Floor Leveling Compound Volume Calculator
ANA›Life Services Authority›National Calculator Authority›Floor Leveling Compound Volume 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; } }
Floor Leveling Compound Volume Calculator
Calculate the volume and weight of self-leveling compound required to level a floor area to a specified depth.
Room Length
ft m in cm
Room Width
ft m in cm
Average Depth of Compound
in mm cm ft
Waste / Overage Factor (%)
Compound Dry Density (lb/ft³)
Typical self-leveling compound: 90–110 lb/ft³ when mixed
Bag Size (lb)
Calculate
function floToFt(value, unit) { switch(unit) { case 'ft': return value; case 'm': return value * 3.28084; case 'in': return value / 12; case 'cm': return value / 30.48; case 'mm': return value / 304.8; default: return value; } }
function floCalc() { var resultDiv = document.getElementById('flo-result'); resultDiv.style.display = 'block';
var length = parseFloat(document.getElementById('flo-length').value); var lengthUnit = document.getElementById('flo-length-unit').value; var width = parseFloat(document.getElementById('flo-width').value); var widthUnit = document.getElementById('flo-width-unit').value; var depth = parseFloat(document.getElementById('flo-depth').value); var depthUnit = document.getElementById('flo-depth-unit').value; var waste = parseFloat(document.getElementById('flo-waste').value); var density = parseFloat(document.getElementById('flo-density').value); var bagWeight = parseFloat(document.getElementById('flo-bag-weight').value);
// Validation if (isNaN(length) || length ⚠ Please enter a valid room length greater than 0.'; return; } if (isNaN(width) || width ⚠ Please enter a valid room width greater than 0.'; return; } if (isNaN(depth) || depth ⚠ Please enter a valid depth greater than 0.'; return; } if (isNaN(waste) || waste 100) { resultDiv.innerHTML = '⚠ Waste factor must be between 0 and 100%.'; return; } if (isNaN(density) || density ⚠ Please enter a valid compound density.'; return; } if (isNaN(bagWeight) || bagWeight ⚠ Please enter a valid bag weight.'; return; }
// Convert all to feet var lengthFt = floToFt(length, lengthUnit); var widthFt = floToFt(width, widthUnit); var depthFt = floToFt(depth, depthUnit);
// Core formula: Volume = Length × Width × Depth var volumeFt3 = lengthFt * widthFt * depthFt; var wasteFactor = 1 + (waste / 100); var volumeWithWaste = volumeFt3 * wasteFactor;
// Derived units var volumeYd3 = volumeWithWaste / 27; var volumeM3 = volumeWithWaste * 0.0283168; var volumeL = volumeM3 * 1000; var volumeGal = volumeWithWaste * 7.48052;
// Weight var weightLb = volumeWithWaste * density; var weightKg = weightLb * 0.453592;
// Bags needed (ceiling) var bagsNeeded = Math.ceil(weightLb / bagWeight);
// Area var areaSqFt = lengthFt * widthFt; var areaSqM = areaSqFt * 0.092903;
// Depth in inches for display var depthIn = depthFt * 12; var depthMm = depthFt * 304.8;
resultDiv.innerHTML = '### Results ' + '' + 'Floor Area' + '' + areaSqFt.toFixed(2) + ' ft² (' + areaSqM.toFixed(2) + ' m²)' + 'Depth Applied' + '' + depthIn.toFixed(3) + ' in (' + depthMm.toFixed(1) + ' mm)' + 'Net Volume (no waste)' + '' + volumeFt3.toFixed(4) + ' ft³' + 'Waste Factor' + '' + waste.toFixed(1) + '%' + 'Volume with Waste' + '' + volumeWithWaste.toFixed(4) + ' ft³ | ' + volumeYd3.toFixed(4) + ' yd³ | ' + volumeM3.toFixed(4) + ' m³ | ' + volumeL.toFixed(2) + ' L | ' + volumeGal.toFixed(2) + ' gal' + '' + 'Estimated Weight' + '' + weightLb.toFixed(1) + ' lb (' + weightKg.toFixed(1) + ' kg)' + 'Bags Required (' + bagWeight + ' lb each)' + '' + bagsNeeded + ' bag' + (bagsNeeded !== 1 ? 's' : '') + '' + ''; }
#### Formula
Net Volume (ft³) = Length (ft) × Width (ft) × Depth (ft)
Volume with Waste (ft³) = Net Volume × (1 + Waste% / 100)
Weight (lb) = Volume with Waste (ft³) × Density (lb/ft³)
Bags Needed = ⌈ Weight (lb) ÷ Bag Size (lb) ⌉ (ceiling — always round up)
Unit conversions used: 1 ft = 12 in = 30.48 cm = 304.8 mm = 0.3048 m 1 ft³ = 1/27 yd³ = 0.028317 m³ = 28.317 L = 7.4805 US gal 1 lb = 0.453592 kg
#### Assumptions & References
- The "depth" is the average pour depth across the entire area. Uneven floors may require more material in low spots.
- Default mixed density of 100 lb/ft³ is representative of common Portland-cement-based self-leveling compounds (e.g., Ardex, Mapei, Henry). Check your product's technical data sheet for the exact value.
- A 10% waste/overage factor is the industry-standard recommendation to account for spillage, uneven application, and edge losses (TCNA Handbook).
- Minimum recommended pour depth for most self-leveling compounds is 1/8 in (3 mm); maximum single-pour depth varies by product (typically 1–2 in). Consult manufacturer guidelines for deep fills.
- Bags are always rounded up (ceiling function) to ensure you purchase enough material.
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