Free tool / No signup

Find the waste.

Plug in a few numbers from your AWS bill. See a directional estimate, then check the assumptions against your workload.

Use the two-week average of CPUUtilization in CloudWatch.

Estimated annual savings

$44,050

$3,671 / month · 31% of your bill

NAT → VPC endpoints$151 / mo
Compute rightsizing$3,000 / mo
Spot / Karpenter$520 / mo
Verify it with a free bill review ↗

A directional estimate using the original tool's assumptions, not a quote or a guaranteed saving. Real results depend on your Cost & Usage Report, region, endpoint costs, and workload suitability.

Behind the estimate

NAT Gateways

The original calculator assumes $0.045/hour over 730 hours, plus $0.045/GB processing, with 80% removable through endpoints. Endpoint charges and traffic suitability need a separate review.

Rightsizing

Compare average CPU usage with a 60% target, capped at 60% of compute spend. Memory, peaks, and workload limits still need review before resizing.

Spot workloads

Assume 40% of the remaining compute is interruption-tolerant, with a 65% discount. Savings are applied after rightsizing; the combined estimate is capped at your total bill.

These are preserved modeling assumptions from the original site, not a live pricing feed. Check current AWS VPC pricing ↗

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