Educational estimate only — not tax advice, not a paycheck, and not affiliated with the IRS, SSA, any state tax agency, or any employer.Full disclaimer

Guides

Read before you trust a stub — or an estimate

Four explainers written for the same audience as the calculator. Still not tax advice.

How paycheck withholding works

Gross is not yours to spend. Here is the annual-method story behind federal, FICA, and state cuts.

W-4 basics

Filing status, dependents, and extra withholding after the 2020 redesign — without the old allowance folklore.

Hourly vs salary on a paycheck

Same annual dollars can produce different checks once hours, overtime, and frequency enter the picture.

FICA explained

Social Security, Medicare, the wage base, and Additional Medicare Tax in plain language.