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W-4 & IRS Withholding Calculator

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Update W-4 Tax Withholdings

The purpose of Tax Form W-4 is simple ― it is used by your employer to withhold the proper amount of federal income tax from your paycheck. The IRS recommends that employees submit a new W-4 tax form each year, or any time their personal or financial situation changes. Of course, this is required upon being hired.

The 2023 W-4 form has released, a copy of the paper form has been included in the PDF below. In addition, we have provided instructions on how to change/update your W-4 allowances directly through the PeopleSoft Self-Service portal.

If you have additional questions regarding PeopleSoft Self-Service functions please visit the PeopleSoft Tips for OU Employees page (link below) or contact the Payroll department under Contact Us, by phone: (405) 325-2961, or email: