House Cleaning Frequency Calculator
ANA›Life Services Authority›National Calculator Authority›House Cleaning Frequency 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; } }
House Cleaning Frequency Calculator
Find out how often you should clean different areas of your home based on your household profile.
Number of People in Household
Number of Pets
Home Size (sq ft)
Allergy/Asthma Sufferers in Household
None 1 person 2+ people
Lifestyle / Activity Level
Low (mostly away from home) Medium (average time at home) High (work/stay at home)
Children Under 12?
No Yes
Calculate Cleaning Schedule
function houCalc() { var people = parseFloat(document.getElementById('hou-people').value); var pets = parseFloat(document.getElementById('hou-pets').value); var homeSize = parseFloat(document.getElementById('hou-home-size').value); var allergies = parseInt(document.getElementById('hou-allergies').value); var lifestyle = document.getElementById('hou-lifestyle').value; var children = parseInt(document.getElementById('hou-children').value);
var resultDiv = document.getElementById('hou-result');
// --- Input Validation --- if (isNaN(people) || people 20) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Please enter a valid number of people (1–20).'; return; } if (isNaN(pets) || pets 20) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Please enter a valid number of pets (0–20).'; return; } if (isNaN(homeSize) || homeSize 20000) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Please enter a valid home size (100–20,000 sq ft).'; return; }
// --- Dirt Load Score (DLS) --- // Base score from people: 1 point per person var dls = people * 1.0;
// Pets add significant dirt/dander: 1.5 points per pet dls += pets * 1.5;
// Allergy sufferers increase cleaning urgency if (allergies === 1) dls += 1.5; if (allergies >= 2) dls += 3.0;
// Lifestyle multiplier var lifestyleMultiplier = 1.0; if (lifestyle === 'low') lifestyleMultiplier = 0.75; if (lifestyle === 'high') lifestyleMultiplier = 1.35; dls *= lifestyleMultiplier;
// Children add mess factor if (children === 1) dls += 2.0;
// Home size factor: larger homes accumulate more dust // Normalized around 1200 sq ft baseline var sizeFactor = homeSize / 1200; dls *= sizeFactor;
// --- Frequency Mapping --- // Each task has a base interval (days). DLS reduces the interval. // Formula: adjustedDays = baseDays / (1 + k * DLS) // k is a sensitivity constant tuned per task.
function adjustedFreq(baseDays, k) { var adj = baseDays / (1 + k * dls); return Math.max(1, Math.round(adj)); }
function daysToLabel(days) { if (days ' + name + '' + '' + label + '' + 'every ' + adjDays + ' day(s)'; }
// Estimated weekly cleaning hours // Base: 0.5 hr per task per occurrence per week var weeklyHours = 0; for (var j = 0; j ' + '' + 'Cleaning Task' + 'Recommended Frequency' + 'Interval' + '' + rows + '' + '' + 'DLS = (People × 1.0 + Pets × 1.5 + Allergy Bonus + Children Bonus) × Lifestyle Multiplier × (Home Size / 1200)' + 'Adjusted Interval = Base Days ÷ (1 + k × DLS), where k is task-specific sensitivity.' + '
'; }
#### Formula
Dirt Load Score (DLS):
DLS = [ (People × 1.0) + (Pets × 1.5) + Allergy Bonus + Children Bonus ] × Lifestyle Multiplier × (Home Size ÷ 1200)
Adjusted Cleaning Interval (days):
Interval = Base Days ÷ (1 + k × DLS)
Where k is a task-specific sensitivity constant (0.02–0.10) reflecting how quickly that task's urgency grows with dirt load. A higher DLS compresses the interval, meaning more frequent cleaning is recommended.
#### Assumptions & References
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