Self-Employment Tax for New Hampshire (2026)
New Hampshire (NH) Key Facts
Federal S E Tax Rate
15.3%
State Income Tax Rate
0%
Combined S E + State Rate
15.3%
S E Tax Components
12.4% Social Security + 2.9% Medicare
How This Calculator Works in New Hampshire
This calculator estimates your total self-employment tax in New Hampshire, including the federal 15.3% SE tax and applicable federal income tax. Enter your net SE income to see your liability.
New Hampshire Overview
Self-employed workers in New Hampshire pay the federal 15.3% SE tax plus state income tax at flat 3%, for a combined burden of approximately 18.3%. New Hampshire does not tax earned income, so self-employed workers only owe federal SE tax. The 3% interest/dividends tax is being phased out.
How New Hampshire Compares
New Hampshire's combined SE burden of 15.3% compares to Maine at 22.5% and Vermont at 24.1%. No state income tax keeps the SE burden at the federal minimum.
| State | Top Rate | Notes |
|---|---|---|
| Maine | 7.15% | Maine has a state income tax on SE income rate of 7.15%. |
| Vermont | 8.75% | Vermont has a state income tax on SE income rate of 8.75%. |
| Massachusetts | 5% | Massachusetts has a state income tax on SE income rate of 5%. |
New Hampshire's state income tax on SE income rate of 0% compares to a national average of approximately 5.04%. This is below the national average.
Tips for New Hampshire Residents
- 1Federal self-employment tax is 15.3% (12.4% Social Security + 2.9% Medicare) regardless of state.
- 2New Hampshire adds state income tax at flat 3% on self-employment income, for a combined rate of about 18.3%.
- 3New Hampshire does not tax earned income, so self-employed workers only owe federal SE tax. The 3% interest/dividends tax is being phased out.
- 4Deduct half of your SE tax on your federal return and track all business expenses to minimize net self-employment income.
- 5Consider whether an S-Corp election could reduce your SE tax burden if your net income exceeds $50,000-$60,000.