North Carolina Income Tax Calculator 2026 โ 3.99% Flat Rate
Calculate your 2026 North Carolina state income tax at the flat 3.99% rate with standard deduction and child deduction. NC vs SC, VA, TN, GA comparison.
North Carolina Tax Breakdown
Tax Computation Summary
How to Use This North Carolina Income Tax Calculator
Enter your annual gross income, select your filing status, and enter the number of qualifying children (for the child deduction). The calculator applies North Carolina's 2026 standard deduction ($12,750 single / $25,500 MFJ), child deduction ($2,500 per child, max $7,500), then the flat 3.99% rate. Results update instantly.
North Carolina has no personal exemptions โ only the standard deduction and the child deduction reduce your taxable income. North Carolina also has no local income taxes, making this calculation straightforward.
The Formula
NC Child Deduction: $2,500 per qualifying child (max $7,500 / 3 children)
NC Taxable Income = Gross Income โ Standard Deduction โ Child Deductions
NC Tax = NC Taxable Income ร 3.99%
NC Effective Rate = NC Tax รท Gross Income ร 100
Example
NC standard deduction: $25,500 (MFJ)
NC child deduction: 2 ร $2,500 = $5,000
NC taxable income: $120,000 โ $25,500 โ $5,000 = $89,500
NC income tax: $89,500 ร 3.99% = $4,028
NC effective rate: 3.36% | NC marginal rate: 3.99% (flat)
NC vs Neighboring States Comparison
Compare North Carolina tax burden against South Carolina, Virginia, Tennessee, and Georgia
Compare North Carolina total tax burden (federal + state) against neighboring states at your income level.
Total Tax Burden: NC vs Neighboring States
| State | Tax Structure | State Tax | Federal Tax | Combined Total | Combined Eff. Rate |
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Rate trajectory: North Carolina's flat rate is on a legislated glide path โ 4.75% (2024) โ 3.99% (2026) โ 4.25% (2026) โ 3.99% (2027). If revenue targets continue to be met, NC could be at 2.49% by 2030, making it one of the most competitive income tax states in the Southeast while still maintaining services funded by the broad tax base of the Research Triangle and Charlotte metro areas.