PaycheckBeaconFederal income tax
Annualized taxable wages are reduced by the 2026 standard deduction for the selected filing status, then the 2026 federal marginal tax schedule is applied. This is a planning estimate and is not the same as reproducing every step of IRS Publication 15-T or a full Form W-4 payroll engine.
FICA
Employee Social Security is 6.2% up to the 2026 $184,500 wage base. Medicare is 1.45% on covered wages, with 0.9% Additional Medicare withholding above the employer withholding threshold of $200,000.
State calculation
States are modeled from their 2026 tax or withholding structures where official information is available. Complex states display explicit limitation text. California uses the 2026 EDD Method B schedule and SDI; New York uses the 2026 NYS-50-T-NYS annualized exact-calculation method and Paid Family Leave deduction; Ohio uses the statutory 2026 base-tax formula; South Carolina uses its 2026 reform structure; Utah uses its 2026 withholding-rate formula approximation.
Credits, exemptions and local tax
Selected state exemptions and credits are modeled where they materially improve the estimate and can be expressed without inventing taxpayer facts. Local tax remains user-entered because a state selection alone is not enough to determine a city or county liability.
Data changes
Corrections are listed in the tax-data changelog. Each state page displays a last-verified date and links to its source.