If you don't know the difference between a W-2 and a W-4 or a 1040 and a 1099, you're not alone. Everyone needs to understand how every IRS tax form is used and when to use them. There are many forms ...

A step-by-step guide to help you fill out a W-4 Fact checked by Vikki Velasquez IRS Form W-4 dictates how much money is withheld from your gross pay for taxes. Step 1 requires you to input personal ...

Adjusting how much tax is withheld from your paycheck will likely now take longer — except for working married couples — thanks to a new Form W-4 released this week from the Internal Revenue Service.