Tax Tools
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Self-Employment Tax Estimator
Estimate the self-employment tax (Social Security + Medicare) on your net self-employment income. This is separate from regular income tax.
📝Your Numbers
Use your best estimate of profit (not total revenue). This is revenue minus business expenses.
📊Planning Helpers
This is a budgeting estimate to cover both income tax + SE tax. Not an official calculation.
💰Estimated Results
$0
Estimated self-employment tax
(Your profit × 92.35% per IRS rules)
This reduces your taxable income (affects income tax, not SE tax)
Estimated payment for each quarter (SE tax only)
💡Budgeting "Set-Aside" Estimate
If you set aside 25% of your profit:
$0
for the year (covers both income tax + SE tax)
Note: This is just a planning rule of thumb - your actual income tax depends on deductions, credits, filing status, other income, etc.
📚 Helpful next steps:
Make sure this result won’t cost you money.
A licensed tax professional can review your numbers, catch missed opportunities, and help you file with confidence.
Note: This v1 estimator does not apply the annual Social Security wage base cap.
Understanding Self-Employment Tax
Self-employment tax covers your Social Security and Medicare contributions when you work for yourself. Unlike W-2 employees who split these taxes with their employer, self-employed individuals pay the full 15.3%.
✅ Good news
You can deduct half of your SE tax from your income, which reduces your overall tax burden.
📅 Quarterly payments
If you expect to owe $1,000+ in taxes, you generally need to make quarterly estimated payments.
Disclaimer: This calculator provides estimates based on 2025 IRS rules for self-employment tax (15.3% rate). It does not apply the Social Security wage base cap ($176,100 for 2025) or Additional Medicare Tax. For exact calculations, consult IRS Schedule SE or a tax professional. This is not tax advice.
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