Home > Glossary > Microsoft Azure Fundamentals > Total Cost of Ownership (TCO) Calculator

📖 What is Total Cost of Ownership (TCO) Calculator?

Total Cost of Ownership (TCO) Calculator is a tool used to estimate the cost savings of moving on-premises workloads to the Azure cloud. It compares the current costs of running a local data center against the projected costs of using Azure services.

🥋 Sensei Says:

"Do not confuse this with the Pricing Calculator; the TCO calculator is for 'comparison,' while the Pricing Calculator is for 'estimation' of a specific build."

📚 Certification: Microsoft Azure Fundamentals (AZ-900)

🔑 What are the Key Concepts of Total Cost of Ownership (TCO) Calculator?

▸ Focuses on comparing Capital Expenditure (CapEx) for on-premises hardware against the Operational Expenditure (OpEx) model used by Azure cloud services.
▸ Requires detailed inputs regarding current server counts, storage capacity, networking hardware, and electricity costs to provide an accurate cost comparison.
▸ Analyzes indirect costs often overlooked in on-premises environments, such as facility cooling, physical security, and hardware maintenance labor.
▸ Serves as a strategic tool for stakeholders to build a financial business case for migrating legacy workloads to the cloud.

🎯 How does Total Cost of Ownership (TCO) Calculator appear on the AZ-900 Exam?

You may be asked to identify the correct tool for a company that wants to compare the cost of maintaining their own data center versus migrating to Azure.

A scenario might describe a business leader needing a high-level financial justification for cloud adoption; you must distinguish the TCO Calculator from the Pricing Calculator.

❓ Frequently Asked Questions

What is the primary difference between the TCO Calculator and the Pricing Calculator?

The TCO Calculator compares the cost of on-premises infrastructure to Azure to show potential savings, while the Pricing Calculator estimates the monthly cost of specific Azure resources.

Does the TCO Calculator provide a final, legally binding quote for Azure services?

No, it provides an estimate based on provided data. For precise cost planning of a specific architecture, the Pricing Calculator is the appropriate tool to use.

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