IT Downtime Cost Calculator

function castleCalc() {
var revenue = parseFloat(document.getElementById(‘calc-revenue’).value) || 0;
var employees = parseFloat(document.getElementById(‘calc-employees’).value) || 0;
var wage = parseFloat(document.getElementById(‘calc-wage’).value) || 0;
var hours = parseFloat(document.getElementById(‘calc-hours’).value) || 8;
var multiplier = parseFloat(document.getElementById(‘calc-industry’).value) || 1.0;

if (revenue === 0 && employees === 0) {
alert(‘Please enter your monthly revenue and number of employees to calculate.’);
return;
}

// Revenue component: monthly revenue / (22 working days * 8 hours * 60 min)
var revenuePerMin = revenue / (22 * 8 * 60);

// Labor component: employees * hourly wage / 60
var laborPerMin = (employees * wage) / 60;

// Total per minute with industry multiplier
var costPerMin = (revenuePerMin + laborPerMin) * multiplier;
var costPerHour = costPerMin * 60;
var costAnnual = costPerHour * hours;

document.getElementById(‘result-minute’).textContent = ‘$’ + formatNum(costPerMin);
document.getElementById(‘result-hour’).textContent = ‘$’ + formatNum(costPerHour);
document.getElementById(‘result-annual’).textContent = ‘$’ + formatNum(costAnnual);
document.getElementById(‘result-hours-used’).textContent = hours;

// Build insights
var insights = [];
if (costPerHour > 10000) {
insights.push(‘A single 4-hour outage could cost your business over $’ + formatNum(costPerHour * 4) + ‘.’);
} else {
insights.push(‘A typical 4-hour outage would cost approximately $’ + formatNum(costPerHour * 4) + ‘.’);
}
if (costAnnual > 50000) {
insights.push(‘Your annual downtime risk is significant — proactive managed IT typically costs a fraction of this.’);
} else {
insights.push(‘Even at this level, proactive IT management pays for itself by preventing just one or two outages per year.’);
}
insights.push(‘The industry average downtime cost is $427/minute. Your business may be higher or lower based on these inputs.’);
insights.push(‘These numbers don’t include regulatory fines, data recovery costs, or customer churn — the real cost is often higher.’);

var insightHtml = insights.map(function(i){ return ‘

‘; }).join(”);
document.getElementById(‘calc-insight-list’).innerHTML = insightHtml;

var results = document.getElementById(‘calc-results’);
results.classList.add(‘show’);
results.scrollIntoView({behavior: ‘smooth’, block: ‘start’});
}

function formatNum(n) {
if (n >= 1000000) return (n/1000000).toFixed(1) + ‘M’;
if (n >= 1000) return Math.round(n).toLocaleString();
return Math.round(n).toString();
}