Do I Owe Self-Employment Tax

Everyone · Explainer · Updated October 1, 2026 · LearnLife Editorial

What Is Self-Employment Tax in Plain Words?

Self-employment tax is the tax that self-employed individuals pay to fund Social Security and Medicare benefits. Unlike employees whose employers withhold these taxes from their paychecks, self-employed people must calculate and pay both the employer and employee portions themselves. This tax helps self-employed workers earn credits toward Social Security retirement, disability, and hospital insurance benefits.

If you run a small business, freelance, or earn money from gigs or side hustles, self-employment tax ensures you contribute to these social programs even without a traditional employer. It applies to net earnings, meaning your income after subtracting allowable business expenses.

How Does Self-Employment Tax Work? A Hypothetical Example

Suppose you sell handmade crafts online and earn $10,000 in sales during the year. You spend $2,000 on materials and shipping, so your net earnings are $8,000 ($10,000 - $2,000).

Here’s how self-employment tax would work:

1. Calculate your net earnings from self-employment. In this case, $8,000.
2. The IRS applies a special rate to determine taxable self-employment income, which is roughly 92.35% of net earnings: $8,000 x 0.9235 = $7,388.
3. The self-employment tax rate is 15.3%, which includes 12.4% for Social Security and 2.9% for Medicare: $7,388 x 15.3% = $1,130.
4. You owe $1,130 in self-employment tax for the year.

Additionally, half of this amount ($565) can be deducted as an adjustment to income when calculating your regular income tax, reducing your taxable income.

Why Does Self-Employment Tax Matter for You?

Paying self-employment tax is essential because it directly affects your eligibility for Social Security and Medicare benefits later in life. Without paying this tax, your self-employment income would not count toward earning these benefits.

Also, understanding this tax helps you budget for your tax bills and avoid surprises at tax time. Since self-employed people don’t have taxes automatically withheld, setting aside money throughout the year is important to meet your tax obligations.

If you don’t pay self-employment tax when required, you may face penalties or interest from the IRS. Knowing whether you owe and how much helps you stay compliant and take advantage of deductions available to self-employed taxpayers.

How Can You Tell If You Owe Self-Employment Tax?

The main threshold is earning $400 or more in net self-employment income in a tax year. This includes income from freelancing, independent contracting, running a sole proprietorship, or earning income through a partnership.

To determine your net earnings:

• Add up all income from self-employment sources.
• Subtract business expenses that are ordinary and necessary.
• If the result is $400 or more, you must usually pay self-employment tax.

Some income types, like rental income or certain investment income, generally do not count as self-employment income, but there are exceptions. For example, rental income is usually not subject to self-employment tax unless you provide substantial services to tenants. Checking specific rules can avoid confusion.

What Are Common Terms People Mix Up with Self-Employment Tax?

• Income Tax vs. Self-Employment Tax: Income tax is the general tax on your earnings, while self-employment tax specifically funds Social Security and Medicare for the self-employed.
• Payroll Taxes: These are taxes withheld from employees’ wages by employers. Self-employed individuals pay a similar tax themselves, called self-employment tax.
• Estimated Taxes: Self-employed people often pay quarterly estimated taxes, which include both income tax and self-employment tax, to avoid penalties.
• Business Expenses: These reduce your net earnings and thus your self-employment tax, but they are different from deductions on your income tax return.

Understanding these differences helps you correctly file and pay your taxes.

What Should You Do Next if You Think You Owe Self-Employment Tax?

1. Keep Accurate Records: Track all your income and expenses related to your self-employment.
2. Calculate Your Net Earnings: Subtract business expenses from gross income.
3. Use IRS Schedule SE: This form calculates your self-employment tax when you file your annual return.
4. Consider Estimated Tax Payments: If you expect to owe self-employment tax, make estimated quarterly payments to avoid penalties.
5. Learn About Deductions: Half of your self-employment tax can reduce your income tax, and you can deduct many business expenses.
6. Seek Help if Needed: If you are unsure about how to calculate or pay self-employment tax, consult IRS resources or a tax professional.

Proper preparation ensures you pay the right amount and utilize all available tax benefits.

How Can You Pay Self-Employment Tax?

You generally pay self-employment tax when filing your annual tax return using IRS Schedule SE. However, because no employer is withholding taxes for you, many self-employed individuals make estimated tax payments quarterly. These payments cover both income tax and self-employment tax.

Payment options include:

• Electronic Federal Tax Payment System (EFTPS)
• IRS Direct Pay online
• Mailing a check with payment vouchers

Timely payments help avoid penalties and interest. Keeping track of deadlines is critical.

What If You Have a Business Structure Like an LLC?

If you run your business as a sole proprietorship or single-member LLC, you usually pay self-employment tax on your earnings as described above. However, if your LLC elects to be taxed as an S corporation, the rules change, and you may pay yourself a salary subject to payroll taxes instead.

Each business structure has unique tax implications, so understanding your setup helps you correctly calculate and pay self-employment tax. Consulting a tax advisor can clarify your responsibilities.

Frequently asked questions

Is all my self-employment income subject to self-employment tax?

Not necessarily. Only net earnings from self-employment activities are subject to self-employment tax. Some income, like certain rental income or dividends, usually isn't subject to it. Subtracting allowable business expenses reduces your net earnings, which affects how much tax you owe.

Can I deduct self-employment tax when filing my taxes?

Yes, you can deduct half of the self-employment tax you pay as an adjustment to income on your tax return. This deduction lowers your taxable income but does not directly reduce your self-employment tax bill.

What if I don’t earn $400 from self-employment?

If your net earnings from self-employment are less than $400 in a year, you typically do not owe self-employment tax. However, if you have other sources of income, you still must file a tax return if required by law.

Do I have to pay self-employment tax on rental income?

Usually, rental income is not subject to self-employment tax unless you provide significant services to tenants, such as regular cleaning or maintenance. Check specific IRS rules or articles like "Do I Pay Self-Employment Tax on Rental Income" for details.

How do estimated tax payments relate to self-employment tax?

Estimated tax payments are quarterly payments made to cover both income tax and self-employment tax. Making these payments helps self-employed individuals avoid owing a large tax bill or penalties when filing their annual return.

What if I have an LLC? Does that change self-employment tax?

If your LLC is a sole proprietorship or partnership for tax purposes, you pay self-employment tax on your share of earnings. If your LLC elects S corporation status, you may pay yourself wages subject to payroll taxes instead. Learn more in "Do I Pay Self-Employment Tax on an LLC."