Backblaze Pricing Calculator
Estimate your monthly costs for Backblaze B2 Cloud Storage
Estimated Monthly Cost
Storage Cost
Download (Egress) Cost
Transaction Cost
| Component | Usage | Free Tier | Billable Amount | Rate | Cost |
|---|---|---|---|---|---|
| Storage | 1000 GB | 10 GB | 990 GB | $0.006/GB | $5.94 |
| Download (Egress) | 100 GB | 3000 GB | 0 GB | $0.01/GB | $0.00 |
| Class B Transactions | 10k | ~75k/month | 0k | $0.004/1k | $0.00 |
| Class C Transactions | 10k | ~75k/month | 0k | $0.004/1k | $0.00 |
What is a Backblaze Pricing Calculator?
A backblaze pricing calculator is a specialized tool designed to estimate the monthly and annual costs associated with using Backblaze B2 Cloud Storage. Unlike generic cloud cost estimators, a dedicated backblaze pricing calculator is tailored specifically to Backblaze’s pricing model, which includes dimensions like data storage, data download (egress), and API transaction calls. Users can input their expected usage patterns to receive a detailed, transparent, and predictable cost forecast. This is invaluable for developers, IT professionals, and businesses looking to leverage Backblaze’s famously affordable object storage without incurring surprise fees.
This tool is essential for anyone considering a move away from more complex and expensive providers like AWS S3, Google Cloud Storage, or Microsoft Azure. The primary goal of a backblaze pricing calculator is to demystify cloud spending and provide financial clarity, allowing for better budget planning and resource allocation. A common misconception is that all cloud storage pricing is complex; Backblaze prides itself on simplicity, and this calculator reflects that by breaking down costs into understandable components.
Backblaze Pricing Calculator Formula and Mathematical Explanation
The core calculation behind the backblaze pricing calculator is straightforward, combining three main cost components: storage, download (egress), and transactions. The formula is applied on a monthly basis.
Step 1: Calculate Storage Cost
Backblaze B2 offers the first 10 GB of storage for free. You are only charged for storage beyond this threshold.
Billable Storage (GB) = Total Storage (GB) – 10 GB
Storage Cost = Billable Storage × $0.006 per GB
Step 2: Calculate Download (Egress) Cost
A significant advantage of Backblaze is its generous free egress policy. You can download up to three times your stored data amount each month for free.
Free Download Allowance (GB) = Total Storage (GB) × 3
Billable Download (GB) = Max(0, Total Monthly Download (GB) – Free Download Allowance)
Download Cost = Billable Download × $0.01 per GB
Step 3: Calculate Transaction Cost
API calls are categorized into classes (A, B, C). Class A is free. For Class B and C, the first 2,500 transactions per day are free. Our backblaze pricing calculator simplifies this by assuming a monthly free tier.
Billable Transactions = Max(0, Total Transactions – (2,500 × 30))
Transaction Cost = (Billable Class B / 1000 × $0.004) + (Billable Class C / 1000 × $0.004)
Final Total Cost:
Total Monthly Cost = Storage Cost + Download Cost + Transaction Cost
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Storage Amount | Total data stored on B2 | GB | 100 – 1,000,000+ |
| Download Amount | Data transferred out from B2 per month | GB | 10 – 100,000+ |
| Class B/C Transactions | API operations per month | Thousands | 1 – 1,000,000+ |
Practical Examples (Real-World Use Cases)
Example 1: Small Business Backup
A small graphic design studio needs to back up 2,500 GB (2.5 TB) of project files. They estimate downloading about 50 GB per month for restores and use approximately 20,000 Class B and 20,000 Class C transactions. Using the backblaze pricing calculator:
- Storage Cost: (2500 GB – 10 GB) * $0.006 = $14.94
- Download Cost: Free allowance is 2500 GB * 3 = 7500 GB. Since 50 GB is less than this, the cost is $0.00.
- Transaction Cost: The usage is well within the free daily limits, so the cost is $0.00.
- Total Estimated Monthly Cost: $14.94
Example 2: Media Content Delivery
A podcasting platform stores 10,000 GB (10 TB) of audio files. They serve a high volume of downloads, totaling 5,000 GB per month. Their application makes 500,000 Class B and 100,000 Class C transactions.
- Storage Cost: (10000 GB – 10 GB) * $0.006 = $59.94
- Download Cost: Free allowance is 10000 GB * 3 = 30000 GB. Their 5000 GB usage is free. Cost is $0.00.
- Transaction Cost: This usage exceeds the free tier. The billable amount would be calculated, resulting in a minor fee. For simplicity, let’s estimate a few dollars. This highlights why a detailed backblaze pricing calculator is so useful for high-transaction scenarios.
- Total Estimated Monthly Cost: ~$65 (mostly from storage)
How to Use This Backblaze Pricing Calculator
Our backblaze pricing calculator is designed for simplicity and accuracy. Follow these steps to estimate your costs:
- Enter Storage Amount: Input the total amount of data in Gigabytes (GB) you plan to store. Remember, 1 TB = 1000 GB.
- Enter Download Amount: Input your estimated monthly data download (egress) in GB. This is the data you’ll be transferring out from Backblaze’s servers.
- Enter Transactions: Provide your estimated number of monthly Class B and Class C API transactions in thousands. For many users, this will fall within the free tier.
- Review Real-Time Results: The calculator updates automatically. The “Estimated Monthly Cost” provides the main result, while the intermediate values show the cost breakdown for storage, download, and transactions.
- Analyze the Breakdown Table: For a more granular view, the table shows exactly how your billable amounts are calculated against the free tiers.
- Use the Controls: Click “Reset” to return to default values or “Copy Results” to save a summary of your estimate to your clipboard for reports or comparisons.
Key Factors That Affect Backblaze Pricing Calculator Results
Several key factors influence the final cost shown by the backblaze pricing calculator. Understanding them helps in optimizing your spending.
- Total Data Stored: This is the most significant cost driver. The more data you store beyond the initial 10 GB, the higher your monthly bill. The pricing of $6/TB/month is linear.
- Data Egress (Download) Volume: While Backblaze has a generous free egress policy (3x stored data), exceeding this limit will incur charges. High-egress applications need to monitor this closely.
- API Transaction Volume: Applications that perform millions of API calls (e.g., listing, copying, or deleting many small files) may exceed the free daily transaction limits, leading to small but potentially noticeable charges.
- Data Redundancy Strategy: While not a direct input in the calculator, your strategy (e.g., storing data in multiple regions for disaster recovery, although B2 is single-region) would simply multiply your storage amount.
- Use of CDN Partners: Backblaze partners with CDNs like Cloudflare. Egress to these partners is often free and does not count against your egress allowance, a factor an advanced backblaze pricing calculator might consider. Learn about CDN integration.
- Data Lifecycle Management: Actively deleting old or unnecessary data can significantly reduce your storage footprint and, consequently, your monthly bill. This is a crucial cost optimization practice. Explore our data lifecycle guide.
Frequently Asked Questions (FAQ)
No, this is an independent tool designed to provide accurate estimates based on Backblaze’s publicly available pricing. For official quotes, please refer to the Backblaze website.
Backblaze Personal Backup is an unlimited backup solution for a single computer at a flat rate. B2 Cloud Storage is object storage for servers, NAS devices, and applications, billed by usage (pay-as-you-go). This backblaze pricing calculator is only for B2.
Backblaze is known for its transparent pricing with no hidden fees. The main costs are storage, egress, and transactions, all covered by this calculator. There are no charges for uploads or data deletion.
You can download up to 3 times the amount of data you are storing, on average, per month, for free. For example, if you store 1 TB, you get 3 TB of free downloads. Our backblaze pricing calculator automatically applies this generous allowance.
For the vast majority of use cases, yes. Backblaze B2 is typically about 1/5th the price of Amazon S3 for storage and has much more affordable and predictable egress fees. Check out our B2 vs. S3 analysis for more details.
Yes, the calculator scales linearly. You can enter storage amounts in the thousands or millions of gigabytes to estimate costs for enterprise-level data archiving and management.
Transactions are API calls your software makes to B2, like `upload`, `download`, or `list_files`. Most typical backup and storage applications stay well within the free tier of 2,500 free Class B and C transactions per day. Only very high-frequency applications need to budget for them.
No, uploading data to Backblaze B2 is completely free and does not factor into the backblaze pricing calculator‘s estimate.
Related Tools and Internal Resources
- AWS S3 Pricing Calculator – Compare your estimated Backblaze costs against what you might pay with Amazon S3.
- Cloud Storage ROI Calculator – Determine the return on investment when migrating your data to a more affordable platform like Backblaze.
- Complete Guide to Cloud Data Migration – A step-by-step guide for moving your data to B2 with minimal downtime.
- Backblaze S3-Compatible API Docs – Explore the developer documentation for integrating your application with B2.