Here's a comprehensive AWS DevOps Total Cost of Ownership (TCO) Calculator that helps estimate the complete cost of implementing and maintaining DevOps practices in AWS: AWS DevOps TCO Calculator

AWS DevOps TCO Calculator

Infrastructure

Personnel

Tools

Results

Infrastructure Costs

EC2 Instances:

Avg. EC2 Cost/Month ($):

Expected Savings (%):

Lambda Invocations/Month:

Cost per 1M Invocations ($):

Expected Savings (%):

RDS Instances:

Avg. RDS Cost/Month ($):

Expected Savings (%):

Personnel Costs

DevOps Engineers:

Avg. Salary ($):

Overhead (%):

Developers:

Avg. Salary ($):

Productivity Gain (%):

Tools & Services

CI/CD Tools (CodePipeline, etc.):

Monitoring (CloudWatch, etc.):

Other Tools:

Training Costs ($/year):

Migration Costs ($):

Other Costs ($/year):

TCO Analysis

Total Annual Infrastructure Cost

Total Annual Personnel Cost

Total Annual Tools Cost

Total Annual Savings

3-Year TCO

// Tab functionality document.querySelectorAll('.tab').forEach(tab => { tab.addEventListener('click', () => { document.querySelectorAll('.tab').forEach(t => t.classList.remove('active')); document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active')); tab.classList.add('active'); document.getElementById(tab.dataset.tab).classList.add('active'); }); }); // TCO Calculation document.getElementById('calculate-btn').addEventListener('click', calculateTCO); function calculateTCO() { // Infrastructure Costs const ec2Instances = parseInt(document.getElementById('ec2-instances').value); const ec2Cost = parseFloat(document.getElementById('ec2-cost').value); const ec2Savings = parseFloat(document.getElementById('ec2-savings').value) / 100; const ec2Annual = ec2Instances * ec2Cost * 12; const ec2SavingsAnnual = ec2Annual * ec2Savings; const lambdaInvocations = parseInt(document.getElementById('lambda-invocations').value); const lambdaCost = parseFloat(document.getElementById('lambda-cost').value); const lambdaSavings = parseFloat(document.getElementById('lambda-savings').value) / 100; const lambdaAnnual = (lambdaInvocations / 1000000) * lambdaCost * 12; const lambdaSavingsAnnual = lambdaAnnual * lambdaSavings; const rdsInstances = parseInt(document.getElementById('rds-instances').value); const rdsCost = parseFloat(document.getElementById('rds-cost').value); const rdsSavings = parseFloat(document.getElementById('rds-savings').value) / 100; const rdsAnnual = rdsInstances * rdsCost * 12; const rdsSavingsAnnual = rdsAnnual * rdsSavings; const totalInfraCost = ec2Annual + lambdaAnnual + rdsAnnual; const totalInfraSavings = ec2SavingsAnnual + lambdaSavingsAnnual + rdsSavingsAnnual; // Personnel Costs const devopsEngineers = parseInt(document.getElementById('devops-engineers').value); const devopsSalary = parseFloat(document.getElementById('devops-salary').value); const devopsOverhead = parseFloat(document.getElementById('devops-overhead').value) / 100; const devopsAnnual = devopsEngineers * devopsSalary * (1 + devopsOverhead); const devEngineers = parseInt(document.getElementById('dev-engineers').value); const devSalary = parseFloat(document.getElementById('dev-salary').value); const devProductivity = parseFloat(document.getElementById('dev-productivity').value) / 100; const devAnnual = devEngineers * devSalary; const devSavingsAnnual = devAnnual * devProductivity; const totalPersonnelCost = devopsAnnual; const totalPersonnelSavings = devSavingsAnnual; // Tools & Services const ciCdTools = parseFloat(document.getElementById('ci-cd-tools').value); const monitoringTools = parseFloat(document.getElementById('monitoring-tools').value); const otherTools = parseFloat(document.getElementById('other-tools').value); const toolsMonthly = ciCdTools + monitoringTools + otherTools; const trainingCost = parseFloat(document.getElementById('training-cost').value); const migrationCost = parseFloat(document.getElementById('migration-cost').value); const otherCosts = parseFloat(document.getElementById('other-costs').value); const totalToolsCost = (toolsMonthly * 12) + trainingCost + migrationCost + otherCosts; // Totals const totalAnnualCost = totalInfraCost + totalPersonnelCost + totalToolsCost; const totalAnnualSavings = totalInfraSavings + totalPersonnelSavings; const threeYearTCO = (totalAnnualCost * 3) - (totalAnnualSavings * 3); // Display Results document.getElementById('total-infra-cost').textContent = totalInfraCost.toLocaleString(); document.getElementById('total-personnel-cost').textContent = totalPersonnelCost.toLocaleString(); document.getElementById('total-tools-cost').textContent = totalToolsCost.toLocaleString(); document.getElementById('total-savings').textContent = totalAnnualSavings.toLocaleString(); document.getElementById('three-year-tco').textContent = threeYearTCO.toLocaleString(); // Show Chart renderTCOChart(totalInfraCost, totalPersonnelCost, totalToolsCost, totalAnnualSavings); // Switch to Results tab document.querySelector('.tab[data-tab="results"]').click(); } function renderTCOChart(infraCost, personnelCost, toolsCost, savings) { const ctx = document.getElementById('tcoChart').getContext('2d'); if (window.tcoChart) { window.tcoChart.destroy(); } window.tcoChart = new Chart(ctx, { type: 'bar', data: { labels: ['Infrastructure', 'Personnel', 'Tools', 'Savings'], datasets: [{ label: 'Annual Cost ($)', data: [infraCost, personnelCost, toolsCost, -savings], backgroundColor: [ 'rgba(255, 153, 0, 0.7)', 'rgba(35, 47, 62, 0.7)', 'rgba(0, 153, 204, 0.7)', 'rgba(0, 168, 150, 0.7)' ], borderColor: [ 'rgba(255, 153, 0, 1)', 'rgba(35, 47, 62, 1)', 'rgba(0, 153, 204, 1)', 'rgba(0, 168, 150, 1)' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: false, title: { display: true, text: 'USD ($)' } } } } }); }