← Cloud egress cost calculator
Microsoft publishes its own free cost-estimation tool, the Azure Pricing Calculator, at azure.microsoft.com/pricing/calculator, documented at learn.microsoft.com/en-us/azure/cost-management-billing/costs/pricing-calculator. Microsoft's own description there:
“The Azure pricing calculator helps you turn anticipated usage into an estimated cost, which makes it easier to plan and budget for your Azure usage. … When you log in, the calculator also provides a cost estimate for your Azure consumption with your negotiated or discounted prices.”
That makes it the right tool for one job: what a configuration of Azure products would cost on Microsoft's own schedule, and, once you sign in, on your own negotiated rate. It prices Azure services against Azure's numbers, which is something no third-party page, this one included, can claim to do. This site does not publish, cache, or endorse any provider's prices — it asks you to paste the rates from the price sheet or quote in front of you. Microsoft's own documentation is explicit that the figures it walks through are illustrative, not a quote:
“Prices shown in this article are examples to help you understand how the calculator works. They aren't actual prices.”
So if the question is an Azure number, open Microsoft's calculator; this page says so plainly. What it does not do is the thing this tool exists for — putting a second provider's sheet next to the first one on the same workload, which is the shape of an actual migration decision.
| Question | Where to answer it |
|---|---|
| What would this storage account and this outbound volume cost on Azure? | Microsoft's own Pricing Calculator — it prices Azure products on Microsoft's schedule, and your own negotiated rate once you sign in. |
| Provider A quoted me one sheet and provider B another. Which is cheaper on my stored GB, requests, and outbound transfer? | This calculator — both sheets on one screen, from the rates you enter. |
| At what outbound volume does the cheaper storage rate stop being cheaper? | This calculator's break-even line, solved from the two rate sets. |
| Does putting a CDN in front of the origin actually cut the bill at my cache-hit rate? | This calculator's CDN vs origin-only page, including miss-fetch cost. |
| Is a second-region replica cheaper than paying a cross-region pull every month? | This calculator's replica vs cross-region pull page. |
| Does an infrequent-access or archive class still win once restore fees land? | This calculator's storage-class page. |
| I have a negotiated or discounted rate that only shows once I sign in. | This calculator — every rate is a field you type, so a quoted rate works the same as a list price. |
Getting the question right also matters more here than the arithmetic does. Azure, AWS, and Google Cloud each cut storage, request, and transfer-out charges into their own line items and their own free tiers, so a "per-GB egress rate" from one provider is not automatically the same line item as another provider's. This tool never assumes they match — it asks for one outbound rate per option and shows its working, rather than pretending a single number is comparable across two sheets you have not read.
Beyond the comparison itself, this tool needs no account, no Azure subscription, and no sign-in. It is a static page, the arithmetic runs in your browser, and once it has loaded it keeps working with the connection off. Nothing you type is uploaded anywhere, and the copyable decision summary deliberately carries the totals and the cheaper option without the rate sheet behind them, so pasting it into a migration ticket cannot leak a quote you are under NDA about.
Most teams get more use out of both, because they answer different questions. The Azure Pricing Calculator turns anticipated Azure usage into an estimated cost on Microsoft's own schedule, so it is the right place to answer “what would this storage account and this outbound volume cost on Azure?” This page does not try to replace that, and it never publishes or endorses any provider's prices. What it adds is the comparison Microsoft's calculator is not built around: two providers' price sheets on one workload at the same time, the outbound-gigabyte volume where a cheaper storage rate stops being cheaper, and the CDN, replica, and storage-class calls that sit on top of that decision.
Because a rate this page had cached would be wrong the day a provider changed it, and you would have no way to tell. Every provider publishes its own current price sheet and its own estimator; those are the authoritative sources and this tool deliberately defers to them. Typing the rates also means the arithmetic works for a negotiated or discounted rate that only shows once you sign in to the provider's own calculator, and it means nothing you enter has to leave your browser.
No. This site is not affiliated with, endorsed by, or sponsored by Microsoft Corporation. Microsoft, Azure, and Azure Pricing Calculator are trademarks of Microsoft Corporation, named here only to describe what this calculator is for and to point at the primary sources quoted on this page.
Open the cloud egress cost calculator to run the comparison on your own numbers.