Overtime Tax Calculator for North Carolina

When you work overtime in North Carolina, each extra hour is subject to federal supplemental withholding (typically 22%), FICA (7.65%), and North Carolina's flat 3.99% state tax. Without local income taxes, the state rate is the only additional layer. The overtime calculator shows you the real after-tax value of overtime work with North Carolina rates, so you can decide whether extra hours are worth it.

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 overtime tax 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.