US Small Business Tax Calculator • 2026

TaxCalc

Small Business • United States

Federal Tax Estimator

Quick estimate for sole proprietors & single-member LLCs

Federal Only
USD

Total sales & income before expenses

USD

Rent, salaries, marketing, software, etc.

NET PROFIT
$77,000
Auto-calculated
Your 2026 Tax Estimate
Self-Employment Tax
$10,890
14.1% of net profit
Federal Income Tax
$7,245
After standard deduction & SE deduction
TOTAL ESTIMATED FEDERAL TAX
$18,135
23.6% effective
$4,534 / quarter
Important: This is a simplified estimate only. It assumes sole proprietorship taxation, standard deduction, and no other income/credits. State taxes, local taxes, quarterly estimated payments, and specific deductions are not included.
Based on 2025 IRS brackets (2026 inflation-adjusted)
Consult a licensed tax professional
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