Self-Employment Tax Calculator
2025 Tax Year
Calculate your self-employment tax (Social Security and Medicare taxes) on freelance, 1099, or business income. This includes the 2025 wage base and thresholds.
Filing Status
Filing status affects the Additional Medicare Tax threshold ($200,000 for single filers)
Self-Employment Income
Your net profit from Schedule C (gross income minus business expenses)
If you also have W-2 wages, enter them here. This affects your Social Security tax calculation since there's a wage cap.
How Self-Employment Tax Works
Social Security Tax (12.4%)
Applied to net earnings up to $176,100 (2025 wage base)
Medicare Tax (2.9%)
Applied to all net earnings with no cap
Additional Medicare Tax (0.9%)
Applied to earnings over $200,000 threshold
Deductible Portion
You can deduct 50% of your SE tax from your income (this is the "employer" portion)
Tax Breakdown
This reduces your taxable income
2026 Payment Deadlines
File with Confidence
iFileTax handles Schedule SE automatically. Focus on your business, not your taxes.
Freelancer Tax HubDisclaimer
This calculator provides estimates only. Self-employment tax is calculated on 92.35% of net earnings. The 2025 Social Security wage base is $176,100. Actual results may vary. Consult a tax professional for personalized advice.