North Carolina charges 3.99% flat state income tax. Use the w-4 withholding calculator pre-loaded with North Carolina rates.
Open W-4 Withholding Calculator →Getting your W-4 right in North Carolina is important because you need to coordinate federal withholding with North Carolina's flat 3.99% state withholding. If your W-4 is set too conservatively, you lend the government an interest-free loan; too aggressively, and you face an underpayment penalty. This calculator helps you dial in the right federal withholding amount given your North Carolina state tax situation.
North Carolina levies a flat 3.99% state income tax on all taxable income regardless of how much you earn. This makes tax planning straightforward: for every additional dollar you earn, 3.99 cents goes to North Carolina. North Carolina does not impose local income taxes, so the 3.99% flat rate is the only state-level income tax you owe.
The table below shows what you actually keep at five salary levels in North Carolina, accounting for federal tax, FICA, and North Carolina's flat 3.99% state tax.
See how North Carolina compares to other South states. Each link takes you to the w-4 withholding calculator landing page for that state.
For a comprehensive breakdown of North Carolina’s tax structure, salary comparisons, cost-of-living analysis, and more, visit the full North Carolina take-home pay page.