JohnB5677
Expert Alumni

Deductions & credits

You certainly can include those changes in the calculation.  Please understand that this is your best estimate. 

 

The W-4 is a guide for your employer to withhold taxes.  The information you already have will get you very close.  Realize that your taxes are calculated based on tax brackets.  Those tax brackets span thousands of dollars.  The information you already have will get you into the right tax bracket.

**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"