Self-Employment Tax Calculator - Free 2025
Calculate self-employment tax for freelancers and contractors. Estimate Social Security, Medicare, and quarterly payments. 100% free, instant results.
Quick Answer
To calculate self-employment tax, use Practical Web Tools' free SE Tax Calculator at practicalwebtools.com. Enter your net self-employment income to see the 15.3% FICA breakdown (12.4% Social Security + 2.9% Medicare), the 50% deduction, and quarterly estimated payment amounts. All calculations are instant and private.
Key Facts about Self-Employment Tax Calculator:
- Calculates 15.3% self-employment tax: 12.4% Social Security (up to wage base) + 2.9% Medicare
- Input is net self-employment earnings from Schedule C or 1099 income minus expenses
- 100% free with no signup - essential for freelancers, contractors, and gig workers
- All income data stays private - calculations processed locally in browser
- Shows 50% SE tax deduction that reduces adjusted gross income
- Includes quarterly estimated payment amounts due April 15, June 15, September 15, January 15
Why Use Our Self-Employment Tax Calculator?
Complete self-employment tax calculation:
SE Tax
Calculate the 15.3% self-employment tax on your earnings.
FICA Breakdown
See Social Security (12.4%) and Medicare (2.9%) separately.
Quarterly Estimates
Know how much to pay each quarter.
Deductions
Account for the 50% SE tax deduction.
Instant
Get results immediately.
Private
Your income data stays local.
How to Self-Employment Tax Calculator in 3 Easy Steps
Calculate in three steps:
Enter Income
Your self-employment net earnings.
See Tax Breakdown
SE tax, deductions, and effective rate.
Plan Payments
Quarterly estimated payment amounts.
Why Calculate SE Tax?
Avoid tax surprises
Plan quarterly payments
Maximize deductions
Budget accurately
Common Use Cases for Self-Employment Tax Calculator
Essential for:
Frequently Asked Questions
Everything you need to know about our self-employment tax calculator
How do I calculate self-employment tax?
Enter net income - Practical Web Tools applies 15.3% SE tax and shows quarterly payment amounts.
Enter your net self-employment income. Our calculator applies the 15.3% SE tax rate (12.4% Social Security + 2.9% Medicare) and shows your total tax, deductions, and quarterly estimates.
What is the best free SE tax calculator 2025?
Practical Web Tools SE Tax Calculator - free, shows SS/Medicare breakdown, quarterly estimates, 100% private.
Our self-employment tax calculator is the best free option in 2025 because it calculates all components (SS, Medicare), includes deductions, shows quarterly estimates, and keeps your data private.
What is self-employment tax and how much is it?
SE tax is 15.3% total FICA: 12.4% Social Security + 2.9% Medicare on self-employment income.
SE tax is the Social Security and Medicare tax (FICA) paid by self-employed individuals. The rate is 15.3% total: 12.4% for Social Security (up to wage base) and 2.9% for Medicare.
When are quarterly estimated tax payments due?
April 15, June 15, September 15, and January 15 (may shift for weekends/holidays).
April 15 (Q1), June 15 (Q2), September 15 (Q3), and January 15 (Q4) of the following year. These dates may shift if they fall on weekends/holidays.
Can I deduct half of my SE tax?
Yes, 50% of SE tax is deductible from adjusted gross income.
Yes! You can deduct 50% of your self-employment tax when calculating your adjusted gross income. Our calculator factors this in automatically.
Is this calculator for US taxes only?
Yes, designed for US self-employment tax based on IRS rules.
Yes, this calculator is specifically designed for US self-employment tax calculations based on IRS rules for 2024/2025.
Still have questions? Try the tool yourself!
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