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Answer a few questions. We place your answers on the official IRS Form W-4 for tax year 2026 so you can download it and give it to your employer.
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What is the W-4?
When you start a job, part of every paycheck goes to taxes before the money reaches you, and the W-4 is the form that tells your employer how much to set aside. You fill out this short form, officially the Employee's Withholding Certificate , and hand it to whoever handles payroll. They keep it on file and use it every payday, so you don't send it to the IRS yourself.
That amount isn't fixed forever. Getting married, having kids, a spouse who starts working, or picking up income on the side can all change what's right for you. When your life shifts, fill out a new W-4 so you're not stuck owing a bill at tax time or having too much withheld while you wait on a refund.
Who needs to fill one out?
Basically anyone on a W-2 payroll. You don't fill one for freelance or 1099 work. That's a different form (W-9).
- You started a new job (your employer will hand you one on day one)
- You got married, divorced, or your spouse started or stopped working
- You had a baby, adopted a child, or a dependent moved out
- You picked up a second job or side gig with a W-2
- You owed taxes (or got a huge refund) last year and want to fix your withholding