The clock of the Custom House Tower in Boston at the end of the day

A free tool

S-Corp tax savings calculator

Sole proprietor against S corporation, on your real profit and a salary you could defend. Free, federal, tax year 2026, from an Enrolled Agent.

01 The tool

Should you elect S corporation status?

Enter your real profit and a salary you could defend. The tool shows what an S corporation election would save on self-employment tax, and where payroll costs start to eat the saving. It narrows the question. It does not decide it.

Profit
Owner salary
S-corp saves$12,484

Federal tax, married filing jointly. Change any of it below.

Your numbers

What you would pay yourself as W-2 wages. It has to be reasonable compensation.

Estimated federal tax

Sole proprietor-
S-corporation-

Difference-

Income tax
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SE / payroll tax
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QBI deduction
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Effective rate
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Illustrative only, and not tax advice. A simplified federal estimate on 2026 figures. It leaves out state tax, credits, payroll costs and more, and no result here creates a client relationship. What this estimate leaves out · Talk it through first

Want the reasoning rather than the arithmetic? How the S-corp saving actually works.

Run the numbers here. Then bring them to a free call.

The tool narrows the question. The election itself depends on a reasonable salary, payroll costs and your state, and those are worth thirty minutes with an Enrolled Agent before anything is filed.