Self-Employment Tax Calculator 2025–2026

Your business income minus business expenses (Schedule C net).
Sets the Social Security wage cap.
Only affects the high-earner 0.9% Medicare threshold.
Social Security wages from a regular job this year, if any.
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Net earnings subject to SE tax (92.35%)-
Social Security (12.4%)-
Medicare (2.9%)-
Total self-employment tax-
Deductible half (lowers income tax)-
Set aside per quarter (1040-ES share)-
Effective rate on your profit-

Estimates only — not tax advice. Full calculator, formulas & sources at FreelanceTally →