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How to Calculate 2017 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 2017 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 download ezPaycheck 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 in house payroll tax solution for Wisconsin small businesses here.
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Wisconsin State Tax Tables



How to Add a Paycheck
     How to handle Wisconsin Payroll
 Important Tax Due Dates>


2018 Wisconsin State Tax Witholding Table
2017 Wisconsin State Tax Witholding Table
2016 Wisconsin State Tax Witholding Table
2015 Wisconsin State Tax Witholding Table
2014 Wisconsin State Tax Witholding Table
2013 Wisconsin State Tax Witholding Table
2012 Wisconsin State Tax Witholding Table
2011 Wisconsin State Tax Witholding Table
2010 Wisconsin State Tax Witholding Table

Tax rate used in calculating Wisconsin state tax for year 2017 after April 1

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


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  • Withholding Formula (Wisconsin Effective 2017)
    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
      $   5,730
      $    0
       
      0%
      $         0
          5,730
           15,200
      $    0
      plus
      4%
          5,730
          15,200
           16,486
          378.80
      plus
      4.48%
          15,200
          16,486
         26,227
        436.41
      plus
      6.5408%
          16,486
        26,227
         62,950
        1073.55
      plus
      7.0224%
        26,227
        62,950
         240,190
        3,652.39
      plus
      6.27%
        62,950

        240,190

       and over 14,765.34 plus 7.65%   240,190


      Married


      If the Amount of
      Taxable Income Is:


      The Amount of
      Wisconsin
      Tax Withholding Should Be:


      Over:

      But Not
      Over:

      Of Excess
      Over:

      $        0
      $  7,870
      $      0
      plus
      0.0%
      $       0
          7,870
          18,780
             0
      plus
      4%
         7,870
          18,780
        21,400
           436.40
      plus
      5.84%
         18,780
        21,400
        28,308
           589.41
      plus
      7.008%
       21,400
        28,308
        60,750
        1073.52
      plus
      7.524%
       28,308
        60,750
        240,190
        3,514.46
      plus
      6.27%
       60,750
        240,190
      and over
        14,765.35
      plus
      7.65%
       240,190
       
    5. Multiply the number of withholding exemptions claimed by $22 and subtract the amount from the tax determined in step 3.

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

    7. More Payroll Information for Wisconsin Small Business

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    12. How to handle the local taxes

    13. How to handle SDI tax

    14. How to add customized deduction and withhold it automatically

    15. How to set up payroll tax options for church and non-profits

    16. How to handle paychecks for both employees and contractors

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