Location & Year
Income Details
Total revenue before expenses
Deductible business expenses
Asgari: ₺26.006/ay
Borcu olmayan ve düzenli ödeyen sigortalılar için
Tax Summary
Geçici Vergi Ödemeleri
How to Calculate Your Self-Employment Tax
- 1
Enter Your Gross Income and Expenses
Start by entering your total self-employment income (gross revenue from all freelance, contract, or gig work) and any deductible business expenses. The calculator subtracts expenses to determine your net self-employment earnings, which is the base used for all tax computations. - 2
Select Your Filing Status and Deductions
Choose your filing status (single, married filing jointly, head of household, etc.) and decide whether to use the standard deduction or enter itemized deductions. Your filing status determines your federal income tax brackets and the size of your standard deduction. - 3
Review Your SE Tax Breakdown
The calculator applies the 15.3% self-employment tax rate (12.4% Social Security + 2.9% Medicare) to 92.35% of your net earnings. If your income exceeds $200,000 ($250,000 married filing jointly), an additional 0.9% Medicare surtax applies. You also receive the employer-equivalent deduction on half of your SE tax. - 4
Plan Your Quarterly Estimated Payments
Based on your total annual tax liability, the calculator divides your obligation into four quarterly estimated payments with exact due dates. Paying on time avoids IRS underpayment penalties, which apply if you owe more than $1,000 at filing time.
Who Benefits from This Calculator?
Freelancers and Independent Contractors
Gig Economy Workers
Side Hustle Earners
Sole Proprietors and Small Business Owners
Why Use Our Self-Employment Tax Calculator?
Self-employment tax is the Social Security and Medicare tax that self-employed workers pay on their net earnings. Unlike W-2 employees who split these taxes 50/50 with their employer, freelancers and independent contractors are responsible for the full 15.3% -- broken down as 12.4% for Social Security (up to the annual wage base of $168,600 in 2025) and 2.9% for Medicare on all net earnings. High earners above $200,000 also pay an additional 0.9% Medicare surtax. This calculator handles all of these thresholds automatically and shows you the exact breakdown.
Beyond SE tax, most self-employed workers must also pay federal income tax on their profits after deductions. Our calculator factors in your filing status, standard or itemized deductions, and the employer-equivalent deduction for half of SE tax. It then divides your total annual liability into four quarterly estimated payments with the correct IRS due dates so you can budget throughout the year. If you also need to calculate your overall take-home salary, estimate profit margins on your freelance projects, or plan your retirement contributions as a self-employed individual, FindUtils has dedicated tools for each scenario.
Accurate tax planning is essential for anyone who works for themselves. Underpaying estimated taxes triggers IRS penalties, while overpaying ties up cash flow you could reinvest in your business. Use this calculator alongside our invoice generator to stay on top of both billing and tax obligations. Whether you are a full-time freelancer, a gig economy worker, or running a side hustle alongside a W-2 job, this tool gives you the clarity you need to make informed financial decisions every quarter.
How It Compares
Several online self-employment tax calculators exist, but most only handle the basic 15.3% SE tax computation without addressing quarterly estimated payments, filing status variations, or the additional Medicare surtax for high earners. Paid tax software like TurboTax Self-Employed and H&R Block Premium charge $100-200+ per filing season and require account creation before showing any estimates. Our calculator is completely free, runs entirely in your browser with no data uploaded to servers, and provides an instant breakdown of SE tax, federal income tax, and quarterly payment schedules -- all without requiring signup or sharing personal financial information.
For freelancers who want a quick sanity check before committing to paid software, or who need to model multiple income scenarios throughout the year, a free browser-based calculator offers the fastest path to actionable numbers. Unlike spreadsheet-based approaches, our tool automatically applies current-year tax brackets, Social Security wage bases, and Medicare surtax thresholds so you never have to look up rates manually.