Updated for Tax Year 2026

Free Self-Employment Tax
Calculator 2026

Calculate your exact 15.3% SE tax instantly — Social Security, Medicare, the 50% deduction, and total quarterly payments. Free for all 1099 freelancers.

15.3%SE Tax Rate 2026
92.35%Income Subject to SE Tax
50%SE Tax Deductible from AGI
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How Self-Employment Tax is Calculated
Step 1 — Social Security
12.4%
on first $168,600 of net income
Step 2 — Medicare
2.9%
on all net self-employment income
Total SE Tax Rate
15.3%
applied to 92.35% of net income
AGI Deduction
50%
of SE tax deductible above the line
Example: Net SE income of $80,000 × 92.35% × 15.3% = $11,304 SE tax. You then deduct $5,652 (50%) from AGI, reducing your income tax by ~$1,243 at the 22% bracket. Net SE tax cost: ~$10,061.
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Income
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Deductions
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Filing Info
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SE Tax Report
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Your Self-Employment Income
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Home & Vehicle
W-2 vs 1099 — SE Tax Impact
W-2 Employee
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1099 Contractor
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Quarterly SE Tax Payment Schedule
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Self-Employment Tax 2026: The Complete Guide

Self-employment tax is one of the biggest financial surprises for new freelancers. As a W-2 employee, your employer quietly pays half of your Social Security and Medicare taxes — 7.65% — on your behalf. As a 1099 independent contractor, you pay both halves yourself: the full 15.3%. This is the self-employment tax, and understanding it is essential to not being blindsided by your first tax bill.

The calculation works in three steps. First, the IRS takes 92.35% of your net SE income (a quirk that accounts for the fact that employees don't pay FICA on the employer's matching contribution). Second, it applies 15.3% to that amount — 12.4% for Social Security and 2.9% for Medicare. Third — and this is the part most freelancers miss — you can deduct 50% of the SE tax you owe from your Adjusted Gross Income. This reduces your income tax bill, partially offsetting the burden of paying both halves.

The Social Security portion has a wage base cap: in 2026, it only applies to the first $168,600 of net SE income. Above this threshold, only the 2.9% Medicare tax continues. High earners (above $200,000 for single filers) also owe an additional 0.9% Medicare surtax. For most freelancers earning under $168,600, the full 15.3% applies to 92.35% of all net income.

The most effective strategy to reduce SE tax is maximizing business deductions. Every $1,000 in legitimate business expenses reduces net SE income by $1,000 — saving $153 in SE tax (15.3%) plus income tax on that amount. For a freelancer in the 22% income tax bracket, a $1,000 deduction saves approximately $373 total. Track every business expense meticulously throughout the year.

For high-income freelancers ($80,000+ net), the S-Corporation election is worth examining. By structuring your business as an S-Corp and paying yourself a "reasonable salary," you only pay SE tax on the salary portion. Distributions above the salary are not subject to SE tax. At $150,000 net income with a $75,000 reasonable salary, you save approximately $5,737 annually in SE taxes — well worth the additional accounting complexity for most consultants and developers at this income level.

💡 Use the free calculator above to calculate your exact SE tax — enter your gross income, select your deductions, and see the full breakdown including Social Security, Medicare, the 50% AGI deduction, and your quarterly payment schedule.

Self-Employment Tax FAQ

Common questions about SE tax — answered clearly

The SE tax rate is 15.3% — 12.4% Social Security + 2.9% Medicare — applied to 92.35% of your net self-employment income. You can deduct 50% of SE tax paid from your AGI, reducing your federal income tax bill.
Step 1: Net SE income = gross 1099 income − business expenses. Step 2: SE tax base = net income × 92.35%. Step 3: SE tax = base × 15.3%. Step 4: Deduct 50% of SE tax from AGI.

Example: $80,000 gross − $10,000 expenses = $70,000 net. $70,000 × 92.35% × 15.3% = $9,889 SE tax.
Anyone with net self-employment income of $400 or more must pay SE tax. This includes freelancers, independent contractors, gig workers (Uber, Lyft, DoorDash), content creators, consultants, and anyone receiving 1099-NEC or 1099-K income.
The Social Security portion (12.4%) only applies to the first $168,600 of net SE income in 2026. Above this wage base, only the 2.9% Medicare tax applies. High earners above $200,000 (single) also pay an additional 0.9% Medicare surtax.
Yes — you deduct 50% of SE tax paid as an above-the-line deduction from your AGI. If you owe $10,000 in SE tax, you deduct $5,000 from AGI — saving approximately $1,100 in federal taxes at the 22% bracket. This deduction partially compensates for paying both the employee and employer halves.
Yes. SE tax and income tax are completely separate. SE tax (15.3%) covers Social Security and Medicare. Income tax (10–37%) is based on your tax bracket. As a freelancer you pay both — which is why total effective tax rates for self-employed individuals typically run 25–35% of net income.
Main strategies: (1) Maximize business deductions — every $1,000 in deductions saves $153 in SE tax. (2) S-Corp election at $80K+ net income — pay SE tax only on a reasonable salary, not all income. (3) SEP-IRA contributions reduce income tax but not SE tax directly. Deductions are the most accessible strategy for most freelancers.
SE tax applies to your NET self-employment income — gross 1099 income minus all legitimate business expenses. If you earned $100,000 gross with $20,000 in expenses, SE tax applies to $80,000 net (× 92.35%), not the full $100,000. This is why tracking every business expense matters.
FICA is the same tax — but split between employee (7.65%) and employer (7.65%) for W-2 workers. As self-employed, you pay both halves yourself (15.3% total). The 50% AGI deductibility partially compensates for paying the employer portion out of pocket.
Via quarterly estimated payments if you expect to owe $1,000+. 2026 deadlines: April 15, June 16, September 15, January 15, 2027. The balance is paid with your annual return (Form 1040 + Schedule SE). Missing quarterly payments results in underpayment penalties of ~8% annualized.

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