Self-Employment Tax Calculator 2026
Calculate your self-employment tax (SE tax) instantly. Get a detailed breakdown of Social Security, Medicare, and Additional Medicare taxes based on 2026 IRS rates.
Calculate Your SE Tax
Enter your net self-employment income
Social Security Tax
$0
12.4% (capped at $168,600)
Medicare Tax
$0
2.9% (no cap)
Additional Medicare Tax
$0
0.9% (over threshold)
Total SE Tax
$0
Your total self-employment tax
Calculation Breakdown
Gross Income:
$0
Business Expenses:
-$0
Net Self-Employment Income:
$0
Adjusted Net (92.35%):
$0
Social Security Tax (12.4%):
$0
Medicare Tax (2.9%):
$0
Additional Medicare (0.9%):
$0
Total Self-Employment Tax:
$0
💰 Tax Deduction Benefit
You can deduct 50% of your self-employment tax when calculating your income tax. This reduces your adjusted gross income (AGI).
Deductible Amount (50% of SE Tax):
$0
This deduction is taken on Schedule 1 (Form 1040) and reduces your taxable income for federal income tax purposes.
📌 Important Notes:
- Social Security cap: Only the first $168,600 of net earnings is subject to the 12.4% Social Security tax (2026 projected)
- Medicare has no cap: The 2.9% Medicare tax applies to all net earnings
- Additional Medicare Tax: 0.9% applies to earnings over $200k (single) or $250k (married filing jointly)
- Quarterly payments: Divide your total SE tax by 4 for quarterly estimated payments
Disclaimer: This calculator provides estimates based on 2026 projected tax rates.
Actual tax liability may vary. Consult a licensed CPA or tax professional for personalized advice.