Wisconsin S-Corp vs LLC Tax Calculator 2026
Wisconsin has graduated income tax rates from 3.5% to 7.6%. State tax applies the same way to both LLCs and S-Corps. Use this calculator to compare your total tax as an LLC/sole proprietor vs an S-Corporation in Wisconsin.
Your Business Income
Gross 1099 income minus business expenses
Payroll, filing, legal (~$1,500–$3,000/yr)
S-Corp Salary Level
The IRS requires a "reasonable salary" — typically 40–60% of net income.
Side-by-Side Comparison — Wisconsin
Annual Tax Savings with S-Corp
$0
| LLC / Sole Prop | S-Corporation | |
|---|---|---|
| Net Income | $0 | $0 |
| Salary / SE Earnings | $0 | $0 |
| Distributions | N/A | $0 |
| SE / Payroll Tax | $0 | $0 |
| Federal Income Tax | $0 | $0 |
| Wisconsin State Tax | $0 | $0 |
| S-Corp Compliance Costs | $0 | $0 |
| Total Cost (Tax + Fees) | $0 | $0 |
| Take-Home Pay | $0 | $0 |
Breakeven Analysis
S-Corp vs LLC in Wisconsin
When comparing S-Corp vs LLC in Wisconsin, the key tax savings come from reduced self-employment/payroll taxes at the federal level. Wisconsin state income tax (wisconsin has graduated income tax rates from 3.5% to 7.6%. state tax applies the same way to both llcs and s-corps.) applies equally to both entity types — it doesn't change based on whether you're an LLC or S-Corp, since both are pass-through entities for state tax purposes.
State note: Wisconsin standard deduction phases out at higher income levels.
Wisconsin Income Tax Brackets (2026)
| Income Range | Tax Rate |
|---|---|
| $0 – $14,320 | 3.50% |
| $14,320 – $28,640 | 4.40% |
| $28,640 – $315,310 | 5.30% |
| Over $315,310 | 7.65% |
How S-Corp Saves You Money
As an LLC/sole prop, you pay 15.3% self-employment tax on all net earnings (up to the $176,100 Social Security wage base for 2026). With an S-Corp, you only pay payroll taxes on your salary — distributions are exempt from payroll/SE tax. The lower your salary (within "reasonable" limits), the more you save. But the IRS requires salaries to be reasonable for your role, industry, and location.
Other States
No Income Tax States
Wisconsin Tax Quick Facts
- Income Tax
- Yes
- Tax Type
- graduated
- Top Rate
- 7.65%
- SS Wage Base
- $176,100