Cloudflare R2 Pricing Calculator
Accurately estimate your monthly object storage expenses with our comprehensive cloudflare r2 pricing calculator. No hidden egress fees, just predictable cloud costs.
Total Monthly Estimated Cost
(First 10GB Free, then $0.015/GB)
(First 1M Free, then $4.50/1M ops)
(First 10M Free, then $0.36/1M ops)
(Always free with Cloudflare R2)
Cost Distribution
Visualization of cost distribution between Storage, Class A, and Class B operations.
| Metric | Free Tier | Unit Price | Your Usage | Subtotal |
|---|
What is the Cloudflare R2 Pricing Calculator?
The cloudflare r2 pricing calculator is an essential tool for developers and architects looking to migrate or start using Cloudflare’s S3-compatible object storage. Unlike traditional cloud providers that charge complex egress fees (the cost of moving data out of their network), R2 offers a simplified billing structure that focuses on three primary pillars: data storage, Class A operations, and Class B operations.
Who should use it? Any organization currently facing high “bandwidth” or “egress” bills from AWS S3, Google Cloud Storage, or Azure Blob Storage. A common misconception is that all cloud storage is priced similarly; however, the cloudflare r2 pricing calculator demonstrates that for egress-heavy workloads, Cloudflare can often be 80-95% cheaper than competitors because it completely removes data transfer fees.
Cloudflare R2 Pricing Formula and Mathematical Explanation
The math behind our cloudflare r2 pricing calculator follows the official Cloudflare R2 billing model. The total monthly cost is the sum of storage, Class A operations, and Class B operations, minus their respective free tier allowances.
The Core Formula:
Total Cost = Max(0, (S - 10) * 0.015) + Max(0, (A - 1,000,000) / 1,000,000 * 4.50) + Max(0, (B - 10,000,000) / 1,000,000 * 0.36)
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| S | Storage Volume | GB per Month | 10GB – 500TB+ |
| A | Class A Operations | Total Count | 1M – 1B+ |
| B | Class B Operations | Total Count | 10M – 10B+ |
Practical Examples (Real-World Use Cases)
Example 1: The Personal Portfolio / Small Blog
Imagine a static site hosted via R2.
- Storage: 5 GB
- Class A (Uploads): 10,000
- Class B (Views): 500,000
Using the cloudflare r2 pricing calculator, the total cost is $0.00. This falls entirely within the free tier, making it an excellent choice for hobbyists.
Example 2: Video Streaming Startup
A video platform with high egress but limited new uploads.
- Storage: 5,000 GB (5TB)
- Class A: 500,000
- Class B: 50,000,000
Calculation:
– Storage: (5000 – 10) * 0.015 = $74.85
– Class A: Within free tier = $0.00
– Class B: (50M – 10M) / 1M * 0.36 = $14.40
Total: $89.25 per month. Comparison with S3 would likely result in hundreds or thousands of dollars in egress fees alone.
How to Use This Cloudflare R2 Pricing Calculator
Our cloudflare r2 pricing calculator is designed for immediate feedback. Follow these steps:
- Input Storage: Enter the average amount of data you expect to store throughout the month in Gigabytes.
- Estimate Class A Ops: These are “write” actions. If you upload 1,000 images, that is 1,000 Class A operations.
- Estimate Class B Ops: These are “read” actions. Every time a user views an image or your app fetches a manifest file, it’s a Class B operation.
- Review Chart: Check the distribution chart to see if your costs are driven by storage volume or high activity (operations).
- Copy Results: Use the “Copy Results” button to save your estimates for architectural planning.
Key Factors That Affect Cloudflare R2 Pricing Results
- Storage Duration: R2 bills based on the average volume stored throughout the month. If you store 100GB for only half the month, your average is 50GB.
- Operation Mix: High-frequency applications (like chat logs) generate more Class A/B ops, whereas backups are storage-heavy.
- The “Free Tier” Buffer: The first 10GB/1M/10M are reset monthly. This significantly lowers the floor for small-scale apps.
- Zero Egress: This is the biggest factor. Unlike AWS, moving 100TB out of R2 costs $0, whereas on other platforms, it could cost $5,000+.
- Object Size: While not a direct fee, many small objects require more operations (Class A/B) per GB than a few large objects.
- Global Replication: Cloudflare automatically manages placement, but excessive listing (Class A) of globally distributed buckets can add up.
Frequently Asked Questions (FAQ)
1. Is egress really free on R2?
Yes, the cloudflare r2 pricing calculator shows $0 for egress because Cloudflare does not charge for data transfer out of their network to the internet.
2. What qualifies as a Class A operation?
Class A operations are state-changing actions: PutObject, CopyObject, ListBuckets, CreateBucket, and ListObjects.
3. What qualifies as a Class B operation?
Class B operations are primarily read actions: GetObject, HeadObject, and GetBucketEncryption.
4. Can I use R2 without a Cloudflare paid plan?
Yes, R2 is available on the Free plan, though you must provide a payment method for usage exceeding the free tier calculated by our cloudflare r2 pricing calculator.
5. How does R2 compare to AWS S3?
S3 charges for storage, operations, and egress. R2 matches or beats S3 storage prices and completely eliminates the egress fee, which is usually the most expensive part of S3.
6. Is there a minimum object size for billing?
Unlike some “Infrequent Access” tiers in other clouds, R2 does not have a minimum storage duration or minimum object size penalty.
7. Does R2 charge for API requests that fail?
Generally, only successful requests and specific client-side errors count toward your operations quota.
8. How accurate is this cloudflare r2 pricing calculator?
It is based on the official pricing as of 2024 ($0.015/GB, $4.50/1M Class A, $0.36/1M Class B). Always check the Cloudflare dashboard for the most current rates.
Related Tools and Internal Resources
- S3 vs R2 Comparison Tool – Compare Amazon S3 costs directly against Cloudflare.
- Cloud Egress Fee Map – A visual guide to what different providers charge for data transfer.
- Cloudflare Workers Pricing – Estimate the cost of serverless compute alongside your storage.
- Object Storage Best Practices – Learn how to architect for low-cost, high-performance storage.
- CDN Bandwidth Calculator – Determine how much traffic your site consumes globally.
- Cloud Migration ROI Calculator – Calculate the return on investment when moving from legacy cloud to R2.