Self-Employment Tax for Kansas (2026)
Kansas (KS) Key Facts
Federal S E Tax Rate
15.3%
State Income Tax Rate
5.7%
Combined S E + State Rate
21.0%
S E Tax Components
12.4% Social Security + 2.9% Medicare
How This Calculator Works in Kansas
This calculator estimates your total self-employment tax in Kansas, including the federal 15.3% SE tax and Kansas's state income tax. Enter your net SE income to see your liability.
Kansas Overview
Self-employed workers in Kansas pay the federal 15.3% SE tax plus state income tax at up to 5.7%, for a combined burden of approximately 21.0%. Quarterly estimated payments are typically required for both federal and state obligations.
How Kansas Compares
Kansas's combined SE burden of 21.0% compares to Missouri at 20.1% and Nebraska at 21.1%. State income tax creates meaningful differences between states.
| State | Top Rate | Notes |
|---|---|---|
| Missouri | 4.8% | Missouri has a state income tax on SE income rate of 4.8%. |
| Nebraska | 5.84% | Nebraska has a state income tax on SE income rate of 5.84%. |
| Colorado | 4.4% | Colorado has a state income tax on SE income rate of 4.4%. |
Kansas's state income tax on SE income rate of 5.7% compares to a national average of approximately 5.04%. This is above the national average.
Tips for Kansas Residents
- 1Federal self-employment tax is 15.3% (12.4% Social Security + 2.9% Medicare) regardless of state.
- 2Kansas adds state income tax at up to 5.7% on self-employment income, for a combined rate of about 21.0%.
- 3Make quarterly estimated payments for both federal and Kansas state taxes to avoid underpayment penalties.
- 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.