Calculate SE tax, deductions, and quarterly payments for self-employed.
Effective rate: 20.3%
Due Apr 15, Jun 15, Sep 15, Jan 15
| Net SE Income | $75,000 |
| SE Tax (15.3%) | $10,597 |
| ½ SE Tax Deduction | $5,299 |
| QBI Deduction | $13,940 |
| Federal Income Tax | $4,653 |
| Total Tax | $15,250 |
| Quarterly Payment | $3,812 |
Email your tax calculations and deduction opportunities
No spam, ever. We only email you about topics you care about. Unsubscribe anytime.
SE Tax = Net Income × 92.35% × 15.3%
Deduct half of SE tax. QBI deduction up to 20% of qualified income.
SE tax replaces FICA (Social Security + Medicare) for self-employed. Employees pay 7.65% and employer matches. Self-employed pay both halves: 15.3%.
Yes — SE tax (15.3%) is separate from federal income tax. Total tax burden for self-employed can reach 40-50% including income, SE, and state taxes.
Max out SEP-IRA or Solo 401k (up to $70K in 2025). Elect S-Corp status at $80K+ profit. Maximize business deductions. Health insurance deduction.
SE tax applies on net self-employment income over $400. Below $400: no SE tax required. Social Security portion (12.4%) applies up to $176,100 wage base (2025). Medicare (2.9%) applies to all income with no cap.
A Solo 401k (or SEP-IRA) reduces net SE income, lowering SE tax. Contribute up to 25% of net SE earnings as employer + $23K as employee. Massive tax saver.
10 min read
9 min read
10 min read
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.