Self-Employment Tax Calculator
Tax Year 2025
Self-Employment Tax Calculator
Calculate your self-employment tax liability including Social Security and Medicare taxes for tax year 2025.
- ✓Calculate both Social Security and Medicare tax obligations
- ✓Account for Additional Medicare Tax on high earners
- ✓Determine quarterly estimated tax payments
- ✓Calculate self-employment tax deduction
What is Self-Employment Tax?
Self-employment tax is a Social Security and Medicare tax primarily for individuals who work for themselves. It's similar to the Social Security and Medicare taxes withheld from the pay of most wage earners.
2025 Tax Rates
- • Social Security: 12.4% on first $160,200
- • Medicare: 2.9% on all earnings
- • Additional Medicare: 0.9% on high earners
- • Total rate: 15.3% (plus additional Medicare if applicable)
Who Must Pay?
You must pay self-employment tax if your net earnings from self-employment are $400 or more. This includes sole proprietors, partners, LLC members, and some corporate officers.
Reducing Your Tax Burden
- • Maximize business expense deductions
- • Consider retirement plan contributions
- • Deduct 50% of self-employment tax
- • Track home office expenses
- • Keep detailed business records
Quarterly Payments
Self-employed individuals typically need to make quarterly estimated tax payments to avoid penalties. Pay 25% of your expected annual tax liability by each quarterly deadline.