2026 Tax Year

Self-Employment Tax Calculator

Calculate your self-employment tax, federal income tax, and quarterly estimated payments for freelancers, contractors, and gig workers.

Self-Employment Income

Total income from 1099s, freelance work, etc.

Deductible business expenses (equipment, supplies, etc.)

Don't Forget Quarterly Payments!

Self-employed individuals must pay estimated taxes quarterly to avoid penalties. Due dates for 2026: April 15, June 15, September 15, 2026 and January 15, 2027.

Understanding Self-Employment Tax

What is Self-Employment Tax?

Self-employment tax is the equivalent of FICA taxes (Social Security and Medicare) for self-employed individuals. While employees split these taxes with their employer, self-employed workers pay both portions.

2026 Self-Employment Tax Rate: 15.3%

  • • Social Security: 12.4% (on first $176,100)
  • • Medicare: 2.9% (no income limit)
  • • Additional Medicare: 0.9% (income over $200k/$250k married)

Key Deductions for Self-Employed

  • SE Tax Deduction: You can deduct 50% of your self-employment tax from your income
  • Business Expenses: Equipment, software, home office, travel, etc.
  • Health Insurance: Self-employed health insurance premiums are deductible
  • Retirement Contributions: SEP-IRA, Solo 401(k), or SIMPLE IRA
  • QBI Deduction: Up to 20% deduction on qualified business income

Common Business Expenses

  • Home office (actual expenses or simplified method)
  • Computer equipment and software
  • Business travel and meals (50%)
  • Professional services (accountant, lawyer)
  • Marketing and advertising
  • Professional development and education

Have a W-2 Job Too?

Use our main calculator to see your combined W-2 and self-employment income.

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