Net Pay Calculator with Updated W-4

This version of Net Pay Calculator should be used by those who submitted Federal W-4 in 2020 or later.

This net pay calculator can be used for estimating taxes and net pay. This is only an approximation. Be aware that deduction changes or deductions not taken in a particular pay will have an impact on your net pay. Small variations may also occur in tax calculations due to rounding.

Before you begin, be sure to have a copy of your pay stub for reference. Located at the bottom of this screen is a HELP function that offers more details about the input fields. Fields in red are required.

Year, Residence, and County

Tax Leap Year Factor

Check this if the pay you are calculating falls in a fiscal year, which ends in a leap year. (Ex. July 1, 2019 through June 30, 2020).

Earnings

Regular Pay

The user must input his or her regular pay (that is subject to retirement) in this field. This includes any retroactive reclass and/or acting capacity. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 10 positions including any comma and decimal point.

Pay Frequency

This is a drop-down box with the following values:

  • Select Frequency
  • Weekly
  • Bi-weekly
  • Monthly
  • Bi-weekly 27

Adjustment to Pay

The user can input any additional pay he or she wishes to add to the regular pay field. This includes overtime, shift, miscellaneous, final payout, etc. You may need to add multiple types of earnings and enter the total amount here. This field can have a positive or negative amount (you would use negative for leave without pay or any docked pay from your regular earnings). Entered as Dollars & Cents (Ex: 1,234.34 or -1,234.34). Maximum field size of 10 positions including any comma, decimal point and negative sign.

Exemptions

Federal Marital Status

This is a drop-down box with the following values:

  • Select Marital Status
  • Single or Married Filing Separately
  • Married Filing Jointly
  • Head of Household

State Marital Status

This is a drop-down box with the following values:

  • Select Marital Status
  • Single
  • Married

Married Filing Separate for DC

Check this if you are a resident of DC and married filing separate.

One Earner/One Job lower rate for WV

Check this if would like to claim one earner/one job lower rate for West Virginia.

State Exemptions

The user must enter the number of state exemptions to claim. Can be taken from line 5 on your W-4 form or from your pay stub box labeled ‘St Ex’. This is a numeric field, with a maximum of two digits (value range 0 – 99). To determine number of exemptions that you are entitled to, use the “withholding form instruction” worksheet which can be found under “payroll facts & programs” on this web site.

Additional Federal Withholding

If applicable, the user can enter any additional federal withholding. Entered as Dollars & Cents. Can be taken from line 6 on your W-4 form or from your pay stub box labeled ‘Additional fed tax’. Maximum field size of 8 positions including any comma and decimal point.

Additional State Withholding

If applicable, the user can enter any additional state withholding. Entered as Dollars & Cents. Can be taken from line 6 on your W-4 form or from your pay stub box labeled ‘Additional St tax’. Maximum field size of 8 positions including any comma and decimal point.

For Steps 3, 4a and 4b below, enter annual amounts from your Federal W-4 form.
Step 2c (two total jobs)

Can be taken from Step 2c on your W-4 form. Select "Yes" or “No”, use the “withholding form instruction” worksheet which can be found under “forms” on this web site.

Step 4a (other income)

Can be taken from line 4a on your W-4 form. This is a numeric field. To determine amount that you are entitled to, use the “withholding form instruction” worksheet which can be found under “forms” on this web site.

Step 3 (dependents amt)

Can be taken from line 3 on your W-4 form. This is a numeric field. To determine amount that you are entitled to, use the “withholding form instruction” worksheet which can be found under “forms” on this web site.

Step 4b (deductions)

Can be taken from line 4b on your W-4 form. This is a numeric field. To determine amount that you are entitled to, use the “withholding form instruction” worksheet which can be found under “forms” on this web site.

Pre-tax Deductions

Medical

If applicable, the user can enter any medical deductions listed on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Health Care Spending

If applicable, the user can enter any health care spending deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Pharmacy

If applicable, the user can enter any pharmacy deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Dependent Spending

If applicable, the user can enter any dependent care spending deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Dental

If applicable, the user can enter any dental deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Term Life Insurance

If applicable, the user can enter any term life insurance deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Other

If applicable, the user can enter any other pre-tax deductions on their paycheck (Ex: parking). Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Retirement Deduction

Retirement System

This is a drop-down box with the following values:

  • Select One
  • 2%
  • 3%
  • 4%
  • 5%
  • 6%
  • 7%
  • Fixed $ Amount
  • None

Fixed Dollar Amount

This can only be used if you selected the ‘Fixed $ amount’ category under Retirement system. User must calculate and enter the retirement deduction for any other plans not listed above. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Supplemental Retirement Deductions

457

If applicable, the user can enter any 457 deferred compensation deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

401k

If applicable, the user can enter any 401k deferred compensation deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

403b

If applicable, the user can enter any 403b deferred compensation deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Roth 401k

If applicable, the user can enter any post tax contribution on their paycheck.

Roth 457B

If applicable, the user can enter any post tax contribution on their paycheck.

SRA

If applicable, the user can enter any SRA deferred compensation deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Other Deductions

MD Charity

If applicable, the user can enter any charity deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

St Employee Credit Union

If applicable, the user can enter any credit union deductions on their paycheck. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point.

Tax Year

If applicable, the user can enter any other taxable deductions on their paycheck. There is a drop-down box to select which type of other deduction it may be. Entered as Dollars & Cents (Ex: 1,234.34). Maximum field size of 8 positions including any comma and decimal point. The following values are available:

  • Select Deduction Type
  • Child Support
  • Long Term Care
  • Tax Lien
  • Addit Term Life
  • Wage Garnishment
  • Other

Segmentations (CPB Use)