AWS vs Azure vs GCP Calculator
Which cloud is cheapest?
Compare AWS vs Azure vs GCP annual costs with reserved discounts. Enter aws monthly and azure monthly for an instant result.
What this tool does
This tool compares annual cloud spend across AWS, Azure, and GCP with optional reserved instance discount.
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Cloud platforms price similarly but differ on specific services. This calculator compares annual cost across AWS, Azure, and GCP with optional discount (reserved instances, commitment deals).
2,000/mo AWS vs 1,800 Azure vs 1,900 GCP at 20% reserved discount: AWS 19,200, Azure 17,280, GCP 18,240. Azure cheapest by 1,920 annually.
Pricing differences depend heavily on actual workload. Reserved instances cut costs 30-60% vs on-demand but require commitment. Multi-year deals save more but lock in longer.
Run it with sensible defaults
Using aws monthly of 2,000, azure monthly of 1,800, gcp monthly of 1,900, reserved discount of 20%, the calculation works out to 17,280.00. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — AWS Monthly, Azure Monthly, GCP Monthly, and Reserved Discount % — do not pull with equal force. Two inputs usually tip the answer one way or the other. Identify which ones matter most by flipping each value past a round threshold and watching whether the winning option changes.
How the math works
Each annual = monthly × 12 × (1 - discount). Cheapest identified. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".
Using this as a check-in
Re-run this every three months. A single reading tells you where you stand; four readings tell you whether things are improving. The trend matters more than any individual snapshot.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
AWS £2,000 £ vs Azure £1,800 £ vs GCP £1,900 £ at 20% discount = $17,280.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Each annual = monthly × 12 × (1 - discount). Cheapest identified.
References
Frequently Asked Questions
Switching cloud providers?
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