Paycheck Information

+Gross Pay
+Supplemental Wages
-Pension (PreTax)
-Health (PreTax)
-After Tax Deds
-Social Security
-Medicare
-Federal Withholding
-Arizona Withholding
=Net Pay

This paycheck calculator calculates in both directions: Enter the gross pay to calculate deductions to arrive at net pay or enter the net pay to "gross up" the paycheck. If you need any assistance with this calculator, please do not hesitate to contact us.

Supplemental Wages (eg Bonuses, Commissions)

Supplemental YTD *
Include supplemental wages with reg pay. **

* Unless your YTD supplemental wages is approaching or greater than $1,000,000, you do not need to fill in year-to-date information. Enter your prior year-to-date supplemental wages before the current paycheck.

** NOTE: If Supplemental wages for the year are less than $1,000,000, you have the option of including them with regular pay for the period, or withholding on the supplemental wages at 22%.

Social Security Wage Limit

YTD SSEC Wages

Unless your YTD Wages is approaching or greater than $142,800, you do not need to fill this in. Enter your Social Security / Medicare Year-To-Date Wages before the current paycheck.

Federal Notes

The federal withholding is based on the percentage method derived from Publication 15-T.

Arizona Notes

Effective for wages paid during 2021, the allowable percentages for Arizona are:

Withholding rates: 0.8%, 1.3%, 1.8%, 2.7%, 3.6%, 4.2%, 5.1%

You can elect to be exempt from state withholding if you expect to have no Arizona tax liability for the current taxable year. If there is no valid A4 (Employee Withholding Election) on file, then the rate should be 2.7%.

Other FWT Methods - Percentage

Fed % of Gross

Percentages are typically 25% - 35% for common methods that withhold a flat percentage of gross federal wages.

Other FWT Methods - Cumulative

YTD Wages
YTD Fed Withholding
YTD Pay Units
Annual Pay Units
Current Pay Units

An employee my ask you, in writing, to withhold tax on cumulative wages. While this method is an accepted method, the more conventional methods are preferred. See Rev. Proc. 78-8, 1978-1 C.B. 562, for an example of the cumulative method.

HOW TO USE THIS SECTION. This can be a very tricky calculation. The Units can be anything you want (i.e. pay periods, pieces, dollars, days, etc). Annual Pay Units are the total amount of units you expect to be in the entire year. Enter Year-To-Date amounts before the current paycheck. To calculate wages using a cumulative method, all above fields are required. If you wish to calculate wages using an annualized method, just enter Annual Pay Units and Current Pay Units.