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Self-Employment Tax Calculator

Calculate your total SE tax for Social Security and Medicare

Additional Information and Definitions

Net Self-Employment Income

Profit from your business after expenses. Not your gross receipts, but net taxable income.

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Frequently Asked Questions and Answers

Click on any question to see the answer

Self-Employment Tax Terms

Understand the taxes that self-employed individuals owe beyond ordinary income tax.

Net Income

Your profit after business expenses. Determines your SE tax base.

Social Security Tax

A portion of your self-employment tax allocated to Social Security. Currently 12.4% combined (both halves).

Medicare Tax

A portion dedicated to Medicare. Currently 2.9% combined. Additional surcharges may apply at higher incomes.

Taxable Wage Base

Social Security portion may cap at a certain yearly threshold. Earnings above that may not be taxed for SS.

5 Insights on Self-Employment Taxes

Working for yourself is rewarding, but mind those extra taxes. Here's what you should know.

1.You Pay Both Halves

As your own boss, you cover the employee and employer portions of payroll taxes. That’s double the rate employees see withheld.

2.Quarterly Estimates Are Key

You may need to send in taxes four times a year. Missing deadlines can lead to penalties and interest.

3.Deductions Reduce the Base

Certain business expenses lower your net income, thus lowering your self-employment tax.

4.Partial Deduction

You can deduct half of your SE tax from your adjusted gross income on your personal tax return.

5.SS Wage Base Limit

After a certain amount (~$160,200 in some tax years), Social Security tax no longer applies, but Medicare has no upper limit.