Theoretical Chemical Oxygen Demand (ThOD) Calculator Chemical Formula (e.g., C6H12O6): Compound Concentration (mg/L): Calculate ThOD function calculateCOD() { var chemicalFormula = document.getElementById(“chemicalFormula”).value.trim(); var compoundConcentration = parseFloat(document.getElementById(“compoundConcentration”).value); var resultDiv = document.getElementById(“codResult”); if (isNaN(compoundConcentration) || compoundConcentration < 0) { resultDiv.innerHTML = "Please…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

SEO Content ROI Calculator Estimate the potential return on investment for your SEO content strategy. Cost per Content Piece ($): Number of Content Pieces: Avg. Monthly Organic Traffic per Piece: Average Conversion Rate (%): Average Value per Conversion ($): Content…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Customer Lifetime Value (CLV) Calculator Average Purchase Value ($): Average Purchase Frequency (per year): Customer Lifespan (years): Profit Margin (%): Calculate CLV Estimated Customer Lifetime Value: Enter values and click ‘Calculate CLV’. function calculateCLV() { var avgPurchaseValue = parseFloat(document.getElementById(‘avgPurchaseValue’).value); var…

Combination & Permutation Calculator Total Number of Items (n): Number of Items to Choose (k): Calculate Results: Permutations (P(n, k)): 0 Combinations (C(n, k)): 0 function factorial(num) { if (num < 0) return NaN; if (num === 0 || num…

Cloud Platform Cost Estimator Use this calculator to estimate your monthly cloud infrastructure costs based on common resource usage metrics. This tool helps you understand the financial implications of your compute, storage, and data transfer needs. Number of Compute Instances:…

CKD Stage Calculator Serum Creatinine (mg/dL): Age (years): Sex: Male Female Calculate CKD Stage Understanding Chronic Kidney Disease (CKD) and eGFR Chronic Kidney Disease (CKD) is a progressive condition characterized by a gradual loss of kidney function over time. Your…

Click-Through Rate (CTR) Calculator Total Clicks: Total Impressions: Calculate CTR Your Click-Through Rate: function calculateCTR() { var totalClicksInput = document.getElementById(“totalClicks”).value; var totalImpressionsInput = document.getElementById(“totalImpressions”).value; var ctrResultDiv = document.getElementById(“ctrResult”); var totalClicks = parseFloat(totalClicksInput); var totalImpressions = parseFloat(totalImpressionsInput); if (isNaN(totalClicks) || isNaN(totalImpressions)…