FERS Retirement Calculator app icon

FERS Retirement Calculator

In the workshop

Estimate your FERS annuity

Store name: FERS Retirement Calculator

Finance$4.99In the workshop

What it is

FERS Calc estimates a federal employee's retirement annuity under the Federal Employees Retirement System. Enter your birth year, high-3 salary, service, and sick leave and see your monthly annuity with every step of the arithmetic shown, plus which eligibility rule you hit and your soonest unreduced date.

Why we built it

About two million FERS employees plan their retirement against dated web forms and spreadsheets. The exact math, MRA table, the 1.0 versus 1.1 percent multiplier, sick-leave credit, survivor elections, the annuity supplement, is public but scattered and easy to get wrong. The gap was a modern, offline estimator that computes from published OPM rules and shows its work, clearly unofficial.

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Every app on the shelf started as one honest problem, scoped small and built native, end to end. That’s exactly how we approach client work — designed, built and shipped, without the bloat.