Self-Employment Tax Explained: What 1099 Workers Must Pay
Published on 2026-05-01
The 15.3% Reality Check
The most common complaint from first-year freelancers is: "I saved for income tax, but I still owe thousands more!" That extra amount is the Self-Employment (SE) tax. While W2 employees see this taken out of their check automatically in small bites, 1099 workers have to pay it themselves.
For 2026, understanding this tax is essential for avoiding a financial crisis come tax season.
What exactly is Self-Employment Tax?
Self-employment tax is simply the combination of Social Security and Medicare taxes. 1. Social Security: 12.4% on the first $175,000+ of your earnings (for 2026). 2. Medicare: 2.9% on all earnings. Total: 15.3%.
The "Half-Deduction" Secret
It’s not all bad news. The IRS recognizes that you are acting as both the employer and the employee. Because of this, you are allowed to deduct the "employer-equivalent portion" of your self-employment tax (7.65%) when calculating your adjusted gross income. This reduces the amount of income tax you owe.
How to Calculate Your SE Tax
To find your 2026 SE tax: 1. Calculate your Net Profit (Gross Income minus Business Expenses). 2. Multiply Net Profit by 92.35% (This accounts for the deduction mentioned above). 3. Multiply that result by 15.3%.
Don't Wait Until April
Use our estimate tool to find your exact tax liability so you can set aside the right amount from every client payment.
Estimate My SE TaxThe Importance of Quarterly Estimated Payments
The U.S. tax system is "pay-as-you-go." If you expect to owe more than $1,000 in taxes for the year, you are required to pay the IRS every three months. 2026 Deadlines: - Q1: April 15 - Q2: June 15 - Q3: September 15 - Q4: January 15 (2027)
If you miss these deadlines, the IRS will charge you an "Underpayment Penalty," which is essentially interest on the money you should have paid earlier.
FAQ: Self-Employment Tax
Do I pay SE tax if I only made $1,000?
Yes. Any net self-employment earnings over $400 are subject to the SE tax.
Can an S-Corp help me save on SE tax?
Yes. If your business is earning significant profit (usually $60,000+), forming an S-Corporation allows you to pay yourself a "reasonable salary" (subject to SE tax) and take the rest as a "distribution" (not subject to SE tax). Consult a CPA for this transition.
Is SE tax the same as Income Tax?
No. You pay SE tax in addition to federal and state income tax. This is why many freelancers set aside 25-35% of their gross income for total taxes.