Cloudflare R2 Cost Calculator
Enter GB stored, Class A (writes) and Class B (reads) operations, toggle Standard vs Infrequent Access, and optionally add IA retrieval GB and egress GB served. See storage, ops, retrieval and free-egress totals plus effective $/GB served. Official list prices as of 2026-11-02; Cloudflare rounds up to the next billing unit — cross-check at r2-calculator.cloudflare.com.
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。
Monthly total
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Effective $/GB served
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Breakdown
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Cloudflare R2 Standard: storage $0.015 / GB-month, Class A $4.50 / million, Class B $0.36 / million, egress free. Free tier (Standard only): 10 GB-month + 1M Class A + 10M Class B / month. Infrequent Access: storage $0.01 / GB-month, Class A $9.00 / million, Class B $0.90 / million, data retrieval $0.01 / GB, egress free, no free tier, 30-day minimum storage duration. Cloudflare rounds usage up to the next billing unit — cross-check the official R2 calculator. Example (Standard, 500 GB, 1M Class A, 40M Class B): storage max(0,500−10)×$0.015 = $7.35; Class A $0; Class B $10.80; egress $0 → ~$18.15.
Estimates only. Official list prices as of 2026-11-02 (Asia/Shanghai); the provider's pricing page prevails. Source: Cloudflare R2 pricing
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使い方
- データはアップロードされますか？
- いいえ。これらの計算とQRコードはブラウザ内で実行されます。
- AI価格は変わりますか？
- はい。ベンダーは頻繁に改定します。$/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。