Backblaze B2 Pricing Calculator
Estimate your monthly cloud storage costs with this detailed Backblaze B2 pricing calculator. Get a clear breakdown of storage, download, and transaction fees.
Calculate Your B2 Storage Cost
Cost Breakdown Chart
A visual breakdown of your estimated monthly costs from using our backblaze pricing calculator.
Detailed Cost Summary
| Item | Usage | Free Tier | Billable Usage | Rate | Cost |
|---|---|---|---|---|---|
| Storage | 0 GB | 10 GB | 0 GB | $0.006/GB | $0.00 |
| Download (Egress) | 0 GB | 0 GB | 0 GB | $0.01/GB | $0.00 |
| Class B Transactions | 0 k | 75 k | 0 k | $0.0004/1k | $0.00 |
| Class C Transactions | 0 k | 75 k | 0 k | $0.004/1k | $0.00 |
| Total Estimated Monthly Cost | $0.00 | ||||
This table summarizes the results generated by the backblaze pricing calculator.
What is the Backblaze B2 Pricing Model?
The Backblaze B2 pricing model is a pay-as-you-go service for cloud object storage, renowned for its simplicity and affordability compared to competitors like Amazon S3, Google Cloud, and Microsoft Azure. Unlike other services with complex tiers, B2 charges for three main components: data storage, data download (egress), and API operations (transactions). This transparent structure is why a backblaze pricing calculator is such a powerful tool for developers, IT professionals, and businesses looking to forecast expenses without surprises. The core philosophy is to provide robust, always-hot storage at a fraction of the cost, making it ideal for backups, archiving, application data, and large media files.
Anyone who needs reliable and cheap cloud storage should consider B2. A common misconception is that its low cost implies lower performance or reliability. However, Backblaze boasts impressive durability and performance metrics suitable for a wide range of applications. Utilizing a backblaze pricing calculator helps demystify the potential costs associated with large-scale data management, proving that enterprise-grade storage can be accessible and predictable.
Backblaze B2 Formula and Mathematical Explanation
Calculating your B2 costs is straightforward. The total monthly cost is the sum of costs for storage, downloads, and transactions, after accounting for the generous free tiers. Our backblaze pricing calculator automates this, but understanding the formula is key to effective cost management.
Step-by-Step Calculation:
- Calculate Billable Storage: Subtract the free 10 GB from your total stored data.
- Calculate Billable Downloads: Determine your free egress allowance (3 times your stored data). Subtract this from your total downloads.
- Calculate Billable Transactions: For Class B and C transactions, subtract the free daily allowance (2,500 each) multiplied by the number of days in the month (approx. 30).
- Sum the Costs: Multiply each billable amount by its respective rate and add them together. This final sum is what our backblaze pricing calculator displays as your estimated monthly cost.
Variables Table
| Variable | Meaning | Unit | Rate (USD) |
|---|---|---|---|
| Storage | Amount of data stored | GB | $0.006 per GB/month |
| Download | Data transferred out of B2 (Egress) | GB | $0.01 per GB |
| Class B Ops | Listing, searching, and info operations | Per 1,000 calls | $0.0004 |
| Class C Ops | Creating, deleting, and modifying data | Per 1,000 calls | $0.004 |
For a detailed guide on how transfer costs work, see our data transfer guide.
Practical Examples (Real-World Use Cases)
Example 1: Photographer’s Archive
A photographer needs to back up 2,000 GB (2 TB) of RAW photo archives. They estimate downloading about 100 GB per month to work on projects and perform minimal API calls (around 1,000 Class B and 1,000 Class C per day).
- Inputs for backblaze pricing calculator:
- Storage: 2000 GB
- Download: 100 GB
- Class B Transactions: 1 (in 1,000s)
- Class C Transactions: 1 (in 1,000s)
- Cost Breakdown:
- Storage Cost: (2000 GB – 10 GB) * $0.006 = $11.94
- Download Cost: Free egress is 3 * 2000 = 6000 GB. Since 100 GB is less than this, download cost is $0.
- Transaction Cost: The daily usage is below the 2,500 free daily calls for both classes, so transaction cost is $0.
- Total Estimated Cost: ~$11.94 per month.
Example 2: Web Application Assets
A developer hosts 150 GB of static assets (images, videos) for a web application. The app serves 500 GB of content to users monthly and involves a higher number of API calls: 10,000 Class B (listing files) and 5,000 Class C (uploads/updates) per day.
- Inputs for backblaze pricing calculator:
- Storage: 150 GB
- Download: 500 GB
- Class B Transactions: 10 (in 1,000s)
- Class C Transactions: 5 (in 1,000s)
- Cost Breakdown:
- Storage Cost: (150 GB – 10 GB) * $0.006 = $0.84
- Download Cost: Free egress is 3 * 150 = 450 GB. Billable download is 500 GB – 450 GB = 50 GB. Cost = 50 * $0.01 = $0.50.
- Transaction Cost:
- Class B: (10k – 2.5k) * 30 days * $0.0004/1k = $0.90
- Class C: (5k – 2.5k) * 30 days * $0.004/1k = $0.30
- Total Transaction Cost = $1.20
- Total Estimated Cost: $0.84 + $0.50 + $1.20 = ~$2.54 per month. This showcases how even with significant traffic, costs remain low, a fact easily verified with any good backblaze pricing calculator.
To understand more about this storage type, read our article: object storage explained.
How to Use This Backblaze Pricing Calculator
Our backblaze pricing calculator is designed for ease of use and accuracy. Follow these simple steps to get a reliable estimate of your monthly B2 cloud storage costs.
- Enter Storage Amount: Input the total amount of data you plan to store in Gigabytes (GB). Remember, 1 TB = 1,000 GB.
- Enter Download Volume: Provide your estimated monthly data download (egress) in GB. The calculator automatically computes your free egress allowance based on your storage amount.
- Enter Transaction Volumes: Input the daily number of Class B and Class C API calls, in thousands. The tool accounts for the daily free tier for each.
- Review Real-Time Results: As you enter values, the “Estimated Total Monthly Cost” and the breakdown (Storage, Download, Transaction) update instantly. The chart and table also refresh to give you a complete financial picture. This instant feedback makes our backblaze pricing calculator a dynamic planning tool.
- Analyze the Breakdown: Use the chart and summary table to understand which activity contributes most to your bill. This helps in optimizing usage, for example, by reducing frequent API calls where possible. Exploring options for S3 compatible storage options can also be beneficial.
Key Factors That Affect Backblaze B2 Results
While our backblaze pricing calculator simplifies estimates, several factors can influence your final bill. Understanding them is crucial for accurate budgeting.
- Data Storage Volume: This is the primary cost driver. The more you store, the higher the base cost. However, because the rate is low ($0.006/GB), it remains economical at scale.
- Egress (Download) Traffic: Heavy download activity can significantly impact costs. While the free egress (3x stored data) is generous, exceeding it incurs charges. This is a critical variable in any backblaze pricing calculator.
- API Transaction Frequency: Applications that make millions of API calls can accumulate transaction fees. Class C calls are 10x more expensive than Class B, so optimizing your application’s API usage is a key cost-saving strategy.
- Data Lifecycle Management: Regularly deleting old or unnecessary data can lower your storage footprint and, consequently, your monthly bill. An effective backup and archive strategy is essential.
- Data Ingestion (Uploads): A positive factor! Uploading data to Backblaze B2 is completely free and does not incur any charges, unlike some other cloud providers.
- Inter-Service Data Transfer: B2 has partnerships with many CDN and compute providers (like Cloudflare and Vultr). Transferring data to these partners is often free, which can eliminate egress costs entirely for certain workflows. This is a strategic advantage not all pricing calculators account for. To see how B2 stacks up, check our cloud cost comparison.
Frequently Asked Questions (FAQ)
- 1. Is this backblaze pricing calculator 100% accurate?
- It provides a very close estimate based on public pricing. Actual bills are calculated on hourly usage (“byte-hours”), so minor variations can occur, but this tool is excellent for budget forecasting.
- 2. What does “egress” mean?
- Egress refers to data transferred *out* of Backblaze’s servers. This is the same as “downloading.” Ingress (uploading) is always free.
- 3. How is the free egress of 3x stored data calculated?
- It’s based on the average amount of data you store over the monthly billing period. If you store an average of 1 TB, you get 3 TB of free downloads for that month.
- 4. Are there any hidden fees not in this backblaze pricing calculator?
- No, Backblaze B2 is known for its transparent pricing. There are no charges for file deletion, minimum storage duration, or minimum file size. The costs are storage, download, and transactions.
- 5. What’s the difference between Class B and Class C transactions?
- Generally, Class B operations are “read” operations like listing files, while Class C are “write” operations like creating buckets or uploading file parts. Since Class C calls are more expensive, it’s a key distinction for developers.
- 6. Can I use this calculator for Backblaze Personal Backup?
- No. This backblaze pricing calculator is exclusively for the B2 Cloud Storage service. Personal Backup has a different, flat-rate pricing model per computer.
- 7. What if my usage varies greatly month-to-month?
- You should run multiple estimates using this backblaze pricing calculator. Create a low-usage, average-usage, and high-usage scenario to understand your potential cost range.
- 8. Is B2 a good choice for hosting a website?
- It’s excellent for hosting static assets like images, CSS, and video. For best performance and to save on egress costs, it’s often paired with a CDN like Cloudflare, which has a partnership with Backblaze for free data transfer.
Related Tools and Internal Resources
Expand your knowledge and optimize your cloud strategy with these related resources.
- Cloud Cost Comparison: See how Backblaze B2 pricing stacks up against AWS S3, Google Cloud Storage, and Azure Blob Storage.
- Data Transfer Guide: A deep dive into understanding and minimizing egress costs across different cloud platforms.
- Object Storage Explained: Learn the fundamentals of object storage and why it’s the standard for cloud-native data.
- S3 Compatible Storage Options: Explore tools and services that work seamlessly with the S3 API, including Backblaze B2.
- Developer Storage Solutions: Find tutorials and guides for integrating B2 into your applications and development workflows.
- Backup and Archive Strategies: Best practices for creating a robust and cost-effective data protection plan using cloud storage.