How this calculator works
Tax year: 2024. The standard deduction and $1,000 dependent exemptions are included. High-income bracket-benefit recapture follows the 2024 tax computation worksheets. NYC tax is optional and uses continuous rate bands; city credits and Yonkers taxes are excluded. Federal income tax, Social Security, Medicare, state disability insurance and unentered credits are excluded. The remaining amount is not full take-home pay. Rate-band estimates can differ from the official small-income tax tables. Property tax, where shown, is separate from the pay-period amount.
Formula
Taxable income = max(0, state AGI - additional eligible adjustments - allowed deductions and exemptions). Apply state bands and applicable supplements, then subtract supplied non-refundable credits. Average period amount = (AGI - listed income taxes - post-tax deductions) / annual pay periods.
Worked example
A single filer with $18,000 AGI and the $8,000 standard deduction has $10,000 taxable income. The rate schedule gives $340 plus 4.5% of $1,500, or $407.50 before credits.
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Frequently asked questions
Which year does this use?
The fixed state rules on this page are for 2024. Later-year returns require updated thresholds and deductions.
Is the remaining amount my paycheque?
No. Federal tax, payroll contributions and other unentered deductions are not included. It is income after only the listed worksheet items.
Should retirement contributions be entered twice?
No. Enter them only if they are eligible state adjustments not already excluded from the AGI you supplied.