Turbo tax has a W-4 calculator available in which you can enter income and tax withholding information to calculate what your withholding should be for the year. The more precise your input the better the results with the calculator.
https://tuhttps://turbotax.intuit.com/tax-tools/calculators/w4/rbotax.intuit.com/tax-tools/calculato...
After you get the desired results you may print out a blank W4 form to fill out and give to your employer.
