Self Employed FICA Tax Breakdown For Independent Contractors
📑 In this guide
The Core Formula
SE tax = 15.3% on 92.35% of net SE income; 50% of SE tax is deductible; SS portion caps at $184,500.
All figures use 2026 published baselines: federal standard deduction $16,100 (single) / $32,200 (married filing jointly), Social Security wage base $184,500, and the FLSA 40-hour workweek (2,080 hours/year). For state-specific rates, see the State Money Data hub.
Step-by-Step: Running the Math Yourself
- Net SE profit − half of SE tax = deductible.
- SS = 12.4% up to $184,500; Medicare 2.9% (＋0.9% over $200k/250k).
- Pay via quarterly estimated taxes.
- Deduct half SE tax on Form 1040.
$60,000 SE profit: SE tax ≈ $8,488; deductible half ≈ $4,244; effective rate ~14.1% of profit.
Component
| Item | Value |
|---|---|
| Social Security (12.4%) | to $184,500 |
| Medicare (2.9%) | all net |
| Deductible half | 50% of total |
Frequently Asked Questions
Q: Why 15.3% if I have no employer?
You pay both the employee and employer halves.
Q: Can I lower it?
Contribute to SEP/Solo 401(k) — lowers taxable SE income.
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Educational estimate only — not financial, tax, or legal advice. Verify with a CPA, tax professional, or state labor agency before acting. Data retrieved 2026-08-29.