Self-Employment Tax Calculator

Calculate self-employment tax on 1099 income. See Social Security, Medicare, quarterly payments, and the deductible half of SE tax.

Frequently Asked Questions

How is SE tax calculated?
Self-employment tax is 15.3% on 92.35% of net income: 12.4% Social Security (up to $176,100) + 2.9% Medicare (all income) + 0.9% additional Medicare above $200K.
Can I deduct SE tax?
Yes. You can deduct the employer-equivalent half when calculating adjusted gross income. This reduces income tax but not SE tax.
When are quarterly payments due?
April 15, June 15, September 15, and January 15 of the following year.
Is my data stored?
No. All calculations happen in your browser.