Self-Employment Tax Rate 2025: 15.3% Explained
The 2025 self-employment tax rate is 15.3% on 92.35% of net self-employment earnings. This covers both Social Security (12.4%) and Medicare (2.9%). You also owe federal income tax on top of this, but you can deduct half of SE tax when calculating your adjusted gross income.
15.3% combined rate on 92.35% of net earnings
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The SE Tax Formula Step by Step
The IRS applies SE tax to 92.35% of net earnings rather than the full amount. This mirrors the fact that employees only pay FICA on their wages after their employer's matching share is excluded.
// Step 1 - Net Profit
Net Profit = Gross SE Income - Business Expenses
// Step 2 - SE Taxable Earnings
SE Taxable = Net Profit x 0.9235
// Step 3 - SE Tax
SS Tax = SE Taxable x 12.4% (up to $176,100)
Medicare Tax = SE Taxable x 2.9%
Total SE Tax = SS Tax + Medicare Tax
// Step 4 - Deductible Half (reduces AGI, not SE tax itself)
Deductible Half = Total SE Tax x 0.50
Why 92.35%? When an employee earns wages, their employer pays 7.65% FICA on top of those wages. That employer share is not part of the employee's income. The 92.35% factor (1 - 0.0765) gives self-employed individuals the equivalent adjustment before applying the 15.3% rate.
SE Tax Calculation on $75,000 Net Profit
Freelancer with $90,000 gross income and $15,000 business expenses
Remember: SE tax is separate from federal income tax. On top of the $10,598 SE tax, this freelancer also owes federal income tax on net profit minus the deductible half. Use the Self-Employment Tax Calculator and Income Tax Calculator together for a complete picture.
How to Legally Reduce Your Self-Employment Tax
| Strategy | How It Reduces SE Tax |
|---|---|
| Maximize business deductions | Reduces net profit, which directly reduces SE taxable earnings and SE tax owed |
| Home office deduction | Deductible percentage of home expenses reduces net profit and therefore SE taxable earnings |
| Self-employed health insurance deduction | Reduces AGI but not SE tax directly; however it reduces overall tax burden |
| SEP-IRA or Solo 401(k) contributions | Reduce net income for income tax purposes but do not reduce SE tax directly |
| S-Corp election | SE tax only applies to reasonable salary portion, not pass-through profits. Can significantly reduce SE tax for higher earners. Requires professional guidance. |
| Track all business expenses | Every legitimate deductible expense reduces net profit and SE tax dollar for dollar at 15.3% |
What Self-Employed Workers Pay Compared to Employees
One of the biggest financial surprises for new freelancers and independent contractors is discovering they owe nearly twice the payroll tax of a traditional employee. Here is a direct comparison on the same $75,000 income.
| Tax Item | W-2 Employee ($75,000) | Self-Employed ($75,000 net) |
|---|---|---|
| Social Security tax paid | $4,650 (6.2% employee share) | $8,604 (12.4% on 92.35%) |
| Medicare tax paid | $1,088 (1.45%) | $2,013 (2.9% on 92.35%) |
| Employer pays additionally | $5,738 (invisible to employee) | None (you bear both shares) |
| Total payroll tax burden | $5,738 employee share | $10,617 SE tax |
| AGI deduction available | None | $5,309 (half of SE tax) |
| Net payroll tax cost after deduction | $5,738 | ~$8,800 (after income tax savings on deduction) |
The hidden cost of self-employment: When you are a W-2 employee, your employer silently pays 7.65% FICA on top of your wages. As a self-employed worker, that employer share comes out of your pocket. The half-SE-tax deduction partially compensates for this, but most self-employed individuals still pay significantly more in payroll taxes than equivalent W-2 employees at the same income level.
Has the Self-Employment Tax Rate Changed?
The SE tax rate has been stable at 15.3% for decades. What changes annually is the Social Security wage base — the income ceiling above which the 12.4% Social Security portion no longer applies.
| Year | SE Tax Rate | SS Wage Base | Max SS Portion |
|---|---|---|---|
| 2021 | 15.3% | $142,800 | $17,707.20 |
| 2022 | 15.3% | $147,000 | $18,228.00 |
| 2023 | 15.3% | $160,200 | $19,864.80 |
| 2024 | 15.3% | $168,600 | $20,906.40 |
| 2025 | 15.3% | $176,100 | $21,836.40 |
Planning tip: If your net self-employment income is likely to exceed $176,100, the Social Security portion of your SE tax effectively caps out. Every dollar above that threshold only incurs the 2.9% Medicare portion (plus the additional 0.9% above $200,000). Factor this into your quarterly estimated tax payments to avoid overpaying mid-year.
Frequently Asked Questions
Disclaimer: This page provides self-employment tax rate information for educational purposes based on IRS Schedule SE guidance for 2025. Individual results vary based on business deductions, filing status, and other factors. It is not tax, legal, or financial advice. Consult a qualified tax professional before making business or tax decisions.