Free Self Employment Tax Calculator

Designed for freelancers and contractors, Otto AI Self Employment Tax Calculator estimates your SE tax, income tax, and deductions, helping you stay tax-ready all year long.

Know What You Owe as a Self-Employed Professional

Get a fast estimate of your SE taxes, income tax, and deductions—perfect for freelancers.

Estimate Your Self-Employment Taxes in Minutes

Whether you're a freelancer, contractor, or side hustler, Otto AI Self Employment Tax Calculator makes it easy to estimate your federal self-employment taxes. Know what you owe before tax season catches you off guard. The calculator handles Social Security and Medicare taxes (SE tax), provides federal income tax estimates, and bases everything on your actual business income and deductions for accurate, personalized results.

Calculator Tool
Calculator Tool

Simplify Your Quarterly Tax Planning

Stay ahead of your tax obligations with Otto AI self employment tax calculator. With just a few inputs, you’ll get clear estimates that help you plan and pay quarterly taxes confidently—no spreadsheets required. You can avoid IRS penalties through accurate tax breakdowns, get the clarity needed whether you're a gig worker, creator, or small business owner, and receive quarterly payment guidance to stay on track.

Understand Your Deductions and Take Home More

With Otto AI self employment tax calculator, you can factor in common business expenses like home office, supplies, and insurance. This helps you get a more accurate picture of your net income—and how much you can keep. The tool allows you to subtract deductions from your taxable income, estimate your net earnings and actual tax owed, and maximize your savings by optimizing your deductions.

Calculator Tool
Calculator Tool

Private, Fast, and Always Free

There’s no signup, no downloads, and no strings attached. Otto AI self employment income tax calculator gives you instant, secure, and accurate results—anytime you need them. It’s 100% free and mobile-friendly, does not store any of your personal data, and is built to help you file smarter, not harder.

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Self Employment Tax Calculator FAQs

What is the Self Employment Tax Calculator used for?

Self Employment Tax Calculator helps freelancers, contractors, and gig workers estimate how much they owe in Social Security and Medicare taxes, along with federal income tax, based on their net self-employment income.

Who should use a self-employment tax calculator?

Anyone earning income through 1099 work, freelancing, side gigs, or operating as a sole proprietor should use a self-employment tax calculator to understand their estimated tax liability and avoid underpayment.

Does the Self Employment Tax Calculator include federal income tax?

Yes, Otto AI self employment income tax calculator estimates both your self-employment taxes (15.3%) and federal income tax based on your income level, providing a full picture of what you may owe.

Can I add business deductions in this self employment tax deduction calculator?

Absolutely. The calculator allows you to input business expenses like supplies, mileage, or a home office so you can see how deductions reduce your taxable income and overall tax burden.

Is the calculator accurate for estimating quarterly taxes?

Yes, Otto AI self-employment tax calculator is designed to help you estimate quarterly tax payments so you can stay compliant and avoid IRS penalties throughout the year.

Do I need to create an account to use this calculator?

No account or sign-up is required. Otto AI self employment tax calculator is free, fast, and private—available anytime you need a quick and accurate estimate.

What income should I enter into the calculator?

You should enter your gross self-employment income and subtract any qualified business expenses. The self employment tax calculator then uses your net income to estimate your tax liability.

Is this self employment income tax calculator updated for 2025?

Yes, the calculator uses the most current IRS tax rates and thresholds for 2025 to ensure that your estimates are as accurate and relevant as possible.