Wisconsin · rates effective Jan 1 – Dec 31, 2026 · verified 2026-08-05
Wisconsin Paycheck Calculator 2026
3.5-7.65% state brackets on taxable wages in Wisconsin — no local income tax, no state payroll deduction.
Wisconsin taxes wages on four brackets (3.5% to 7.65%) with a standard deduction that shrinks as you earn more — $13,960 for a single filer at low income, zero by $136,453. Most calculators get this sliding deduction wrong. This one implements the official 2026 formula exactly.
Official 2026 tables, never copiedSources stamped & dated99 golden tests before publish
CEBy the Calceva data desk · Verified against official sources · Updated 2026-08-05 · 3 min read
Wisconsin's four brackets (3.50% to 7.65%) look ordinary; its standard deduction is anything but. Instead of a fixed amount, Wisconsin's deduction slides: it starts generous and shrinks as income rises, disappearing entirely for higher earners. Two salaries a few thousand dollars apart can face noticeably different deductions - a mechanic most quick calculators simply ignore by applying a flat figure.
This calculator models the slide exactly as the official formula prescribes, which is why our Wisconsin number can differ from a competitor that hard-codes one deduction for everyone. Watch the effective rate in the results as you move the salary: the curve bends where the deduction phases out, not just where brackets change. That is Wisconsin's signature on a pay stub.
One narrow band where we follow a different formula
Worth stating plainly, because it is a choice we made rather than something the state prescribes: Wisconsin's sliding standard deduction for head-of-household filers converges with the single-filer formula above $58,827. In that narrow band this calculator follows the single formula. For almost every head-of-household filer the two give the same answer; if you are close to that income and filing as head of household, treat the state line here as an approximation and check it against the state's own worksheet.
Why is my Wisconsin standard deduction smaller than my neighbor's?
Because Wisconsin's deduction phases down with income - it is a sliding formula, not a fixed amount. Higher earners get less, and eventually none. The calculator applies the official slide automatically.
Does Milwaukee or Madison tax paychecks?
No. No Wisconsin city or county levies a wage tax - the state ladder is the only income tax line.
What are Wisconsin's 2026 rates?
Four brackets from 3.50% to 7.65% on taxable income after the sliding deduction. The official schedule and the deduction formula are linked, dated, in the sources below.
We never copy another calculator. Each rate is read from the official document, dated, and re-checked when agencies publish changes. This page's paper trail:
Verified 2026-08-05
WI 2026 Form 1-ES Instructions (D-101A R. 1-26, PDF read in full; host DNS-blocked from our network, fetched via resolved official IP) — 2026 brackets: single/HOH 3.5% to $15,110, 4.4% to $51,950, 5.3% to $332,720, 7.65% above; MFJ 3.5% to $20,150, 4.4% to $69,260, 5.3% to $443,630, 7.65% above; MFS half-MFJ. Sliding standard deduction 2026: single $13,960 minus 12% of income over $20,120 (0 at $136,453); MFJ $25,840 minus 19.778% over $29,040 (0 at $159,690); MFS $12,280 minus 19.778% over $13,780; HOH $18,030 minus 22.515% over $20,120. Personal exemptions $700 each (+$250 if 65+).
Verified 2026-08-05
Wisconsin Publication W-166, Withholding Tax Guide (1/26) — Withholding (alternate method, Pub W-166 1/26): deduction formula ($6,702 single / $9,461 married, phasing out at 12% / 20%), $400 per exemption and the withholding rate schedule (3.54/4.65/5.30/7.65%) - extracted from the official PDF; reproduces worked Examples 1-3 to the cent. Note: the withholding schedule rates are NOT the tax-year rates used for annual liability.
Verified 2026-08-05
Wisconsin Publication W-166 (1/26) — Supplemental wages (Pub W-166): approved flat percentages by annual gross salary - 3.54% below $12,760, 4.65% to $25,520, 5.30% to $280,950, 7.65% above; usable only for supplemental payments.
Federal lines
Federal income tax, Social Security and Medicare on this page follow IRS Rev. Proc. 2025-32, Publication 15 and Publication 15-T, verified 2026-08-07. Our federal engine reproduces 2,175 of 2,175 Publication 15-T cells on every build. The six federal sources, itemised.
Matches the agency
Reproduces the agency’s own published figures. Our implementation of the Wisconsin withholding formula reproduces all 3 worked examples of Wisconsin Publication W-166 (1/26), Alternate Method of Withholding exactly as the agency prints them, re-checked on every build. Check them in the official PDF.
Cite this pageCalceva, “Wisconsin Paycheck Calculator (2026),” verified 2026-08-05, https://calceva.com/wisconsin-paycheck-calculator/