Air Conditioning Installation Cost Calculator December 28, 2025 by SEO ROI Calculator Estimate the potential return on your SEO investment. Monthly SEO Investment ($) Estimated Monthly Organic Traffic Conversion Rate (%) Average Order Value ($) Calculate ROI Monthly Revenue: ROI: function calculateSeoRoi() { var investment = parseFloat(document.getElementById('seo-investment').value); var traffic = parseFloat(document.getElementById('seo-traffic').value); var convRate = parseFloat(document.getElementById('seo-conv-rate').value) / 100; var aov = parseFloat(document.getElementById('seo-aov').value); if (investment > 0) { var totalRevenue = traffic * convRate * aov; var netProfit = totalRevenue – investment; var roiPercentage = (netProfit / investment) * 100; document.getElementById('roi-rev-val').innerHTML = '$' + totalRevenue.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('roi-pct-val').innerHTML = roiPercentage.toFixed(2) + '%'; document.getElementById('seo-roi-output').style.display = 'block'; } else { alert('Please enter a valid investment amount.'); } }