North Carolina Self-Employment Tax Calculator 2026
North Carolina has a flat income tax rate of 4.5%. Use this calculator to estimate your total tax liability including federal self-employment tax, federal income tax, and North Carolina state income tax.
Your 2026 Tax Estimate — North Carolina
Total Tax
$0
Take Home
$0
Effective Rate
0%
Quarterly Payment
$0
Tax Breakdown
Quarterly Estimated Tax Schedule
Self-Employment Tax in North Carolina (NC)
If you're self-employed in North Carolina, you'll pay three types of tax on your 1099 income: federal self-employment tax (15.3%), federal income tax (10-37% depending on your bracket), and North Carolina state income tax. North Carolina has a flat income tax rate of 4.5%.
Important note: North Carolina has been reducing its flat rate annually.
How Self-Employment Tax Works
The federal self-employment tax rate is 15.3% — covering both Social Security (12.4%) and Medicare (2.9%). This is calculated on 92.35% of your net self-employment earnings. For 2026, Social Security tax applies to earnings up to $176,100. You can deduct half of your SE tax when calculating your federal income tax, which reduces your overall tax burden.
Other States
No Income Tax States
North Carolina Tax Quick Facts
- Income Tax
- Yes
- Tax Type
- flat
- Rate
- 4.50%
- Federal SE Tax
- 15.3%