Tax & Income Calculators
Self-Employment Tax Calculator
Estimate self-employment tax on net business profit, including the deductible employer-equivalent portion.
Self-employment tax
$12,717
- Deductible half
- $6,358
- Estimated income tax
- $10,242
- Total tax
- $22,959
ProfitSE taxIncome tax
How this calculator works
SE tax = net profit × 92.35% × rate; half is deductible against income tax
- 92.35%
- the share of profit subject to self-employment tax
Important considerations
- Quarterly estimated payments are usually required.
- The social security portion stops above an annual earnings ceiling.
Related calculators
- Income Tax CalculatorTax due, marginal rate and effective rate.
- Take-Home Pay CalculatorNet pay after tax and deductions.
- Profit Margin CalculatorGross, operating and net margin from your numbers.
- Employee Cost CalculatorThe fully loaded annual cost of a hire.
- Salary CalculatorSalary converted across every pay period.
- Hourly to Salary CalculatorAnnual salary implied by an hourly rate.
Learn more
Terms used here
Frequently asked questions
Why is the rate higher than payroll tax?
You pay both the employee and employer halves, though half is deductible against income tax.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01