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Self-Employment Tax Calculator
SE tax owed, the deductible portion, and your quarterly estimated payment schedule
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Income
$
Gross revenue minus deductible business expenses
$
Tax Settings
Self-Employment Tax Owed
$11,303.64
Effective SE rate: 14.1% of net SE income
SE Tax Breakdown
Net SE Income$80,000.00
Net Earnings (× 92.35%)$73,880.00
Social Security Portion (12.4%)$9,161.12
Medicare Portion (2.9%)$2,142.52
Total SE Tax$11,303.64
Deductible Half (above-the-line deduction)$5,651.82
Total Estimated Tax
Self-Employment Tax$11,303.64
Federal Income Tax (est. 22%)$13,144.60
State Income Tax (est. 5%)$4,000.00
Total Estimated Annual Tax$28,448.24
Quarterly Estimated Payments
Pay each quarter to avoid underpayment penalties (IRS Form 1040-ES)
Each Quarterly Payment
$7,112.06
Q1 (Jan–Mar)
$7,112.06due April 15
Q2 (Apr–May)
$7,112.06due June 16
Q3 (Jun–Aug)
$7,112.06due September 15
Q4 (Sep–Dec)
$7,112.06due January 15
Estimates use simplified tax math. Federal income tax uses your stated marginal rate on taxable income after the SE deduction and standard deduction. Consult a CPA for accurate planning.
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