We built a serverless site to calculate cloud storage prices
Compare cloud storage costs across AWS S3, Azure Blob, Google Cloud Storage, and more. Calculate storage, data transfer, and API request costs by region and storage class.
We built a serverless site to calculate cloud storage prices launched on February 1, 2017 with 15 votes, #818 of 3,156 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
This site helps users compare cloud storage pricing across multiple providers including AWS S3, Azure Blob, and Google Cloud Storage. It calculates costs for storage capacity, data transfer, and API requests, breaking down expenses by region and storage class. The tool accounts for varying price structures—hot storage for frequent access, cold storage for archival, retrieval fees, and egress charges for data downloads. It addresses the complexity of cloud billing by showing how different operations and data transfer scenarios affect overall costs.
written from the facts on this page · September 2026
From the sources
Cloud providers charge per GB stored per month. Costs vary by storage class—hot storage for frequently accessed data costs more, while cold/archive storage for long-term backups is cheaper but has retrieval fees. Egress (data transfer out) fees apply when downloading data from the cloud. These can be significant—some providers charge $0.08-0.12 per GB. Transfers between regions or to the internet typically incur charges, while uploads are usually free. Every file operation—uploading, downloading, listing, or deleting—counts as an API request. Providers charge per thousand requests, with write operations (PUT/POST) typically costing more than read operations (GET/LIST). Storage costs vary by…from coststorage.com
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