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Tool: Self-Employment Tax Calculator — 免費線上計算機 | HomeCalcPro | 列印時間:
Self-Employment Tax Calculator — 免費線上計算機 | HomeCalcPro
Self-Employment Tax Calculator精準試算，提供行業標準公式與即時測算結果。
Parameters & Values
Computed Financial Summary
Real-timeAdjust parameters to update tax and amortization results.
IRS Self-Employment Tax Formula (Schedule SE)
Transparent mathematical methodology explained in plain English.
Taxable SE Earnings = Net Profit × 0.9235 | SE Tax = (Earnings up to $168,600 × 12.4%) + (Total Earnings × 2.9%)Self-employed individuals pay both employee and employer portions of FICA taxes (15.3% total), but deduct 50% of the SE tax from gross income.
Variables Explained:
- 1099 Net Business Profit ($): Gross revenue minus allowable Schedule C business deductions.
$90,000 Net 1099 Freelance Profit for 2024
Calculating Self-Employment Tax and 50% adjusted gross income deduction.
- Net Subject to SE Tax (92.35%): $90,000 × 0.9235 = $83,115.
- Social Security (12.4%): $83,115 × 0.124 = $10,306.26.
- Medicare (2.9%): $83,115 × 0.029 = $2,410.34.
- Total Self-Employment Tax: $10,306.26 + $2,410.34 = $12,716.60.
- Above-the-Line AGI Tax Deduction (50%): $12,716.60 / 2 = $6,358.30.
常見問題解答 (FAQ): Self-Employment Tax Calculator
Click any question below to expand quick answers, formulas, and expert tips.
What is the Social Security wage cap for 2024?
The maximum earnings subject to the 12.4% Social Security portion of self-employment tax is $168,600 for the 2024 tax year. The 2.9% Medicare portion has no wage limit.
How can an S-Corporation reduce self-employment tax?
An S-Corp allows owners to split earnings between a "reasonable W-2 salary" (subject to FICA) and shareholder dividend distributions (exempt from self-employment tax).