AWS S3 Cost Calculator
S3 Standard
S3 Intelligent-Tiering
S3 Standard-Infrequent Access (S3 Standard-IA)
S3 One Zone-Infrequent Access (S3 One Zone-IA)
S3 Glacier Instant Retrieval
S3 Glacier Flexible Retrieval
S3 Glacier Deep Archive
Understanding AWS S3 Costs and How This Calculator Works
Amazon Simple Storage Service (S3) is a highly scalable and durable object storage service. Its pricing model is designed to be flexible, charging you only for what you use. The primary cost components of S3 include: storage, requests, and data transfer. This calculator helps you estimate your monthly AWS S3 costs based on these key factors.
Key Cost Drivers:
- Storage: This is the cost of storing your data in S3. It's typically priced per Gigabyte (GB) per month. Different S3 storage classes (e.g., S3 Standard, S3 Standard-IA, S3 Glacier) offer varying levels of availability, durability, and retrieval times, with corresponding price differences.
- Requests: You are charged for the number of requests made to your S3 buckets. Common requests include PUT, COPY, POST, LIST, and GET. Different types of requests have different costs. For simplicity, this calculator aggregates common request types.
- Data Transfer: Data transfer costs apply when data is moved out of S3 to the internet or to other AWS regions. Data transferred into S3 from the internet is generally free.
Storage Class Pricing Assumptions (Illustrative – Subject to Change):
This calculator uses illustrative pricing tiers based on common AWS S3 storage classes. Please refer to the official AWS S3 pricing page for the most current and region-specific rates.
- S3 Standard: Designed for frequently accessed data. ~$0.023 per GB-month for the first 50 TB.
- S3 Intelligent-Tiering: Automatically moves data to the most cost-effective access tier. Pricing varies by access tier, but for estimation, we use a blended rate similar to S3 Standard for frequently accessed data, plus a small monitoring fee per object (not included in this simplified calculator).
- S3 Standard-IA: For data accessed less frequently but requiring rapid access. ~$0.0125 per GB-month for the first 50 TB.
- S3 One Zone-IA: Similar to S3 Standard-IA but stored in a single Availability Zone. ~$0.01 per GB-month for the first 50 TB.
- S3 Glacier Instant Retrieval: For data accessed rarely, requiring milliseconds retrieval. ~$0.004 per GB-month.
- S3 Glacier Flexible Retrieval: For archive data accessed once or twice a year. ~$0.0036 per GB-month.
- S3 Glacier Deep Archive: For long-term archival, accessed very rarely. ~$0.00099 per GB-month.
Request Pricing Assumptions (Illustrative):
Request costs vary significantly. This calculator uses simplified estimates:
- PUT, COPY, POST, LIST requests: ~$0.0000004 per request.
- GET, SELECT, and all other requests: ~$0.000000004 per request.
- For this calculator, we'll use a blended rate assuming a mix, or a higher rate for simplicity if GET requests dominate. We'll use ~$0.0000004 per request for all aggregated requests for ease of estimation.
Data Transfer Pricing Assumptions (Illustrative):
Data transfer out to the internet is a significant cost factor. Pricing typically tiers down.
- First 10 TB/month: ~$0.09 per GB
- Next 40 TB/month: ~$0.085 per GB
- … and so on. For simplicity, this calculator uses an average rate of ~$0.09 per GB for data transfer out to the internet.
How the Calculation Works:
The calculator sums the estimated costs for each component:
Total Monthly Cost = (Storage Cost) + (Request Cost) + (Data Transfer Cost)
- Storage Cost:
Monthly Storage (GB) * Price per GB-month (based on storage class) - Request Cost:
Total Requests * Price per Request (blended estimate) - Data Transfer Cost:
Data Transfer Out (GB) * Price per GB (internet transfer estimate)
Note: This calculator provides an estimation. Actual costs may vary based on your specific AWS region, actual request mix, data transfer destinations, and any AWS discounts or savings plans you may have. Always consult the official AWS pricing documentation and your AWS Cost Explorer for precise figures.