Self-employed
Estimate your self-employment tax for 2026
Estimate the federal self-employment tax layer only for the reviewed 2026 year. Choose one reviewed pilot state so the follow-up routes stay aligned, but the selected state does not change the federal result shown here.
Calculator inputs
Enter the details for an educational estimate
Estimate result
Estimated self-employment tax
Enter the reviewed year, net self-employment income, filing status, and one reviewed pilot state to see the estimate.
Educational estimates, not tax advice.
Trust and disclosure
Check the method before you rely on this estimate
Educational estimate only. Uses 2026 federal rates and simplified assumptions. Not tax, legal, or financial advice. If you also have W-2 Medicare wages, verify the combined assumption with Form 8959 and its current IRS instructions.
Reviewed federal tax year: 2026
Last updated: March 31, 2026
Estimate method
How this estimate works
- Start with annual net self-employment income and one reviewed pilot state. The state selection keeps follow-up routes aligned but does not change the federal math shown here.
- Apply the reviewed 92.35% net-earnings factor so the estimate follows the standard Schedule SE earnings base before tax rates are applied.
- Check the reviewed $400 threshold, then apply Social Security only up to the wage base and Medicare across the remaining reviewed net earnings.
- Add Additional Medicare only when the filing-status threshold is crossed on the facts entered here, while separate W-2 Medicare wages stay outside this route.
- Show both the estimated total SE tax and the deductible half so the result can be reused in quarterly-planning or wider federal review work.
Reviewed scenarios
Worked examples
Low-income baseline example
At $50,000.00 of net self-employment income, this reviewed example lands near $7,064.78 of total self-employment tax and about $3,532.39 as the deductible half for AGI context. It is useful for seeing how the route behaves before the Social Security wage-base edge cases start to matter.
Reviewed assumptions
- This worked example stays federal-only and excludes state income tax or state payroll tax treatment.
- The pilot-state selection only affects follow-up routing and does not change the federal estimate.
Traceability checks
- The estimate reflects reviewed federal assumptions only.
- The reviewed 92.35% net-earnings factor is applied before self-employment tax is calculated.
- Separate W-2 Medicare wages are not included in this self-employment estimate.
Wage-base crossover example
At $200,000.00 of net self-employment income, this reviewed example shows about $28,234.30 of total self-employment tax, with Medicare near $5,356.30 after the Social Security wage-base limit is crossed. It helps explain why the marginal pattern changes once only Medicare remains active on the additional earnings.
Reviewed assumptions
- This worked example stays federal-only and excludes state income tax or state payroll tax treatment.
- The pilot-state selection only affects follow-up routing and does not change the federal estimate.
Traceability checks
- The estimate reflects reviewed federal assumptions only.
- The reviewed 92.35% net-earnings factor is applied before self-employment tax is calculated.
- Separate W-2 Medicare wages are not included in this self-employment estimate.
Additional Medicare and W-2 caveat example
At $250,000.00 of net self-employment income for a single filer, this reviewed example reaches about $29,851.25 of total self-employment tax with an effective rate near 11.94%. Separate W-2 Medicare wages are still outside this route, so the example is a route-boundary reminder as much as a math example.
Reviewed assumptions
- This worked example stays federal-only and excludes state income tax or state payroll tax treatment.
- The pilot-state selection only affects follow-up routing and does not change the federal estimate.
Traceability checks
- The estimate reflects reviewed federal assumptions only.
- The reviewed 92.35% net-earnings factor is applied before self-employment tax is calculated.
- Separate W-2 Medicare wages are not included in this self-employment estimate.
Questions about this self-employment estimate
Disclaimer
Educational estimate only. Uses 2026 federal rates and simplified assumptions. Not tax, legal, or financial advice. If you also have W-2 Medicare wages, verify the combined assumption with Form 8959 and its current IRS instructions.