Bandwidth Cost Calculator

Estimate monthly cloud egress costs by entering data transfer volume and comparing rates across AWS, GCP, Azure, and Cloudflare.

Data Transfer Volume

= 512,000 GB / mo

Flat rate — leave blank to hide

Pricing notes

  • Rates are public list prices, mid-2025.
  • Ingress is $0 for all listed providers.
  • Cloudflare charges $0 egress (unmetered CDN).
  • AWS/GCP/Azure use tiered pricing.
  • Excludes request fees and storage costs.

Monthly Cost Estimate

Enter a volume and click Calculate.

Enter a transfer volume to see cost estimates.

Summary

Estimate monthly cloud egress costs by entering data transfer volume and comparing rates across AWS, GCP, Azure, and Cloudflare.

How it works

  1. Enter your estimated monthly data transfer volume in GB or TB.
  2. Select or confirm the pricing tier that matches your volume range.
  3. The calculator applies each provider's tiered pricing model automatically.
  4. Compare the monthly cost estimate for AWS, GCP, Azure, and Cloudflare side by side.
  5. Use the custom rate row to add any other CDN or cloud provider price.
  6. Adjust inputs to model cost at different growth scenarios.

Use cases

  • Estimate cloud CDN spend before choosing a provider.
  • Compare AWS vs. Cloudflare egress costs for a high-traffic API.
  • Model bandwidth savings from switching to Cloudflare's zero-egress plan.
  • Budget monthly infrastructure costs for a SaaS product launch.
  • Quickly sanity-check a cloud invoice against expected data transfer.
  • Plan cost impact of a traffic spike or viral event.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu