Self-Employment Tax Calculator
SE tax, the deductible half and what to set aside quarterly.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Self-employment tax
- $11,021.05
- Estimated income tax
- $13,048.11
- Total to set aside
- $24,069.15
- Quarterly payment
- $6,017.29
- Deductible half of SE tax
- $5,510.52
Quick answer
Self-employment tax is 15.3% on 92.35% of net profit — 12.4% Social Security plus 2.9% Medicare — and half of it is income-tax deductible.
SE tax = net profit × 0.9235 × 15.3%
How to use the Self-Employment Tax Calculator
- 1Enter your net profit after business expenses.
- 2Estimate your income tax rate.
- 3Read the quarterly amount to set aside.
Frequently asked questions
Why 92.35%?
The law taxes net earnings from self-employment, defined as 92.35% of net profit, which mirrors the employer share exclusion for employees.
When are quarterly taxes due?
Generally 15 April, 15 June, 15 September and 15 January for the prior quarter's income.