Wisconsin State Tax Calculator (2026)
Estimate your Wisconsin state income tax for 2026 using the published bracket schedule and standard deduction. State tax is separate from federal tax.
Reviewed by Teja K, CPA · last reviewed . General information, not tax advice for your situation. A calculator is an estimate, not a filed return. How we research and review this.
Before the state standard deduction
Income entered
$0
Standard deduction
$13,960
Taxable
$0
Wisconsin tax
$0
Separate from your federal bill
Effective rate
0.00%
Marginal rate 3.50%
Not included in this figure
- Personal exemption: $700 single, $1,400 joint, $700 per dependent — not applied — this estimate is therefore slightly high
- Local and municipal income tax: No local rates are modelled. — a resident of a city that levies its own income tax will owe more
- State credits, subtractions and addbacks: State-specific adjustments to income are out of scope. — can move the result in either direction
Tax year 2026. Wisconsin tax only — federal tax is separate. Rate figures as of January 1, 2026.
How Wisconsin taxes income
Wisconsin charges 3.5% to 7.65%. State tax is a separate calculation from your federal return rather than a share of it — Wisconsin sets its own schedule and its own definition of taxable income.
- Top marginal rate: 7.65%, reached at $332,720 for a single filer
- Brackets: 4 graduated bands, starting at 3.5%
- Standard deduction: $13,960 single / $25,840 joint
- Personal exemption: $700 single, $1,400 joint, $700 per dependent (not applied here)
Rate figures are as of January 1, 2026 and come from the published Tax Foundation compilation; they have not been independently checked against Wisconsin Department of Revenue. States do change rates mid-year, so confirm a figure there before relying on it.
What catches people out in Wisconsin
- Wisconsin has 4 brackets for a single filer, running from 3.5% on the first dollar up to 7.65% above $332,720.
- The Wisconsin standard deduction is $13,960 for a single filer and $25,840 for a couple filing jointly. It is a separate figure from the federal standard deduction and usually much smaller, so itemising is a decision you make once federally and again for the state.
- Wisconsin's standard deduction begins to phase out at $20,119 of income for single filers and $29,039 for joint filers, reaching zero at $136,453 and $159,690 respectively (footnote ii). This calculator applies the full amount, so it understates the tax for higher incomes.
What this estimate leaves out
Three things are deliberately outside this calculation, because they change more often than annually and a confident wrong number does real damage on a tax page.
- The personal exemption — $700 single, $1,400 joint, $700 per dependent — is not applied, so the figure runs slightly high.
- Local and city income tax is not included. New York City is the significant one nationally.
- State-specific credits, subtractions and income addbacks are out of scope and can move the result either way.
If you have income in India, Wisconsin is where treaty relief runs out
States are not parties to the India-US tax treaty, and a state credit for "taxes paid to other jurisdictions" almost always means other US states rather than other countries.
So NRO interest, Indian rental income or a gain on Indian shares can be taxed by Wisconsin with no credit for the Indian tax deducted at source — even though Form 1116 largely neutralises that same tax federally.
The treatment is not uniform across states, so treat this as the general position rather than as Wisconsin's confirmed one, and check the credit rules with Wisconsin Department of Revenue before relying on relief.
Sources
Frequently Asked Questions
Does Wisconsin have a state income tax?
Yes — Wisconsin charges 3.5% to 7.65%. Figures are as of January 1, 2026.
Is Wisconsin tax on top of federal tax?
Federal tax applies regardless of which state you live in, and is calculated separately. Wisconsin tax is additional to it, and uses its own brackets and its own deduction rather than a share of your federal bill.
I moved to or from Wisconsin during the year. Does this work?
Not directly. A part-year move usually means a part-year return in each state with income apportioned between them, and the state you left applies its own residency test rather than accepting a new address. Use this to size the rates, then treat the apportionment as a separate question.
What filing statuses does this cover?
Single and married filing jointly. Those are the only two schedules published in the sourced data behind this calculator, so head of household and married filing separately are left out rather than approximated from a schedule nobody verified.
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