How to Fill Out Your W-4
Calculate the right federal tax withholding to avoid owing or getting a huge refund. Optimize your W-4 form.
How to Optimize Your W-4
The goal: withhold enough to avoid owing taxes in April, but not so much that you get a huge refund (an interest-free loan to the IRS). The average tax refund is $3,100 — that is $258/month you could have had in your paycheck all year. A perfectly calibrated W-4 results in a refund or amount due of less than $200.
The New W-4 Form
The current W-4 (2020+) eliminated allowances. Instead: Step 1: Filing status. Step 2: Multiple jobs (check box or use worksheet). Step 3: Dependent credits ($2,000 per child under 17). Step 4: Other adjustments — additional income, deductions above standard, extra withholding. Most single-job filers only need Steps 1 and 3.
If you received a refund over $1,000 last year, you are over-withholding. Reduce withholding to keep that money in each paycheck. Investing $200/month (the average over-withholding) at 10% return grows to $42,000 over 10 years — money lost by giving the IRS an interest-free loan.
