Calculate your self-employment tax (Social Security + Medicare), income tax, and quarterly estimated payments. See the deductible half of SE tax, compare effective rates to W-2 employment, and plan your quarterly payment schedule. Updated with 2025 federal tax brackets, standard deductions, and contribution limits.
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| Tax Rate | Single Filer | Married Filing Jointly |
|---|---|---|
| 10% | $0 – $11,925 | $0 – $23,850 |
| 12% | $11,926 – $48,475 | $23,851 – $96,950 |
| 22% | $48,476 – $103,350 | $96,951 – $206,700 |
| 24% | $103,351 – $197,300 | $206,701 – $394,600 |
| 32% | $197,301 – $250,525 | $394,601 – $501,050 |
| 35% | $250,526 – $626,350 | $501,051 – $751,600 |
| 37% | Over $626,350 | Over $751,600 |
This self-employment tax calculator uses the latest 2025 federal tax brackets, standard deduction of $15,000 (single) / $30,000 (married filing jointly), and updated contribution limits. The Social Security wage cap for 2025 is $176,100, and the 401(k) contribution limit is $23,500.
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Wages from employment (affects SS tax cap)
Total Federal Tax
$24,687.53
25.99% effective rate | Single
Net SE Income
$95,000.00
SE Tax (15.3%)
$13,423.07
Quarterly Payment
$6,171.88
Effective Rate
25.99%
Self-employed individuals must pay estimated taxes quarterly. Each payment covers roughly 25% of your total annual tax liability.
| Quarter | Income Period | Due Date | Payment |
|---|---|---|---|
| Q1 | Jan 1 - Mar 31 | April 15, 2025 | $6,171.88 |
| Q2 | Apr 1 - May 31 | June 16, 2025 | $6,171.88 |
| Q3 | Jun 1 - Aug 31 | September 15, 2025 | $6,171.88 |
| Q4 | Sep 1 - Dec 31 | January 15, 2026 | $6,171.88 |
| Annual Total | $24,687.53 | ||
Penalty Warning
The IRS may charge an underpayment penalty if you do not pay at least 90% of your current year tax or 100% of your prior year tax (110% if prior year AGI exceeded $150,000) through estimated payments and withholding.
Comparing your SE income of $95,000 to the same amount earned as a W-2 employee (not including employer FICA).
Self-Employed
Net SE Income
$95,000.00
SE Tax (Both Halves)
-$13,423.07
Income Tax
-$11,264.46
Total Tax
$24,687.53
Take-Home
$70,312.47
W-2 Employee
Gross Salary
$95,000.00
Employee FICA (7.65%)
-$7,267.50
Income Tax
-$12,741.00
Total Tax (Employee Share)
$20,008.50
Take-Home
$74,991.50
Key Differences
Extra SE Tax Cost
$4,679.03
Employer FICA (Hidden Cost)
$7,267.50
True Total FICA (Both)
$14,535.00
As a self-employed individual, you pay both the employer and employee portions of FICA (15.3% total vs. 7.65% for a W-2 employee). However, you can deduct the employer-equivalent portion (half of SE tax) from your AGI, which partially offsets the additional cost.