HalfpricesoftHalfpricesoft
SupportSearchCartSign In

    ↑↓ Navigate ↵ Select Esc CloseCtrlK or / Open

    How to Calculate 2015 Wisconsin State Income Tax by Using State Income Tax Table

    1. Find your income exemptions

    2. Find your pretax deductions, including 401K, flexible account contributions ...

    3. Find your gross income

    4. Check the 2015 Wisconsin state tax rate and the rules to calculate state income tax

    5. Calculate your state income tax step by step

    6. If you want to simplify payroll tax calculations, you can downloadezPaycheck payroll software, which can calculate federal tax, state tax, Medicare tax, Social Security Tax and other taxes for you automatically. You can try it free for 30 days, with no obligation and no credt card needed.

    Learn more about the computer icon in house payroll tax solution for Wisconsin small businesses here.
    		payroll software
    ezPaycheck: Small Business Payroll Solution

      Wisconsin STATE TAX TABLES



    In House Payroll Solution
    Calculate Federal & State Taxes!
    Print Paychecks, File W2, W3, 943 & 940.
    View Sample Checks
    Try ezPaycheck 30-day FREE demo.


     ezPaycheck: Pay Employees On Time
     How to Make Your Own Checks in House?


    2026 Wisconsin State Tax Witholding Table
    2025 Wisconsin State Tax Witholding Table
    2024 Wisconsin State Tax Witholding Table
    2023 Wisconsin State Tax Witholding Table
    2022 Wisconsin State Tax Witholding Table
    (2021  2020  2019  2018  2017  )

    Tax rate used in calculating Wisconsin state tax for year 2015

    State Abbreviation:

    WI

    State Tax Withholding State Code:

    55

    Acceptable Exemption Form:

    WT-4

    Basis For Withholding:

    State Exemptions

    Acceptable Exemption Data:

    S, M / Number of Exemptions

    TSP Deferred:

    Yes

    Special Coding:

    Determine the Total Number Of Allowances field as follows:
    First Position - Enter the employee's marital status indicated on the WT-4. S=Single and M=Married.
    Second and Third Positions - Enter the total number of exemptions claimed. If the number is less than 10, precede with a zero.

    Additional Information:

    None


    Withholding Formula (Wisconsin Effective 2015)
    1. Subtract the biweekly Thrift Savings Plan contribution from the gross biweekly wages.

    2. Multiply the adjusted gross biweekly wages times 26 to obtain the annual wages.

    3. Apply the taxable income determined in step 2 to the following table to determine the Wisconsin tax withholding.



      4. Tax Withholding Table
      Single

      If the Amount of
      Taxable Income Is:

      The Amount of Wisconsin
      Tax Withholding Should Be:


      Over:

      But Not
      Over:

      Of Excess
      Over:

      $        0
      $   4,000
      $    0
       
      0%
      $         0
          4,000
           10,620
      $    0
      plus
      4.6%
          4,000
          10,620
           13,602
          304.52
      plus
      5.152%
          10,620
          13,602
         22,486
        458.15
      plus
      6.888%
          13,602
        22,486
         43,953
        1070.08
      plus
      7.280%
        22,486
        43,953
         149,330
        2,632.88
      plus
      6.50%
        43,953
        149,330
         219,200
        9,482.39
      plus
      6.75%
        149,330

        219,200

      		 and over 14,198.62plus7.75%  219,200


      Married


      If the Amount of
      Taxable Income Is:


      The Amount of       Wisconsin
      Tax Withholding Should Be:


      Over:

      But Not
      Over:

      Of Excess
      Over:

      $        0
      $  5,500
      $      0
      plus
      0.0%
      $       0
          5,500
          14,950
             0
      plus
      4.60%
         5,500
          14,950
        15,375
           434.70
      plus
      5.52%
         14,950
        15,375
        23,667
           458.16
      plus
      7.38%
       15,375
        23,667
        42,450
        1070.11
      plus
      7.80%
       23,667
        42,450
        149,300
        2,535.18
      plus
      6.50%
       42,450
        149,300
        219,200
        9,482.38
      plus
      6.75%
       149,300
        219,200
      and over
        14,198.61
      plus
      7.75%
       219,200
       
    4. Multiply the number of withholding exemptions claimed by $22 and subtract the amount from the tax determined in step 3.

    5. Divide the annual Wisconsin tax withholding by 26 to obtain the biweekly Wisconsin tax withholding.