Epoxy Floor Coating Thickness Calculator
ANA›Life Services Authority›National Calculator Authority›Epoxy Floor Coating Thickness 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; } }
Epoxy Floor Coating Thickness Calculator
Calculate dry film thickness (DFT), wet film thickness (WFT), and material volume required for epoxy floor coating projects.
Floor Area (ft²)
Desired Dry Film Thickness – DFT (mils)
Volume Solids of Epoxy (%)
Number of Coats
Waste / Loss Factor (%)
Calculate
function epoCalc() { var resultDiv = document.getElementById('epo-result');
var area = parseFloat(document.getElementById('epo-area').value); var dft = parseFloat(document.getElementById('epo-dft').value); var vs = parseFloat(document.getElementById('epo-vs').value); var coats = parseInt(document.getElementById('epo-coats').value); var waste = parseFloat(document.getElementById('epo-waste').value);
// --- Validation --- if (isNaN(area) || area 100) { resultDiv.innerHTML = 'Volume solids must be between 1% and 100%.
'; return; } if (isNaN(coats) || coats 60) { resultDiv.innerHTML = 'Waste factor must be between 0% and 60%.
'; return; }
// --- Core Formulas --- // WFT per coat (mils) = DFT / (Volume Solids / 100) var vsFraction = vs / 100; var wftPerCoat = dft / vsFraction;
// Total WFT (mils) = WFT per coat × number of coats var totalWFT = wftPerCoat * coats;
// Theoretical coverage per gallon (ft²/gal): // 1 gallon = 231 in³; 1 mil = 0.001 inch // Coverage (ft²/gal) = (231 in³/gal × VS%) / (WFT in inches × 144 in²/ft²) // Simplified standard formula: Coverage = 1604 × VS% / WFT(mils) var theoreticalCoverage = (1604 * vsFraction) / wftPerCoat; // ft²/gal per coat
// Actual coverage accounting for waste var wasteFactor = 1 + waste / 100; var actualCoverage = theoreticalCoverage / wasteFactor; // ft²/gal per coat
// Gallons needed per coat var gallonsPerCoat = area / actualCoverage;
// Total gallons for all coats var totalGallons = gallonsPerCoat * coats;
// Total volume in liters (1 gal = 3.78541 L) var totalLiters = totalGallons * 3.78541;
// Total DFT (all coats combined) var totalDFT = dft * coats;
// Convert mils to microns (1 mil = 25.4 µm) var dftMicrons = dft * 25.4; var wftMicrons = wftPerCoat * 25.4; var totalDFTMicrons = totalDFT * 25.4;
// --- Output --- resultDiv.innerHTML = '### Results ' + '' + 'ParameterValue' + 'WFT per Coat' + wftPerCoat.toFixed(2) + ' mils (' + wftMicrons.toFixed(1) + ' µm)' + 'DFT per Coat' + dft.toFixed(2) + ' mils (' + dftMicrons.toFixed(1) + ' µm)' + 'Total DFT (' + coats + ' coat' + (coats > 1 ? 's' : '') + ')' + totalDFT.toFixed(2) + ' mils (' + totalDFTMicrons.toFixed(1) + ' µm)' + 'Theoretical Coverage (per coat)' + theoreticalCoverage.toFixed(1) + ' ft²/gal' + 'Actual Coverage with ' + waste + '% Waste (per coat)' + actualCoverage.toFixed(1) + ' ft²/gal' + 'Gallons per Coat' + gallonsPerCoat.toFixed(2) + ' gal' + 'Total Gallons (' + coats + ' coat' + (coats > 1 ? 's' : '') + ')' + totalGallons.toFixed(2) + ' gal' + 'Total Volume (Liters)' + totalLiters.toFixed(2) + ' L' + ''; }
#### Formulas Used
Wet Film Thickness (WFT) per coat: WFT (mils) = DFT (mils) ÷ (Volume Solids / 100)
Theoretical Coverage: Coverage (ft²/gal) = 1,604 × (Volume Solids / 100) ÷ WFT (mils) Derived from: 1 US gallon = 231 in³; 1 mil = 0.001 in; 1 ft² = 144 in² → 231 ÷ (0.001 × 144) = 1,604.17 ≈ 1,604
Actual Coverage (with waste): Actual Coverage = Theoretical Coverage ÷ (1 + Waste% / 100)
Total Gallons Required: Total Gallons = (Floor Area ÷ Actual Coverage) × Number of Coats
Unit Conversions: 1 mil = 25.4 µm | 1 US gallon = 3.78541 liters
#### Assumptions & References
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