Tools Web

計算機

Object Storage Cost Comparison

Enter GB stored, GB egress, writes and reads per month. The table ranks Cloudflare R2 Standard, Amazon S3 Standard (us-east-1) and Backblaze B2 by monthly total, showing how egress usually dwarfs storage on S3, R2 wins when public egress is large, and B2 wins on storage $/GB with moderate egress ≤3×. Default workload: 500 GB, 2 TB egress, 1M writes, 40M reads. Estimates only; provider pages prevail.

計算はブラウザ内で行われます。データはアップロードされません。

ProviderStorageRequests / opsEgressTotal / moMath

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Default workload: 500 GB stored, 2 TB (2048 GB) egress, 1M writes, 40M reads / month. Cloudflare R2 Standard (free egress + free tier), Amazon S3 Standard us-east-1 (egress after 100 GB free), Backblaze B2 (storage $6.95/TB-mo ≈ $0.00695/GB-mo, first 10 GB free, egress free up to 3× average monthly storage then $0.01/GB; typical Class A/B/C API calls free). Egress usually dwarfs storage on S3; R2 wins when public egress is large; B2 wins on storage $/GB with moderate egress ≤3×. Glacier, CloudFront rates, B2 Overdrive and Bunny CDN skipped.

Estimates only. Official list prices as of 2026-11-02 (Asia/Shanghai); provider pages prevail. Sources: R2 pricing · S3 pricing · B2 pricing

Cloudflare R2 Cost Calculator · Amazon S3 Cost Calculator · CDN Bandwidth Cost Comparison · Bunny CDN Cost Calculator

使い方

データはアップロードされますか?
いいえ。これらの計算とQRコードはブラウザ内で実行されます。
AI価格は変わりますか?
はい。ベンダーは頻繁に改定します。$/1Mやプランを編集し、予算前に公式を確認してください。
データはアップロードされますか?
いいえ。計算はブラウザ内で完結します。