About this site
WEPcalculator.com is a free educational tool that helps you estimate how the Windfall Elimination Provision (WEP) might affect a Social Security retirement benefit.
What it does
- Provides a fast estimate using a simplified model (planning-grade).
- Applies a 50% pension cap safety rule.
- Offers a “what-if” scenario if WEP were fully removed.
What it does NOT do
- It is not SSA and does not provide official determinations.
- It does not collect SSN or store your calculator inputs on a server.
- It does not guarantee outcomes; laws and SSA rules can change.
Privacy-first
Calculations run locally in your browser. No signup. No SSN. See Privacy Policy.
Last updated: 2026-01-21