Federal income tax brackets by year
Per-year, per-filing-status bracket thresholds — pulled live from the database. Trace how each bracket moved with IRS chained-CPI inflation adjustments.
Live Data Products
DB-driven views of US federal and state tax data. Numbers refresh as IRS Revenue Procedures, IRS Statistics of Income, and state DOR data update — never hand-written.
State income tax data
Per-state income tax brackets, top marginal rates, no-tax states, standard deductions, and personal exemptions — live from the state DOR-sourced database.
Standard deduction year-by-year
Single, MFJ, HoH, MFS standard deduction amounts by year, with senior + blind add-ons — live from IRS Revenue Procedures.
Federal income tax calculator
Free, no-signup tool that computes federal income tax owed, marginal rate, effective rate, and after-tax income for any salary and filing status.