If you have multiple jobs, complete a W-4 for each job using the Multiple Jobs Worksheet. If you're unsure, consult a tax professional or the IRS. Can I claim an exemption from withholding?
How to Complete Form W-4 The IRS Tax Withholding Estimator is a helpful tool to estimate how much income tax should be withheld from your paycheck. You can also use the following steps to complete ...