Self-Employment Tax Calculator

Enter your net profit to estimate Social Security + Medicare (SECA) tax.

Updated for 2026 · SS wage base $184,500

Net self-employment profit (business income minus expenses) $ Filing status (for the 0.9% additional Medicare threshold)

Net earnings subject to SE tax (92.35%)$0.00

Social Security (12.4%)$0.00

Medicare (2.9%)$0.00

Additional Medicare (0.9%)$0.00

Estimated SE tax
file with Schedule SE $0.00

You can deduct $0.00 (half of your SE tax) as an above-the-line income-tax deduction. Effective SE rate on profit: 0%.

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