste factor for cuts and mistakes.
Room Length (feet)
Room Width (feet)
Waste Factor (%)
Price per Square Foot ($) (optional)
Calculate
function floCalc() { var resultDiv = document.getElementById('flo-result'); var length = parseFloat(document.getElementById('flo-length').value); var width = parseFloat(document.getElementById('flo-width').value); var waste = parseFloat(document.getElementById('flo-waste').value); var price = parseFloat(document.getElementById('flo-price').value);
// --- Validation --- if (isNaN(length) || length Please enter a valid room length greater than 0.'; resultDiv.style.display = 'block'; return; } if (isNaN(width) || width Please enter a valid room width greater than 0.'; resultDiv.style.display = 'block'; return; } if (isNaN(waste) || waste 50) { resultDiv.innerHTML = 'Waste factor must be between 0% and 50%.'; resultDiv.style.display = 'block'; return; }
// --- Core Formula --- // Base area (sq ft) var baseArea = length * width;
// Total area with waste factor // totalArea = baseArea * (1 + waste / 100) var totalArea = baseArea * (1 + waste / 100);
// Convert to square yards (1 sq yd = 9 sq ft) var totalSqYards = totalArea / 9;
// Number of 12x12 inch tiles needed (each tile = 1 sq ft) var tilesNeeded = Math.ceil(totalArea);
// Optional cost estimate var costHTML = ''; if (!isNaN(price) && price > 0) { var totalCost = totalArea * price; costHTML = 'Estimated Material Cost$' + totalCost.toFixed(2) + ''; }
resultDiv.innerHTML = '' + 'MeasurementValue' + 'Room Base Area' + baseArea.toFixed(2) + ' sq ft' + 'Waste Factor Applied' + waste.toFixed(1) + '%' + 'Total Flooring Needed' + totalArea.toFixed(2) + ' sq ft' + 'Total in Square Yards' + totalSqYards.toFixed(2) + ' sq yd' + '12×12 Tiles Needed' + tilesNeeded + ' tiles' + costHTML + ''; resultDiv.style.display = 'block'; }
#### Formula
Base Area = Length (ft) × Width (ft)
Total Flooring Needed = Base Area × (1 + Waste Factor / 100)
Square Yards = Total Flooring Needed ÷ 9
12×12 Tiles = ⌈Total Flooring Needed⌉ (rounded up to nearest whole tile)
Estimated Cost = Total Flooring Needed × Price per Square Foot
#### Assumptions & References
- A waste factor of 10% is the industry standard for straight-lay flooring installations. Diagonal or herringbone patterns typically require 15–20%.
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