How to use this calculator
An annualized educational estimate for a single US W-2 employee in tax year 2026. Not a payroll withholding or filing calculator.
Federal calculation
Uses the 2026 standard deduction and federal brackets for single filers, plus employee Social Security and Medicare taxes.
Pre-tax deductions
Traditional 401(k) deferrals lower the simplified federal taxable income but not FICA wages; qualifying pre-tax health premiums reduce both.
What it excludes
Other filing statuses, dependents, tax credits, itemized deductions, special overtime and tip rules, self-employment, employer benefits, multiple jobs, and local rules. Your actual paycheck can differ substantially. Enter an estimated effective state/local tax percentage.
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