Tax Calculator For Self Employed
Estimate your self-employment tax liability based on net earnings, deductions, and filing status.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Self-Employment Tax Calculator
- Enter Net Earnings – Your total profit from Schedule C (required, must be positive).
- Enter Business Deductions – Expenses you claim (optional, default $0).
- Select Filing Status – Choose Single, Married Filing Jointly, or Head of Household.
- Enter Other Income – Any W-2 wages or additional income (optional, default $0).
- Click “Calculate Tax” – The tool computes:
- Net Profit = Net Earnings − Deductions
- Self-Employment Tax = 15.3% of Net Profit
- Income Tax = 15% flat rate on total income (Net Profit + Other Income) minus standard deduction
- Review Results – See total tax and a detailed breakdown below.
Note: All amounts must be in USD. The income tax uses a simplified flat rate; consult a tax professional for exact liability.
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Frequently Asked Questions
The self-employment tax rate is 15.3%, consisting of 12.4% for Social Security and 2.9% for Medicare.
Yes, business expenses reduce your net earnings, which lowers both your self-employment tax and income tax.
We use a simplified 15% flat rate on taxable income after subtracting the standard deduction based on filing status. This is an estimate; actual tax may vary.
