Transparent calculations

Methodology

The calculator is built for planning decisions, not black-box payroll output. Every result starts with gross pay, then applies tax and deduction assumptions in the same order users expect to see on a paycheck.

1

Annualize income

Salary, hourly wage, monthly income, weekly income, daily pay, overtime, bonuses, and commissions are converted into an annual gross-pay estimate.

2

Apply deductions

Pre-tax deductions reduce taxable wages. Post-tax deductions reduce take-home pay but do not reduce taxable income in the model.

3

Estimate taxes

The model estimates federal income tax, New York State tax, NYC resident tax when selected, Social Security, Medicare, and Additional Medicare Tax.

4

Return paycheck views

Annual net pay is converted into monthly, semi-monthly, biweekly, weekly, daily, and hourly net estimates for easier budgeting.

Primary sources used

  • IRS federal tax inflation adjustments and marginal bracket schedules.
  • Social Security and Medicare payroll tax limits and rates.
  • New York State tax and withholding rate guidance.
  • New York City resident personal income tax rate schedules.

What this calculator does not assume

The estimate does not know your exact W-4 elections, itemized deductions, tax credits, employer-specific benefits, garnishments, stock compensation, multiple jobs, spouse income, or year-end reconciliation. Those can materially change final tax liability.

Best way to use the result

Use the result to compare offers, plan rent affordability, test deductions, model a raise, or understand a paycheck. For filing, withholding setup, or payroll compliance, verify the numbers with payroll software, official forms, or a qualified tax professional.

Last reviewed: May 14, 2026.