# Azure Pricing and TCO Calculator > Chapter 32 of the Courseiva AZ-900 curriculum — https://courseiva.com/learn/az-900/azure-pricing-calculator **Official objective:** 3.1 — Azure Management Governance ## Introduction This chapter covers the Azure Pricing Calculator and TCO Calculator, tools for estimating cost before committing to specific Azure resources. AZ-900 tests this under objective 3.1, alongside the broader cost management concepts covered in the previous chapter. ## Getting a Quote Before You Build Before starting a renovation, a homeowner typically gets a cost estimate from a contractor — comparing options, materials, and scope before committing to any actual spending. The Azure Pricing Calculator and Total Cost of Ownership (TCO) Calculator serve a similar purpose for cloud spending: they let an organization estimate costs before actually provisioning resources, comparing different configurations or comparing cloud costs against the cost of maintaining existing on-premises infrastructure. ## Core explanation ### The Azure Pricing Calculator The Pricing Calculator is a tool that lets you estimate the cost of specific Azure services and configurations before actually deploying them. You can select services, specify configuration options (like VM size or storage amount), and see an estimated cost, helping with planning and comparing different configuration choices before committing. ### The Total Cost of Ownership (TCO) Calculator The TCO Calculator is a different, related tool that helps estimate the potential cost savings of moving from an existing on-premises infrastructure to Azure. It takes into account not just the direct cost of hardware, but also related costs like power, cooling, physical space, and IT labor, to provide a more complete comparison between the current on-premises approach and a projected Azure cost. ### Why both tools matter The Pricing Calculator helps with planning specific Azure deployments and comparing configuration options. The TCO Calculator helps make the broader business case for moving to Azure in the first place, by estimating potential savings compared to continuing with existing on-premises infrastructure. They serve different stages of the decision-making process. ### Estimates, not guarantees Both tools provide estimates based on the inputs given — actual costs can vary based on real usage patterns, and any pricing figures shown reflect a snapshot at the time of estimation rather than a fixed, guaranteed cost, since Azure pricing can change over time. ## Real-world context A team planning a new project uses the Pricing Calculator to compare the estimated cost of a few different VM sizes and storage configurations before committing to one, helping them choose a cost-appropriate option upfront rather than discovering the cost implications only after deployment. Separately, an organization considering migrating from its own data center to Azure uses the TCO Calculator to build a business case for leadership, comparing their current all-in costs (hardware, power, cooling, staff) against the estimated cost of running equivalent workloads in Azure — informing a broader strategic decision, not just a specific deployment choice. ## Exam focus Objective 3.1 expects candidates to distinguish between the Pricing Calculator (estimating specific Azure configuration costs) and the TCO Calculator (comparing on-premises costs against projected Azure costs). A common wrong answer is treating these two tools as interchangeable — the Pricing Calculator estimates costs for specific Azure services and configurations, while the TCO Calculator compares an existing on-premises setup's total cost against a projected move to Azure. Another common trap is treating either tool's output as a guaranteed, fixed cost rather than an estimate that can change based on actual usage and pricing changes over time. Stable terms: **Pricing Calculator**, **TCO Calculator**. Knowing which tool applies to which scenario — estimating specific Azure costs versus comparing on-premises to Azure — is the key exam-relevant distinction. Memory trick: Pricing Calculator = "what would this specific Azure setup cost?" TCO Calculator = "would moving from on-premises to Azure save money overall?" ## Step by step 1. **Use the Pricing Calculator to estimate specific configurations** — Before deploying, specific services and configurations can be entered into the Pricing Calculator to get an estimated cost, helping compare different sizing or configuration options. 2. **Use the TCO Calculator to build a broader business case** — For organizations considering a move from on-premises to Azure, the TCO Calculator estimates potential savings by comparing current infrastructure costs (including often-overlooked costs like power and labor) against projected Azure costs. 3. **Treat results as estimates, not guarantees** — Both tools provide estimates based on the inputs given at the time — actual costs depend on real usage and can change as Azure pricing changes over time. 4. **Combine with ongoing cost management** — Pre-deployment estimates from these calculators complement, rather than replace, the ongoing cost monitoring covered in the Cost Management and Billing chapter. ## Comparisons ### Pricing Calculator vs TCO Calculator **Pricing Calculator:** - Estimates cost of specific Azure configurations - Used when planning a specific deployment - Answers: 'What would this Azure setup cost?' **TCO Calculator:** - Compares on-premises cost against projected Azure cost - Used when building a broader migration business case - Answers: 'Would moving to Azure save money overall?' ## Common misconceptions - **Misconception:** The Pricing Calculator and TCO Calculator are the same tool. **Reality:** The Pricing Calculator estimates the cost of specific Azure services and configurations. The TCO Calculator compares an existing on-premises setup's total cost against a projected move to Azure — they serve different purposes. - **Misconception:** Calculator estimates are guaranteed, fixed costs. **Reality:** Both tools provide estimates based on the inputs given at the time — actual costs depend on real usage patterns and can change as Azure pricing changes over time, so results shouldn't be treated as a fixed guarantee. - **Misconception:** The TCO Calculator only considers hardware cost. **Reality:** It's designed to account for a fuller picture of on-premises costs, including power, cooling, physical space, and IT labor, not just the direct cost of hardware alone. ## Key takeaways - The Azure Pricing Calculator estimates the cost of specific Azure services and configurations before deployment. - The TCO Calculator compares the total cost of existing on-premises infrastructure against a projected move to Azure. - The TCO Calculator accounts for broader costs like power, cooling, and labor, not just hardware. - Both tools provide estimates, not guaranteed fixed costs — actual spending depends on real usage and can change as pricing changes over time. ## FAQ **What's the difference between the Pricing Calculator and the TCO Calculator?** The Pricing Calculator estimates the cost of specific Azure services and configurations, useful when planning a deployment. The TCO Calculator compares the total cost of an existing on-premises setup against a projected move to Azure, useful for building a broader business case for migration. **Are the estimates from these tools guaranteed?** No — they're estimates based on the inputs provided at the time. Actual costs depend on real usage patterns and can change as Azure pricing changes over time, so the figures shouldn't be treated as a fixed, guaranteed cost. **Does the TCO Calculator only compare hardware costs?** No — it's designed to account for a fuller picture of on-premises costs, including power, cooling, physical space, and IT labor, providing a more complete comparison against projected Azure costs than a hardware-only comparison would. --- Interactive version with quiz and diagrams: https://courseiva.com/learn/az-900/azure-pricing-calculator