Calculate your US self-employment tax (Social Security + Medicare) based on your net earnings, including the 92.35% taxable base and deductible half.
Enter your net earnings
Input your total self-employment net earnings for the tax year. This is your gross income minus any business expenses.
View the SE tax breakdown
Review the calculated self-employment tax, which includes both the Social Security and Medicare portions.
See the deductible half
Check the deductible portion of your SE tax. The IRS allows you to deduct half of your self-employment tax from your adjusted gross income.
Review your quarterly estimate
Use the quarterly breakdown to plan your estimated tax payments throughout the year and avoid underpayment penalties.
Tax rates verified against official government sources for the 2025-2026 tax year
Published by ConvertCrunch Editorial Team | Our Methodology
Go deeper with workflow guides, side-by-side comparisons, and reusable embeds connected to this tool.
Guides
Add this calculator to your website with a simple iframe.
This tool is part of larger workflows. Open a hub to continue with the next relevant tools.
Paycheck, withholding, tax planning, and reimbursement workflows for recurring money operations.
Pricing, margin, tax, and workload tools for independent operators.
End-to-end UK tax estimation, National Insurance, and payroll workflows for employees and self-employed workers.
Continue your workflow with these tools from the same playbook.
Paycheck Calculator
Estimate take-home pay after federal taxes, state taxes, and payroll deductions for hourly or salary income.
Overtime Pay Calculator
Calculate overtime pay based on regular hours, overtime hours, and labor law overtime multipliers.
US Income Tax Estimator
Estimate your income tax using current tax brackets and deduction values.. Free online, browser-based tool with instant results and no signup.
US Quarterly Tax Payment Calculator
Calculate your estimated quarterly tax payments to avoid underpayment penalties. Perfect for freelancers and small business owners.
Australia Self-Employment Tax Calculator
Calculate the Australian Medicare Levy and Medicare Levy Surcharge for sole traders and self-employed workers.
Canada Self-Employment Tax Calculator
Calculate CPP or QPP contributions for self-employed individuals in Canada, including CPP2 on the second earnings ceiling.
France Self-Employment Tax Calculator
Calculate French cotisations sociales for auto-entrepreneurs (micro-enterprise) and régime réel self-employed workers.
Germany Self-Employment Tax Calculator
Calculate German social insurance contributions (health, long-term care, optional pension) for self-employed freelancers.
Netherlands Self-Employment Tax Calculator
Calculate Dutch ZVW health contribution and social insurance premiums (AOW, ANW, WLZ) for self-employed zzp’ers.
Singapore Self-Employment Tax Calculator
Calculate CPF MediSave contributions for self-employed individuals in Singapore based on age and net trade income.
UK Self-Employment Tax Calculator
Calculate UK National Insurance contributions (Class 2 and Class 4) for self-employed workers based on net profits.
Australia Income Tax Calculator
Estimate Australian income tax with resident/foreign taxpayer rates and optional Medicare levy.
Next Step
Continue with Paycheck Calculator
Enter your net profit from self-employment (Schedule C, line 31).
If you're a freelancer, independent contractor, or sole proprietor in the United States, you pay self-employment tax on your net earnings. This covers both the employer and employee portions of Social Security and Medicare taxes.
Only 92.35% of your net self-employment income is subject to these taxes. You can also deduct half of your SE tax as an above-the-line deduction on your income tax return.