About this site
WEPcalculator.com is a free educational tool designed to help workers estimate how the Windfall Elimination Provision (WEP) might affect their Social Security retirement benefits.
What it does
- Provides a fast estimate using a simplified 2026 model.
- Applies the 50% pension guarantee safety rule.
- Offers a “what-if” scenario for the Social Security Fairness Act.
What it does NOT do
- It is not an official SSA determination.
- It does not store your inputs on any server.
- It does not guarantee future outcomes; laws can change.
Privacy-first
All calculations run locally in your browser. We never collect SSNs or personal financial data. See our Privacy Policy.
Last updated: February 2026