This S-corp reasonable salary calculator shows how splitting your S corporation's profit into a W-2 salary plus shareholder distributions changes your tax bill for 2026 — and exactly how much FICA self-employment tax (15.3%) you save versus running the same business as a sole proprietor. Enter your net business profit and the salary you intend to pay yourself, and the tool computes payroll tax on the wage, the FICA-free distribution, your savings, and a flag if your salary looks unreasonably low for the IRS.
The single biggest tax advantage of electing S corporation status is the way it splits an owner's income. A sole proprietor or single-member LLC pays the full 15.3% self-employment tax (SECA) on essentially all of the business's net profit. An S-corp owner instead takes part of the profit as a reasonable W-2 salary — which is subject to the 15.3% FICA tax — and the remaining profit as a shareholder distribution, which is not subject to FICA, SECA, or any payroll tax. Only the salary gets hit by the 15.3%. That is the entire game.
Consider a business with $120,000 of net profit. As a sole proprietor, the owner pays roughly 15.3% on 92.35% of that profit — about $16,955 of SECA. As an S-corp paying a $60,000 reasonable salary, FICA applies only to the $60,000 wage (about $9,180), and the remaining $60,000 distribution is FICA-free. That is roughly $7,775 saved every year, repeating for the life of the business.
This is where the strategy lives or dies. The IRS does not let you set the salary to zero (or near it) to wipe out payroll tax. Under the tax code and decades of case law, an S-corp must pay its working shareholder-employee reasonable compensation for services actually rendered before any profit can be distributed. Reasonable means the amount you would have to pay an unrelated person to do the same job.
The IRS and the courts weigh a consistent set of factors when deciding whether an officer's wage is reasonable. There is no single formula, but these are the recurring tests:
You will see rules of thumb everywhere: "pay 60% as salary," "use a 50/50 split," "pay yourself one-third." None of these are IRS rules. They are guesses people use to feel safe. The correct salary depends entirely on your facts. A consultant who personally generates all the revenue may need to pay nearly all profit as wages; an owner of a capital-heavy business with employees doing the work may justifiably pay a smaller share. The calculator flags salaries below 30% of profit only as a caution, not as a legal line.
| Item | Sole Proprietor | S-Corp ($60k salary) |
|---|---|---|
| Net profit | $120,000 | $120,000 |
| Wage subject to 15.3% | $110,820 (92.35%) | $60,000 |
| FICA / SE tax (15.3%) | $16,955 | $9,180 |
| Distribution (FICA-free) | $0 | $60,000 |
| Payroll-tax savings | — | ~$7,775/yr |
Those savings repeat every year and compound across a decade into real money — but they come with payroll-filing obligations (Forms 941, 940, W-2, and state filings) and the cost of running payroll, which you should weigh against the savings, especially at lower profit levels.
Below roughly $40,000–$50,000 of net profit, the FICA savings often do not cover the added cost of payroll processing, a separate business return (Form 1120-S), and the bookkeeping discipline an S-corp demands. The Medicare portion (2.9%) has no wage cap, so some savings persist at every income level, but the practical break-even where the strategy clearly pays off is usually a stable profit in the mid five figures or above.
The Section 199A qualified business income (QBI) deduction adds a twist. W-2 wages reduce QBI, and for higher earners the deduction is limited by W-2 wages the business pays. So a very low salary maximizes FICA savings but can shrink the 20% QBI deduction once your taxable income crosses the threshold (about $197,300 single / $394,600 joint for 2026). The truly optimal salary balances FICA savings against the QBI limitation — another reason the "lowest possible salary" approach can backfire. See our QBI deduction calculator to model that side.
Electing S-corp status means you become an employer of yourself. That brings real filings: quarterly Form 941 (federal income, Social Security, and Medicare withholding), annual Form 940 (FUTA), a W-2 each January, state unemployment (SUTA) and withholding accounts, and timely federal tax deposits. Missing payroll deposits triggers steep penalties, so most S-corp owners use a payroll service. Budget that cost when you compare against staying a sole proprietor — our FUTA/SUTA employer payroll tax calculator shows the employer-side cost.
The tool computes FICA on your chosen salary (12.4% Social Security up to the 2026 wage base of $184,500, plus 2.9% Medicare with no cap, combining the employer and employee halves to the full 15.3%). It then computes the SECA you would owe as a sole proprietor on 92.35% of the whole profit, and reports the difference as your savings. The distribution above your salary is shown FICA-free. A caution appears if the salary falls below 30% of profit, since aggressively low wages are the leading S-corp audit issue.
The reasonable-compensation requirement isn't theoretical — it has been litigated repeatedly, and the IRS keeps winning. In the well-known Watson case, an accountant paid himself a $24,000 salary while taking roughly $200,000 in distributions from a profitable CPA firm; the courts agreed the wage was unreasonably low for a credentialed professional doing the work, reclassified a large portion of the distributions as wages, and imposed back payroll taxes plus penalties. The lesson is consistent across cases: when a skilled owner personally drives the firm's revenue, a token salary invites reclassification. The IRS doesn't need to prove the "right" number — only that yours is too low — and it routinely uses compensation surveys and the owner's own credentials and hours as evidence. Treat a defensible salary as cheap insurance against a far costlier audit adjustment.
Because reasonable compensation is a facts-and-circumstances test, contemporaneous documentation is your best protection. Build a short file each year that records: your job description and the hats you wear (sales, operations, management, production); the hours you devote; comparable-wage data from sources like the Bureau of Labor Statistics Occupational Employment Statistics, salary surveys, or job postings for your role and region; and a brief rationale for the figure you chose. If your business is capital-intensive or relies heavily on employees, note how much of the profit comes from sources other than your personal labor — that supports a lower owner wage. Some owners commission a formal reasonable-compensation study for higher-profit S-corps; for most, a one-page memo with cited comparables is enough to show good faith.
Your salary level affects more than FICA. As a more-than-2% S-corp shareholder, health insurance premiums the company pays must be added to your W-2 wages (though they remain deductible to you as self-employed health insurance) — a quirk that interacts with your salary planning. Retirement contributions are also wage-linked: a solo 401(k) or SEP-IRA caps the employer contribution as a percentage of your W-2 salary, not your distributions. So a salary set purely to minimize FICA can shrink how much you're allowed to shelter for retirement. Owners who want to maximize a solo 401(k) sometimes deliberately run a higher reasonable salary, accepting a bit more FICA in exchange for a much larger tax-deferred retirement contribution. Balance all three — FICA, QBI, and retirement capacity — rather than optimizing for payroll tax alone.
A reasonable salary is the wage you would have to pay an unrelated person to do the same work, based on your duties, experience, time devoted, and what comparable businesses pay. The IRS has no fixed formula or percentage, but it expects officer wages to reflect the value of services actually performed before any profit is taken as a distribution.
Only the W-2 wages an S-corp pays its owner are subject to the 15.3% FICA tax. Profit distributions paid on top of a reasonable salary are not subject to FICA or self-employment tax. A sole proprietor pays 15.3% SECA on essentially all net profit, so the S-corp owner saves 15.3% on the distribution portion.
There is no legally required percentage. Common rules of thumb such as 60% salary or a 1:1 split are myths, not IRS rules. The salary must be defensible based on the work performed and market comparables.
If the IRS finds your wage unreasonably low, it can reclassify distributions as wages and assess back payroll taxes, penalties, and interest. Courts have repeatedly upheld these reclassifications.
Yes. The S-corp pays the employer half of FICA (7.65%) and you pay the employee half (7.65%) through withholding, for a combined 15.3% on wages up to the Social Security wage base.
Yes. W-2 wages reduce qualified business income, and above the income thresholds the Section 199A deduction is limited by W-2 wages paid. So a very low salary can shrink the QBI deduction for high earners, which partly offsets the FICA savings.