Extermination ROI Calculator
ANA›Life Services Authority›National Calculator Authority›Extermination ROI Calculator
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Extermination ROI Calculator
Estimate the financial return on investing in professional pest extermination services by comparing treatment costs against potential losses from untreated infestations.
Total Treatment Cost ($)
Property Value ($)
Estimated Property Damage Without Treatment (% of property value)
Annual Business/Productivity Loss Without Treatment ($/year)
Estimated Health/Medical Costs Avoided ($/year)
Treatment Effectiveness Period (years)
Annual Recurring Maintenance Cost ($/year, 0 if one-time)
Calculate ROI
function extCalc() { var resultDiv = document.getElementById('ext-result');
var treatmentCost = parseFloat(document.getElementById('ext-treatment-cost').value); var propertyValue = parseFloat(document.getElementById('ext-property-value').value); var damagePct = parseFloat(document.getElementById('ext-damage-pct').value); var annualLoss = parseFloat(document.getElementById('ext-annual-loss').value); var healthCost = parseFloat(document.getElementById('ext-health-cost').value); var years = parseFloat(document.getElementById('ext-treatment-years').value); var recurringCost = parseFloat(document.getElementById('ext-recurring-cost').value);
// Validation if (isNaN(treatmentCost) || treatmentCost Please enter a valid treatment cost (>= 0).'; return; } if (isNaN(propertyValue) || propertyValue Please enter a valid property value (> 0).'; return; } if (isNaN(damagePct) || damagePct 100) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Damage percentage must be between 0 and 100.'; return; } if (isNaN(annualLoss) || annualLoss Please enter a valid annual loss (>= 0).'; return; } if (isNaN(healthCost) || healthCost Please enter a valid health cost (>= 0).'; return; } if (isNaN(years) || years Treatment effectiveness period must be > 0.'; return; } if (isNaN(recurringCost) || recurringCost Please enter a valid recurring cost (>= 0).'; return; }
// ── Core Formulas ────────────────────────────────────────────────────────── // 1. Property damage avoided (one-time structural savings) var propertyDamageAvoided = propertyValue * (damagePct / 100);
// 2. Total productivity / business loss avoided over the period var totalProductivitySaved = annualLoss * years;
// 3. Total health cost savings over the period var totalHealthSaved = healthCost * years;
// 4. Total benefits var totalBenefits = propertyDamageAvoided + totalProductivitySaved + totalHealthSaved;
// 5. Total investment cost // Initial treatment + recurring maintenance over the period var totalInvestment = treatmentCost + (recurringCost * years);
// 6. Net benefit var netBenefit = totalBenefits - totalInvestment;
// 7. ROI (%) = (Net Benefit / Total Investment) * 100 var roi = (totalInvestment > 0) ? (netBenefit / totalInvestment) * 100 : 0;
// 8. Benefit-Cost Ratio (BCR) var bcr = (totalInvestment > 0) ? totalBenefits / totalInvestment : 0;
// 9. Simple payback period (years) = Total Investment / (Total Benefits / years) var annualBenefit = totalBenefits / years; var payback = (annualBenefit > 0) ? totalInvestment / annualBenefit : Infinity;
// ── Format helpers ───────────────────────────────────────────────────────── function fmt(n) { return n.toLocaleString('en-US', {minimumFractionDigits: 2, maximumFractionDigits: 2}); }
var roiColor = roi >= 0 ? '#2e7d32' : '#c62828'; var roiLabel = roi >= 0 ? 'Positive ROI ✔' : 'Negative ROI ✘'; var paybackStr = isFinite(payback) ? fmt(payback) + ' years' : 'N/A (no measurable benefit)';
resultDiv.style.display = 'block'; resultDiv.innerHTML = '### Extermination ROI Results ' + '' + 'Property Damage Avoided$' + fmt(propertyDamageAvoided) + '' + 'Productivity / Business Loss Saved (' + years + ' yr)$' + fmt(totalProductivitySaved) + '' + 'Health Cost Savings (' + years + ' yr)$' + fmt(totalHealthSaved) + '' + 'Total Benefits$' + fmt(totalBenefits) + '' + 'Total Investment (Initial + Recurring)$' + fmt(totalInvestment) + '' + 'Net Benefit$' + fmt(netBenefit) + '' + 'ROI' + fmt(roi) + '% — ' + roiLabel + '' + 'Benefit-Cost Ratio (BCR)' + fmt(bcr) + '' + 'Simple Payback Period' + paybackStr + '' + ''; }
#### Formulas Used
Property Damage Avoided = Property Value × (Damage % ÷ 100)
Total Productivity Saved = Annual Business Loss × Effectiveness Period (years)
Total Health Savings = Annual Health Cost × Effectiveness Period (years)
Total Benefits = Property Damage Avoided + Total Productivity Saved + Total Health Savings
Total Investment = Initial Treatment Cost + (Annual Recurring Cost × Effectiveness Period)
Net Benefit = Total Benefits − Total Investment
ROI (%) = (Net Benefit ÷ Total Investment) × 100
Benefit-Cost Ratio (BCR) = Total Benefits ÷ Total Investment
Simple Payback Period = Total Investment ÷ (Total Benefits ÷ Effectiveness Period)
#### Assumptions & References
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