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