Self-Employment Tax Calculator
SE tax, the deductible half and what to set aside quarterly.
Enter your values
ⓘ Live results
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.
Worked example
Using the values the calculator loads with:
Inputs
- Net self-employment profit78000 $
- Estimated income tax rate18 %
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
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.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.