Tools · Self-Employment Tax
Wisconsin 1099 Tax Calculator (2026)
Estimate what you owe on 1099 or self-employment income in Wisconsin for 2026. Enter your income and business expenses to see your self-employment tax, federal income tax, Wisconsin state income tax, and a rough quarterly payment.
Wisconsin self-employment tax calculator
- Net profit (income − expenses)
- $60,000
- Self-employment tax (15.3%)
- −$8,478
- Federal income tax
- −$4,511
- Wisconsin income tax
- −$1,890
- Total estimated tax
- $14,879
Wisconsin taxes self-employment profit as ordinary income. Wisconsin has four graduated brackets from 3.5% to 7.65%. Most income falls in the 4.4% and 5.3% bands; the 7.65% top rate applies only above about $333,000 single. Social Security is exempt.
Note on 2026 figures: The 3.5%/4.4%/5.3%/7.65% rates are fixed for 2026, but the Department of Revenue had not yet posted its official 2026 bracket dollar amounts or standard deduction at build. Thresholds and the standard deduction shown are the 2026 inflation-indexed figures reported by the Tax Foundation, to be replaced when the DOR posts its 2026 tables.
Federal: IRS Revenue Procedure 2025-32 (IR-2025-103) · Social Security Administration. State: Wisconsin Department of Revenue.
Estimate for 2026. Self-employment tax is 15.3% on 92.35% of net profit (Social Security capped at the annual wage base); half of it is deducted before federal income tax. Excludes the qualified business income deduction, retirement contributions, health-insurance deduction, credits, and local taxes. This is a planning estimate for general information, not tax advice. Consult a tax professional before making quarterly payments.
How 1099 tax works in Wisconsin
Self-employed people pay self-employment tax: 15.3% (Social Security + Medicare) on 92.35% of net profit, with the Social Security portion capped at the annual wage base. Half of that SE tax is deductible before your federal income tax is figured on the rest. Wisconsin then taxes your profit as ordinary income. Wisconsin has four graduated brackets from 3.5% to 7.65%. Most income falls in the 4.4% and 5.3% bands; the 7.65% top rate applies only above about $333,000 single. Social Security is exempt.
Because no employer withholds for you, the IRS expects quarterly estimated payments. The calculator divides the annual total by four as a starting point. Your actual quarters can vary with income timing and credits.
This is a planning estimate, not your final return. It excludes the qualified business income deduction, retirement and health-insurance deductions, and credits. It is general information, not tax advice. Consult a tax professional before making quarterly payments. Federal figures: IRS Revenue Procedure 2025-32 (IR-2025-103) · Social Security Administration.
1099 tax calculators for other states
Same 2026 engine, each with its own state rules.