# AWS S3 Cost Calculator

- **URL:** https://codeasystem.com/calculators/developer/aws-s3-cost-calculator/
- **Category:** developer
- **Description:** Estimate monthly S3 spend from storage volume, PUT/GET request counts and internet egress using snapshot tier pricing.
- **Primary output:** Estimated monthly S3 bill: $12.73

## Inputs
- Storage stored (name: `storageGb`, type: number, example: 500)
- PUT requests (name: `putThousands`, type: number, example: 50)
- GET requests (name: `getThousands`, type: number, example: 200)
- Internet egress (name: `egressGb`, type: number, example: 10)

## Outputs
- Estimated monthly S3 bill: $12.73
- Storage; 500 GB @ $0.023/GB-mo: $11.50
- PUT requests; 50k @ $0.005/1k: $0.25
- GET requests; 200k @ $0.0004/1k: $0.08
- Egress; 10 GB @ $0.09/GB: $0.90
- Free-tier simplification: All egress charged at $0.09/GB; the real first 100 GB/month to the internet is free.

## Formula / methodology
```
cost = GB·$0.023 + PUTk·$0.005 + GETk·$0.0004 + egressGB·$0.09
```

Each component prices independently: storage at a flat $0.023/GB-month assumption, PUTs at $0.005 per thousand, GETs at $0.0004 per thousand, and internet egress at $0.09/GB. Simplifications are stated openly rather than hidden: the flat storage rate ignores tiering past 50 TB, and all egress is charged even though the first 100 GB/month is free.

## Assumptions & limitations
- us-east-1 Standard class snapshot checked August 2026.
- Flat $0.023/GB-month applied; real tiers drop after the first 50 TB.
- Static us-east-1 on-demand snapshot prices checked August 2026; AWS changes pricing frequently; always confirm current rates.

## How to use
1. **Enter average stored bytes**; CloudWatch’s BucketSizeBytes monthly average is the figure billing uses.
2. **Add request volumes**; CloudFront or server access logs give PUT/GET counts; thousands are entered, not raw counts.
3. **Include egress**; Data served to the internet dominates many bills; CloudFront in front of S3 cuts this substantially.

## Example
Half a terabyte stored, 50k PUTs, 200k GETs and 10 GB of egress runs about $11.50 + $0.25 + $0.08 + $0.90 = $12.73/month.

Result for these inputs:

```
Estimated monthly S3 bill: $12.73
```

## About this calculator
### Requests are cheap until they are not

A thousand GETs costs four-tenths of a cent, but a busy app issuing millions daily turns pennies into hundreds of dollars. Lifecycle-ing cold objects to infrequent-access or archive classes attacks both storage and retrieval lines together.

### Egress is the usual surprise

At $0.09/GB, serving a terabyte costs $92. CDNs front S3 with cheaper delivery plus free-tier effects, which is why nearly every serious S3 workload ends up behind CloudFront. This calculator charges all egress deliberately; treat its figure as a conservative ceiling.

## FAQs
### Is the first 100 GB of egress really charged here?

Yes, deliberately simplified and noted in the rows. Real AWS gives 100 GB/month free, so treat results as an upper bound.

### Do other storage classes change the math?

Considerably; infrequent access is ~$0.0125/GB-month with pricier retrievals; Glacier classes go far lower with delayed access.

### Are versioning and lifecycle transition costs included?

No; versioned buckets accumulate storage, and transitions themselves bill per thousand objects. Add headroom for both.

> **Disclaimer:** This calculator is for general educational purposes only and does not constitute professional advice.

## Related calculators
- [AWS EC2 Cost Calculator](https://codeasystem.com/calculators/developer/aws-ec2-cost-calculator/)
- [Storage Growth Calculator](https://codeasystem.com/calculators/developer/storage-growth-calculator/)
- [Unit Price Comparison Calculator](https://codeasystem.com/calculators/everyday/unit-price-comparison-calculator/)

---
Last updated: 2026-08-23 · Version: 1.0.0 · [HTML version](https://codeasystem.com/calculators/developer/aws-s3-cost-calculator/)