How to Calculate 2021 Kentucky 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 2021 Kentucky 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 Kentucky small businesses here.

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Kentucky State Tax Tables

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Tax rate used in calculating Kentucky state tax for year 2021

State Abbreviation:	KY
State Tax Withholding State Code:	21
Acceptable Exemption Form:	K-4
Basis For Withholding:	State Exemptions
Acceptable Exemption Data:	0 / Number of Exemptions
TSP Deferred:	Yes
Special Coding:	Determine the Total Number Of Allowances field as follows: First Position - Enter 0 (zero). Second and Third Positions - Enter the number of exemptions claimed.
Additional Information:	None

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Withholding Formula >(Kentucky Effective 2021)<

1. Subtract the nontaxable biweekly Thrift Savings Plan contribution from the gross biweekly wages.
   
   
2. Subtract the nontaxable biweekly Federal Health Benefits Plan payment(s) (includes dental and vision insurance program, and flexible spending account - health care and dependent care deductions) from the amount computed in step 1.
   
   
3. Add the taxable biweekly fringe benefits (taxable life insurance, etc.) to the amount computed in step 2 to obtain the adjusted gross biweekly wages.
   
   
4. Multiply the adjusted gross biweekly wages by 26 to obtain the annual wages.
   
   
5. Subtract the standard deduction of >$2,690< from the result of step 4 to compute the taxable income.
   
   
6. Apply the taxable income computed in step 5 to the following table to determine the annual Kentucky tax withholding.
   
   

Tax Withholding Table
If the Amount of Taxable Income Is:		The Amount of Kentucky Tax Withholding Should Be:
Over:	But Not Over:				Of Excess Over:
$       0	$  and over	$       0	plus	5%	$        0



7. Divide the annual Kentucky tax withholding by 26 to obtain the biweekly Kentucky tax withholding.

 

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