Azure Cost Estimator
Free Azure cost estimator — estimate monthly VM compute, blob storage, and egress costs.
Pricing disclaimer: Pricing on this page may be incorrect, incomplete, or out of date. These are unofficial estimates only — not quotes from AWS, Azure, Google, OpenAI, Anthropic, NVIDIA, DigitalOcean, or any other provider. You must check the official company website for accurate pricing before budgeting, purchasing, or making architecture decisions.
Important: By using this page, you agree that calculator, estimator, or tool results, charts, About explanations, quick tips, and formulas are for informational use only — not professional advice. You assume all risks of relying on them. See the full disclaimer below and our Terms of Service.
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How it works
Pick an Azure VM size preset, enter instance count, runtime hours, blob storage GB, and egress for a monthly cost estimate.
About Azure Cost Estimator
Informational only — not professional advice. Report an error.
Microsoft Azure charges Virtual Machines by the hour, Blob storage by capacity, and outbound bandwidth by gigabyte — the same compute-storage-egress pattern AWS and GCP use, just with different names on the invoice. VM sizes from burstable B-series (good for low-average CPU) to general-purpose D-series cover everything from dev sandboxes to production app servers. If you are building on .NET or already deep in Microsoft tooling, Azure is often the default choice — but default does not mean cheap until you run the numbers.
This Azure cost estimator rolls your inputs into a monthly estimate suitable for proposals, FinOps reviews, and student project budgets. Presets include B1s, B2s, D2s v3, and D4s v3 with approximate pay-as-you-go rates plus default blob storage and egress pricing. Hybrid Benefit, Azure Reservations, and Spot VMs reduce hourly cost — plug in your net rate instead of list price when you have discounts.
Hours default to 730 for continuous workloads; batch jobs and CI runners should use actual runtime hours instead. Blob storage cost scales with retained data and redundancy tier (LRS vs GRS); the calculator uses a single per-GB rate you can adjust. Egress pricing varies by destination and volume tier, so enter your best estimate from Azure's bandwidth pricing page for your region. The output separates compute, storage, and bandwidth subtotals so you can see which lever matters most.
Azure-centric stacks often pair VM cost with Azure SQL, App Service, and Functions — this calculator covers the VM, storage, and network core only. Azure Front Door and Application Gateway bill separately from VM egress, so user-facing apps often need both lines in a full budget. For AI workloads, add OpenAI or GPU line items separately.
Cross-check against the AWS and GCP calculators on equivalent vCPU and memory when evaluating portability. Tag resource groups by environment so finance can map calculator scenarios to live Cost Management exports after you deploy.
Quick tips
- Apply Hybrid Benefit and reservation discounts to the hourly rate field, not as a post-hoc guess.
- Burstable B-series fits low-average CPU; sustained load needs D-series or higher.
- Blob egress to non-Azure endpoints is billable — model user download volume explicitly.
- Dev/test subscriptions and credits reduce early spend but expire — plan for list pricing long term.
- Use the Cloud Hosting Cost Estimator for provider-agnostic estimates with custom rates.
Formulas
computeCost = instances × pricePerHour × hoursPerMonthstorageCost = storageGb × storagePricePerGbbandwidthCost = bandwidthGb × bandwidthPricePerGbtotalMonthly = computeCost + storageCost + bandwidthCost
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