Carpet Restretching Area Calculator
ANA›Life Services Authority›National Calculator Authority›Carpet Restretching Area 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; } }
Carpet Restretching Area Calculator
Calculate the total carpet area requiring restretching across multiple rooms. Enter each room's dimensions to get the total square footage and estimated restretching cost.
Number of Rooms
1 Room 2 Rooms 3 Rooms 4 Rooms 5 Rooms
Measurement Unit
Feet (ft) Meters (m) Inches (in) Yards (yd)
Restretching Cost Rate (per sq ft)
$
Typical range: $0.25–$0.75 per sq ft
Waste / Overlap Factor (%)
Extra area buffer for edges and overlaps (typically 5–10%)
Calculate
#### Formula
Room Area (sq ft) = Length × Width
Total Raw Area = Σ (Room Areai) for all rooms
Adjusted Area = Total Raw Area × (1 + Waste Factor / 100)
Estimated Cost = Adjusted Area × Cost Rate per sq ft
Unit conversions applied before calculation:
#### Assumptions & References
- Restretching cost typically ranges from $0.25 to $0.75 per sq ft depending on region and carpet condition.
- A waste/overlap factor of 5–10% is recommended to account for edges, tack strips, and irregular room shapes.
- Carpet restretching is generally recommended every 5–10 years or when visible ripples/buckles appear.
(function() { function carToFeet(value, unit) { if (unit === 'ft') return value; if (unit === 'in') return value / 12; if (unit === 'm') return value * 3.28084; if (unit === 'yd') return value * 3; return value; }
window.carUpdateRooms = function() { var n = parseInt(document.getElementById('car-num-rooms').value) || 1; var container = document.getElementById('car-rooms-container'); container.innerHTML = ''; for (var i = 1; i Room ' + i + '' + '' + '' + 'Length' + '' + '' + '' + 'Width' + '' + '' + ''; container.appendChild(div); } };
window.carCalc = function() { var resultDiv = document.getElementById('car-result'); var n = parseInt(document.getElementById('car-num-rooms').value) || 1; var unit = document.getElementById('car-unit').value; var costRate = parseFloat(document.getElementById('car-cost-rate').value); var wastePct = parseFloat(document.getElementById('car-waste').value);
// Validate cost rate if (isNaN(costRate) || costRate ⚠ Please enter a valid cost rate greater than 0.'; return; }
// Validate waste factor if (isNaN(wastePct) || wastePct 50) { resultDiv.style.display = 'block'; resultDiv.innerHTML = '⚠ Waste factor must be between 0% and 50%.'; return; }
var unitLabel = unit === 'ft' ? 'ft' : unit === 'm' ? 'm' : unit === 'in' ? 'in' : 'yd'; var rooms = []; var totalRawFt2 = 0; var errors = [];
for (var i = 1; i 0) { resultDiv.style.display = 'block'; resultDiv.innerHTML = '⚠ ' + errors.join('⚠ ') + ''; return; }
if (rooms.length === 0) { resultDiv.style.display = 'block'; resultDiv.innerHTML = '⚠ Please enter dimensions for at least one room.'; return; }
var adjustedFt2 = totalRawFt2 * (1 + wastePct / 100); var adjustedYd2 = adjustedFt2 / 9; var estimatedCost = adjustedFt2 * costRate;
// Build room breakdown rows var rowsHtml = ''; for (var r = 0; r ' + 'Room ' + rm.index + '' + '' + rm.length.toFixed(2) + ' ' + unitLabel + '' + '' + rm.width.toFixed(2) + ' ' + unitLabel + '' + '' + rm.areaOrigUnit.toFixed(2) + ' ' + unitLabel + '²' + '' + rm.areaFt2.toFixed(2) + ' ft²' + ''; }
resultDiv.style.display = 'block'; resultDiv.innerHTML = '### Carpet Restretching Results ' +
'' + '' + '' + 'Room' + 'Length' + 'Width' + 'Area (' + unitLabel + '²)' + 'Area (ft²)' + '' + '' + '' + rowsHtml + '' + '' +
'' +
'' + 'Total Raw Area' + '' + totalRawFt2.toFixed(2) + ' ft²' + '' + (totalRawFt2 / 9).toFixed(2) + ' yd²' + '' +
'' + 'Adjusted Area (+' + wastePct.toFixed(1) + '% waste)' + '' + adjustedFt2.toFixed(2) + ' ft²' + '' + adjustedYd2.toFixed(2) + ' yd²' + '' +
'' + 'Estimated Cost' + '$' + estimatedCost.toFixed(2) + '' + '@ $' + costRate.toFixed(2) + '/ft²' + '' +
'' + 'Rooms Calculated' + '' + rooms.length + '' + 'room' + (rooms.length !== 1 ? 's' : '') + '' + '' +
'' +
'' + 'Calculation Summary:' + 'Total Raw Area: ' + totalRawFt2.toFixed(4) + ' ft²' + 'Waste Factor: ' + wastePct.toFixed(1) + '% → +' + (totalRawFt2 * wastePct / 100).toFixed(4) + ' ft²' + 'Adjusted Area: ' + adjustedFt2.toFixed(4) + ' ft² (' + adjustedYd2.toFixed(4) + ' yd²)' + 'Cost: ' + adjustedFt2.toFixed(4) + ' ft² × $' + costRate.toFixed(2) + '/ft² = $' + estimatedCost.toFixed(2) + '' + ''; };
// Initialize with 1 room on load window.carUpdateRooms(); })();
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