Self-Employment Tax Calculator

Calculate your self-employment tax including Social Security and Medicare taxes for freelancers and independent contractors.

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Your net profit from self-employment (revenue minus business expenses).

Your federal tax filing status.

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How Self-Employment Tax Works

Self-employment tax is the way freelancers, independent contractors, and sole proprietors pay into Social Security and Medicare. Unlike traditional employees who split FICA taxes with their employer, self-employed individuals pay both the employee and employer portions, totaling 15.3%. The tax is calculated on 92.35% of your net self-employment earnings (revenue minus business expenses), and it applies to anyone who earns $400 or more in net self-employment income per year.

Social Security and Medicare for the Self-Employed

The 15.3% self-employment tax rate breaks down into 12.4% for Social Security and 2.9% for Medicare. The Social Security portion applies only up to the annual wage base limit ($168,600 in 2024), while the Medicare portion has no cap. Self-employed individuals earning more than $200,000 (single) or $250,000 (married filing jointly) also owe an additional 0.9% Medicare surtax on earnings above those thresholds, bringing the Medicare portion to 3.8%.

Deducting Half of Self-Employment Tax

The IRS allows self-employed individuals to deduct the employer-equivalent portion of their self-employment tax (7.65%) as an adjustment to gross income on Form 1040. This deduction is taken on your personal tax return, not on your Schedule C, and it reduces your adjusted gross income (AGI). This above-the-line deduction is available regardless of whether you itemize deductions, and it helps offset the higher tax burden that comes with paying both sides of FICA.

Quarterly Estimated Tax Payments

Self-employed individuals who expect to owe $1,000 or more in taxes are required to make quarterly estimated tax payments to the IRS. These payments are due on April 15, June 15, September 15, and January 15 of the following year. Each payment should cover approximately one-quarter of your expected annual income tax and self-employment tax liability. Failing to make adequate quarterly payments can result in underpayment penalties, even if you pay the full amount owed when filing your return.

Frequently Asked Questions