Small Business Tax Calculator: Know What Your Business Owes—And What You Shouldn’t Be Paying
Estimate your small business tax liability for 2026 in minutes. This calculator models how LLCs, S-Corps, and sole proprietors are taxed based on income and payroll, helping you understand your exposure and uncover opportunities to legally reduce taxes. Figure out how much you will owe in taxes today
How it works

Enter Your Net Business Income
Input your gross revenue and expenses for a quick estimate of your net taxable profit.

Select Your Entity Type
Choose your current business structure (Sole Prop, LLC, S-Corp). We’ll apply the correct tax rate and calculations based on IRS 2026 rules.

Review Your Estimated Tax Liability
Get a high-level projection of what your business might owe—and how adjusting payroll, contributions, or entity structure could lower that number.
Need Professional Tax Help?
Connect with Uncle Kam’s expert tax professionals for personalized tax strategies and planning.
Review your results with a tax professional to confirm whether an S-Corp is the right move for your business. If the numbers show potential savings, the next step is validating them with an expert. A personalized review can help confirm whether these estimates apply to your specific situation.
Frequently Asked Questions
Does this calculator work for S-Corps and Sole Props?
Yes—it supports multiple entity types and adjusts your tax projection accordingly.
Can this help with estimated quarterly taxes?
Yes—this is a great tool to model what you may owe per quarter and plan accordingly.
Is this just federal or does it include state tax?
This tool provides a federal estimate only. For state-specific analysis, schedule a free call with our strategist team.
What’s the next step after using the calculator?
Book a call with our team and we’ll show you how to legally reduce that number using our MERNA™ framework.
Don’t Just Calculate It—Cut It.
We’ve helped business owners save thousands with better structure, compensation, and planning. Now that you know your number—let’s reduce it.
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