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The Compliance Cost Institute

Reserved vs On-Demand Instance Savings Calculator

Free reserved instance savings calculator. Compare on-demand vs 1-year and 3-year RI costs with spot mix and Savings Plans analysis for AWS workloads.

Step 1 of 333% complete

Instance Configuration

Average on-demand hourly price for your primary instance type (e.g., m5.xlarge at ~$0.192/hr, c5.2xlarge at ~$0.34/hr)

$0.01$0.5$20
$

Total number of EC2 instances across your workloads that you want to optimize for cost

1201,000

Average daily runtime; 24 hours for always-on production workloads, lower for dev/test environments

1 hr24 hr24 hr
hr

All calculations run locally in your browser. No data is stored or transmitted.