How much does S3 data transfer cost?

S3 to Internet: $0.09/GB (first 10TB/month), $0.085/GB (next 40TB), $0.07/GB (next 100TB). S3 to CloudFront: free. S3 to EC2 in same region: free. S3 to EC2 in different region: $0.02/GB.

How can I reduce S3 egress costs?

Route traffic through CloudFront (free from S3 to CloudFront). Use S3 Transfer Acceleration only when needed ($0.04-0.08/GB extra). Keep compute in the same region as S3 buckets.

What is the S3 free data transfer allowance?

First 100GB/month of S3-to-internet egress is free. Additionally, all inbound data transfers to S3 are free. Data between AWS services in the same region (except cross-AZ) is typically free.

AWS S3 Data Transfer Cost Calculator

Calculate AWS S3 data transfer (egress) costs. Outbound data to the internet costs $0.09/GB; transfers to CloudFront are free. Model monthly egress bills.

AI & SaaS Tools

SaaS Metrics

AI Compute

AI ROI

LTV:CAC Ratio

ARPU ($/month)

Monthly Churn %

CAC ($)

Gross Margin %

LTV

$3500

LTV:CAC

11.67

Payback

2.9 mo

Health

Healthy ✓

Benchmark: LTV:CAC ≥ 3 is healthy. Payback under 12 months is excellent. Under 1 means you lose money on each customer.

How to Use

Enter the values for the scenario you are assessing. Calculate AWS S3 data transfer (egress) costs. Outbound data to the internet costs $0.09/GB; transfers to CloudFront are free. Model monthly egress bills. Use the s3 transfer cost result to inform your calculation.

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AWS S3 Data Transfer Cost Calculator

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Frequently Asked Questions

How much does S3 data transfer cost?

How can I reduce S3 egress costs?

What is the S3 free data transfer allowance?