Cloudflare
Cloudflare R2 Class B operations usage cost
Class B operations (reads) billed per million operations — usually far cheaper than Class A writes.

Estimate cost
- Published unit price
- $0.00000036
- Estimated cost
- $0.00036
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost at different volumes
Cloudflare R2 Class B operations as volume grows. Extra rows (25, 50, 250…) sit between the round numbers so a step-up is visible.
| Usage volume | Estimated cost |
|---|---|
| 1,000 | $0.00036 |
| 10,000 | $0.0036 |
| 25,000 | $0.009 |
| 50,000 | $0.018 |
| 100,000 | $0.036 |
| 250,000 | $0.09 |
| 500,000 | $0.18 |
| 1,000,000 | $0.36 |
| 2,500,000 | $0.9 |
| 5,000,000 | $1.80 |
| 10,000,000 | $3.60 |
| 25,000,000 | $9.00 |
| 50,000,000 | $18.00 |
| 100,000,000 | $36.00 |
| 500,000,000 | $180.00 |
| 1,000,000,000 | $360.00 |
At these rates
- The published rate is $0.00000036 per Class B operation.
- One thousand units cost $0.00036; 100,000 units cost $0.036 before allowances, tiers, or other billing components.
- A $100 budget covers about 277,777,777 units at this linear rate.
The calculator applies the published unit rate in a straight line. Included quotas, tiers, minimums, regional charges, and other billing lines can change the total.