You can use the Withholding Calculator on the IRS web site to figure out what you should each put on your W-4 forms. Run the calculator once for the two of you together. The IRS Withholding Calculator is at the following link.
<a rel="nofollow" target="_blank" href="
https://www.irs.gov/individuals/irs-withholding-calculator">https://www.irs.gov/individuals/irs-with...>
