Sub Box Calculator

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Verified by: David Chen, CFA • Cloud Infrastructure Analyst

Estimate your monthly AWS S3 costs accurately with our professional S3 pricing calculator. This tool accounts for storage volume, request types, and data transfer to help you optimize your cloud budget.

S3 Pricing Calculator

Estimated Monthly Total
$0.00

S3 Pricing Calculator Formula

Total Cost = (Sg × Sp) + (Rp / 1000 × Rpc) + (Rg / 1000 × Rgc) + (To × Tp)

Source: AWS S3 Official Pricing | Cloud Storage Benchmarks

Variables:

  • Sg: Total Storage in Gigabytes.
  • Sp: Price per GB per month (Standard tier ~ $0.023).
  • Rp: Number of PUT/COPY/POST requests.
  • Rgc: Cost per 1,000 GET requests (~ $0.0004).
  • To: Data Transfer Out to the internet in GB.

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What is S3 Pricing Calculator?

An S3 Pricing Calculator is a specialized financial tool designed to estimate the recurring monthly costs associated with Amazon Simple Storage Service (S3). Unlike flat-rate storage, S3 follows a pay-as-you-go model that varies based on storage class, geographic region, and usage patterns.

This tool simplifies complex AWS billing structures by breaking down costs into four main pillars: data storage, request management (PUT/GET), data retrieval, and data transfer out. It is essential for DevOps engineers and financial analysts to prevent “cloud bill shock.”

How to Calculate S3 Pricing (Example)

  1. Identify your Total Storage (e.g., 5,000 GB). Multiply by $0.023 = $115.00.
  2. Count your GET Requests (e.g., 1,000,000). (1M / 1000) * $0.0004 = $0.40.
  3. Estimate Data Transfer Out (e.g., 100 GB). Multiply by $0.09 = $9.00.
  4. Sum all components to get the total monthly estimate ($124.40).

Frequently Asked Questions (FAQ)

Is there a free tier for S3?

Yes, the AWS Free Tier includes 5 GB of S3 Standard storage, 20,000 GET requests, and 2,000 PUT requests per month for the first year.

What is the most expensive part of S3?

For most users, “Data Transfer Out” (egress) to the internet is the most expensive variable, often costing significantly more than the storage itself.

How do PUT and GET requests differ in cost?

PUT requests (writing data) are generally 10 to 12 times more expensive than GET requests (reading data) per thousand units.

Are storage prices the same in all regions?

No, S3 pricing varies by AWS region. For example, US East (N. Virginia) is typically cheaper than regions in South America or Africa.

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