The first tax season after going freelance or starting a side business delivers a shock to many people: self-employment tax. It is not an extra penalty for working for yourself; it is the Social Security and Medicare tax that, for employees, is quietly split with an employer. When you work for yourself, you are both, so you pay both halves.
Here is what it is, why it stings, and how to manage it.
What it is and why 15.3 percent
Every worker owes Social Security and Medicare tax. For an employee, the worker pays about 7.65 percent and the employer pays a matching 7.65 percent. As a self-employed person, you pay both halves yourself, a combined 15.3 percent, on top of regular income tax. That combined rate is what catches new freelancers off guard.
Enter your net self-employment income above to see the tax, so it is a plan rather than a surprise.
How to lower it
There are real offsets. You can deduct half of your self-employment tax when figuring your income tax. Only your net profit is taxed, so tracking legitimate business expenses lowers the base directly. And profitable owners often elect S-corporation status, which lets them split pay between a reasonable salary (subject to the tax) and distributions (which are not), potentially saving thousands, though it adds complexity and should be done with an accountant.
Self-employment tax applies to net profit, so every legitimate business expense you record, software, supplies, mileage, a home office, lowers the tax directly. Good records are money.
Why you must pay quarterly
Employees have taxes withheld from every paycheck. The self-employed have no one withholding, so the IRS requires estimated tax payments four times a year. Skip them and you face penalties and a brutal lump sum at filing. A simple habit, setting aside roughly 25 to 30 percent of each payment you receive for taxes, keeps you covered and prevents the year-end shock.
Estimate your liability above, then reserve for it as you earn rather than scrambling in April.
Frequently asked questions
What is self-employment tax?
It is the Social Security and Medicare tax that self-employed people pay on their net earnings. Employees split this with an employer; the self-employed pay both halves, a combined 15.3 percent, on top of income tax.
Why is self-employment tax 15.3 percent?
Because you pay both the employee and employer shares of Social Security and Medicare tax, about 7.65 percent each. When you work for yourself, you are both parties.
How can I lower my self-employment tax?
Deduct half of it against income tax, track every business expense to reduce net profit, and, for profitable businesses, consider S-corporation status to split pay between salary and distributions.
Do I have to pay taxes quarterly if self-employed?
Generally yes. With no employer withholding, the IRS requires estimated payments four times a year. Setting aside roughly 25 to 30 percent of income for taxes keeps you covered and avoids penalties.
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