Pricing Calculator Azure

Azure Virtual Machine Monthly Cost Estimator

Estimate the monthly cost for a single Azure Virtual Machine based on common configurations. This calculator provides an approximation and actual costs may vary based on region, specific instance types, reserved instances, and other Azure services.

Linux Windows



Standard HDD Standard SSD Premium SSD

function calculateAzureVMCost() { // Get input values var vmBaseCostPerHour = parseFloat(document.getElementById("vmBaseCostPerHour").value); var osType = document.getElementById("osType").value; var windowsLicenseAddOnPerHour = parseFloat(document.getElementById("windowsLicenseAddOnPerHour").value); var diskType = document.getElementById("diskType").value; var diskSizeGB = parseFloat(document.getElementById("diskSizeGB").value); var dataTransferGB = parseFloat(document.getElementById("dataTransferGB").value); var uptimeHours = parseFloat(document.getElementById("uptimeHours").value); // Validate inputs if (isNaN(vmBaseCostPerHour) || vmBaseCostPerHour < 0 || isNaN(windowsLicenseAddOnPerHour) || windowsLicenseAddOnPerHour < 0 || isNaN(diskSizeGB) || diskSizeGB <= 0 || isNaN(dataTransferGB) || dataTransferGB < 0 || isNaN(uptimeHours) || uptimeHours 744) { document.getElementById("result").innerHTML = "Please enter valid positive numbers for all fields. VM Uptime cannot exceed 744 hours (approx. 31 days)."; return; } // Define fixed costs per GB per month for disks (example rates, US East region) var standardHddCostPerGBPerMonth = 0.045; var standardSsdCostPerGBPerMonth = 0.065; var premiumSsdCostPerGBPerMonth = 0.125; // Example for a P10 disk (128GB) // Define outbound data transfer cost per GB (example rate after free tier, US East region) var outboundDataCostPerGB = 0.087; // 1. Calculate Compute Cost var totalVmCostPerHour = vmBaseCostPerHour; if (osType === "windows") { totalVmCostPerHour += windowsLicenseAddOnPerHour; } var computeCost = totalVmCostPerHour * uptimeHours; // 2. Calculate Storage Cost var storageCostPerGB = 0; if (diskType === "standardHdd") { storageCostPerGB = standardHddCostPerGBPerMonth; } else if (diskType === "standardSsd") { storageCostPerGB = standardSsdCostPerGBPerMonth; } else if (diskType === "premiumSsd") { storageCostPerGB = premiumSsdCostPerGBPerMonth; } var storageCost = diskSizeGB * storageCostPerGB; // 3. Calculate Data Transfer Cost // Azure typically has a free tier for outbound data (e.g., first 5GB/month). // For simplicity, this calculator assumes a flat rate for all entered GB. var dataTransferCost = dataTransferGB * outboundDataCostPerGB; // Total Monthly Cost var totalMonthlyCost = computeCost + storageCost + dataTransferCost; // Display results var resultHtml = "

Detailed Breakdown:

"; resultHtml += "Compute Cost: $" + computeCost.toFixed(2) + ""; resultHtml += "Storage Cost: $" + storageCost.toFixed(2) + ""; resultHtml += "Data Transfer Cost: $" + dataTransferCost.toFixed(2) + ""; resultHtml += "

Total Estimated Monthly Cost: $" + totalMonthlyCost.toFixed(2) + "

"; document.getElementById("result").innerHTML = resultHtml; }

Understanding Azure Virtual Machine Pricing

Azure Virtual Machines (VMs) are a fundamental compute service in Microsoft Azure, allowing you to deploy and manage scalable computing resources in the cloud. Understanding their pricing model is crucial for effective cloud cost management.

Key Factors Influencing Azure VM Costs:

1. VM Series and Size: Azure offers a wide range of VM series (e.g., B-series for burstable, D-series for general purpose, E-series for memory optimized) and sizes within each series. Each combination has a different hourly rate for compute resources (CPU, memory). Larger and more powerful VMs naturally cost more.
2. Operating System: The choice of operating system significantly impacts cost. Linux VMs generally have a lower base cost as they don't incur Windows Server licensing fees. Windows VMs include the cost of the Windows Server license in their hourly rate.
3. Region: Azure pricing varies by geographical region due to differences in infrastructure costs, local taxes, and market dynamics. Deploying a VM in a high-cost region will result in higher charges.
4. Storage (Managed Disks): VMs require storage for their operating system and data. Azure Managed Disks come in various types (Standard HDD, Standard SSD, Premium SSD, Ultra Disk) and sizes, each with different performance characteristics and pricing models (typically charged per GB per month). Higher performance disks are more expensive.
5. Networking (Data Transfer): While inbound data transfer to Azure is generally free, outbound data transfer (data leaving Azure to the internet) is charged per GB. Azure typically offers a free tier for the first few GBs of outbound data each month, after which standard rates apply.
6. Uptime/Usage: VMs are typically charged on a per-second basis for the time they are running. The longer a VM is active, the higher the compute cost. You can save costs by deallocating VMs when not in use.
7. Licensing: Beyond the OS, any additional software licenses (e.g., SQL Server, specific applications) running on the VM will add to the total cost. Azure Hybrid Benefit can reduce costs for Windows Server and SQL Server if you have existing on-premises licenses.
8. Reserved Instances (RIs): For predictable, long-term workloads, purchasing Azure Reserved VM Instances (1-year or 3-year terms) can provide significant discounts (up to 72%) compared to pay-as-you-go rates.
9. Support Plans: Azure offers various support plans (Basic, Developer, Standard, Professional Direct, Premier) with different features and costs, which are separate from VM usage.

Tips for Optimizing Azure VM Costs:

• Right-size your VMs: Choose the smallest VM size that meets your performance requirements.
• Utilize Reserved Instances: Commit to 1-year or 3-year terms for stable workloads.
• Leverage Azure Hybrid Benefit: Use your existing Windows Server and SQL Server licenses.
• Deallocate unused VMs: Stop VMs when they are not needed to avoid compute charges.
• Monitor and Optimize Storage: Choose the appropriate disk type and size; delete unattached disks.
• Monitor Data Transfer: Be mindful of outbound data transfer, especially for applications with high egress.
• Use Azure Cost Management: Regularly review your Azure spending and identify areas for optimization.

This calculator provides a simplified view. For precise pricing, always refer to the official Azure Pricing Calculator and your specific Azure subscription details.