🧑‍💻 Self-Employment Tax Calculator

$
Schedule C income minus business expenses (1099 income after expenses).
Other income & withholding
$
Wages already subject to Social Security reduce the SE wage base.
$
Spouse's wages if filing jointly, interest, etc.
$
From W-2 paychecks – reduces the estimated payments you need to make.

Self-employment tax

$11,303.64

15.3% of $73,880.00 (92.35% of your net profit)

Social Security (12.4%)$9,161.12
Medicare (2.9%)$2,142.52
Self-employment tax$11,303.64
Federal income tax (2026)$5,343.82
Total federal tax$16,647.46
Quarterly estimated payment
$4,161.87
Half-SE-tax deduction
$5,651.82
QBI deduction
$11,649.64
Taxable income
$46,598.54
Marginal income-tax rate
12%
Total tax rate
20.8%

2026 rules for single filers with the standard deduction. State tax not included.

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