AWS Savings Plan Calculator: 1-Year vs 3-Year vs On-Demand

savings-plan-calculator.sh

Monthly On-Demand Compute Spend // EC2 + Lambda + Fargate eligible

$ / month

Savings Plan Type

Payment Option

// recommendation

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saved over
1 year

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saved over
3 years

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discount vs
on-demand

// annual cost comparison

ON-DEMAND 1-YR SP 3-YR SP

Monthly cost

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12-month total

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36-month total

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Discount

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Discount rates based on AWS published Savings Plans pricing (June 2026). Compute SP (No Upfront): ~37% (1yr) / ~54% (3yr). EC2 Instance SP (No Upfront): ~41% (1yr) / ~60% (3yr). Partial/All Upfront add 2–3% additional discount. Actual rates vary by instance family, region, and OS. Verify at aws.amazon.com/savingsplans/pricing before purchasing.

Also: Reserved Instance vs Savings Plan comparison

Full guide on when to use RIs vs Savings Plans — and the RI calculator

RI vs SP Guide →

← Recalculate with different inputs

Compute Savings Plans vs EC2 Instance Savings Plans

Compute Savings Plans are the right default for most organizations. EC2 Instance Savings Plans offer a slightly deeper discount but lock you to a specific instance family and region. If you're planning a Graviton migration, changing instance types, or shifting workloads between EC2 and Lambda, Compute Savings Plans follow your workload automatically.

Savings Plans work differently from Reserved Instances: instead of committing to specific instance types, you commit to a dollar amount per hour (e.g., $15/hr). AWS automatically applies the discount to eligible usage — EC2, Lambda, and Fargate — in any region, any instance family. See our full Reserved Instances vs Savings Plans guide and the Savings Plans glossary entry for the complete comparison.

Compute Savings Plan or Reserved Instance?

Also: Reserved Instance vs Savings Plan comparison

Compute Savings Plans vs EC2 Instance Savings Plans

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