Self-Employment Tax Calculator
See your full tax picture: SE tax + federal + state.
Revenue minus business expenses
From a day job, if any
Section 199A: Most sole proprietors qualify
Total Tax
$0
0% effective rate
Take-Home Pay
$0
$0/month
SE Tax (15.3%)
$0
Federal Income Tax
$0
State Income Tax
$0
Quarterly Estimated Tax Payments
Q1 (Apr 15)
$0
Q2 (Jun 15)
$0
Q3 (Sep 15)
$0
Q4 (Jan 15)
$0
Tax Breakdown
All States Comparison
Total tax on $100,000 SE income
| State | State Tax | Total Tax | Take-Home |
|---|
How Self-Employment Tax Works
When you're self-employed, you pay both the employer and employee portions of Social Security and Medicare taxes — a combined 15.3% on 92.35% of your net earnings.
SE Tax Breakdown
- Social Security: 12.4% on net earnings up to $176,100 (2026)
- Medicare: 2.9% on all net earnings (no cap)
- Additional Medicare: 0.9% on earnings above $200,000 (single) / $250,000 (married)
- Tax base: 92.35% of net self-employment income (you get a 7.65% reduction)
Key Deductions for Self-Employed
- Half of SE tax: Deductible from gross income (reduces income tax, not SE tax)
- QBI Deduction: 20% of qualified business income (Section 199A) — most sole proprietors qualify
- Health insurance: 100% deductible if self-employed (not calculated here)