# How to fill out a W-4 at a new job > The W-4 tells your employer how much federal tax to withhold. Fill in Step 1 (your information and filing status) and sign Step 5. Steps 2 to 4 are only for multiple jobs or a working spouse, dependents, or other income and adjustments. Give it to your employer, not the IRS. If unsure, use the free IRS Tax Withholding Estimator. Only claim exempt if you owed no tax last year and expect none this year. - URL: https://explained.page/filling-out-a-w4 - Language: en - Last checked: 2026-10-29 - Watch the 1-minute animated guide: https://explained.page/watch?start=filling-out-a-w4 ## Step by step 1. **Your new job handed you a W-4?** It tells your employer how much federal tax to take out of each paycheck. For many people, it’s quick. 2. **Step 1: your information.** Name, address, Social Security number, and filing status, like single or married filing jointly. 3. **Steps 2 to 4 only if they apply.** One job, single, no kids? You can usually skip them. They’re for multiple jobs, a working spouse, dependents, or other income. 4. **Step 5: sign and date it.** Give it to your employer, not the IRS. Keep a copy. 5. **Not sure? Use the IRS estimator.** Too little withheld means a tax bill; too much means smaller paychecks and a refund. The free IRS Tax Withholding Estimator helps you get close. 6. **Don’t write “exempt” unless it truly applies.** It’s only for people who owed no federal tax last year and expect to owe none this year. Otherwise you could owe a big bill plus penalties. 7. **You can update it anytime, and check for a state form.** Change your W-4 after big changes like marriage, a baby or a second job. Many states have their own withholding form. 8. **Look it up the right way.** Search with your town or state in the words. Pick the official site: it usually ends in .gov. Skip ads and sites that charge for free forms. ## Checklist - Step 1: your info and filing status - Steps 2–4 only if they apply - Step 5: sign it - Give it to your employer - Use the IRS estimator if unsure - Don’t claim exempt unless it applies ## What it does Form W-4 tells your employer how much federal income tax to take out of each paycheck. ## The steps - **Step 1:** name, address, Social Security number and filing status. - **Step 2:** only if you have more than one job, or you’re married filing jointly and your spouse works. - **Step 3:** only if you have children or other dependents and qualify for credits. - **Step 4:** optional: other income, deductions beyond the standard deduction, or extra withholding. - **Step 5:** sign and date. Single with one job and no dependents? You usually fill Steps 1 and 5 only. ## Getting it right Too little withheld can mean a tax bill in April; too much means smaller paychecks and a refund later. The free IRS Tax Withholding Estimator helps you get close. ## “Exempt” Only claim exempt if you had no federal tax liability last year and expect none this year. Otherwise you may owe tax plus penalties. ## After you turn it in Give it to your employer, not the IRS. Update it after big changes like marriage, a baby or a second job. Many states have their own withholding form. ## Common questions ### Do I have to fill out a new W-4 every year? No. It stays in effect until you change it. Review it after life changes or a surprise tax bill. Source page: https://explained.page/filling-out-a-w4/questions/do-i-have-to-fill-out-a-new-w-4-every-year ### What if I have two jobs? Use Step 2 on both W-4s, or the IRS estimator, so enough tax is withheld overall. Source page: https://explained.page/filling-out-a-w4/questions/what-if-i-have-two-jobs ### How do I fill out a W-4 if I’m single with one job? Usually fill in Step 1 (your info, filing status single) and sign Step 5. Skip Steps 2 to 4 unless they apply. Source page: https://explained.page/filling-out-a-w4/questions/how-do-i-fill-out-a-w-4-if-im-single-with-one-job ### What happens if I don’t turn in a W-4? Your employer generally must withhold as if you’re single with no other adjustments, which may not fit your situation. Source page: https://explained.page/filling-out-a-w4/questions/what-happens-if-i-dont-turn-in-a-w-4 ### Can I claim exempt on my W-4? Only if you had no federal income tax liability last year and expect none this year. Otherwise you may owe tax and penalties. Source page: https://explained.page/filling-out-a-w4/questions/can-i-claim-exempt-on-my-w-4 ### How do I get a bigger paycheck? You can reduce withholding, but if too little is withheld you may owe at tax time. Use the IRS estimator to find a balance. Source page: https://explained.page/filling-out-a-w4/questions/how-do-i-get-a-bigger-paycheck ### Do I fill out Step 2 if my spouse works? If you’re married filing jointly and both work, yes, or use the IRS estimator, so enough tax is withheld. Source page: https://explained.page/filling-out-a-w4/questions/do-i-fill-out-step-2-if-my-spouse-works ### When should I update my W-4? After marriage, divorce, a new baby, a second job, a big raise, or if you had a surprise tax bill or a very large refund. Source page: https://explained.page/filling-out-a-w4/questions/when-should-i-update-my-w-4 ## Official sources - [IRS: Form W-4](https://www.irs.gov/) - [IRS: Tax Withholding Estimator](https://www.irs.gov/individuals/tax-withholding-estimator) To find your local office, search for: - "IRS form W-4 instructions" - "[your state] withholding form" --- General information, not legal or professional advice. Rules differ by state. From explained.page (www.explained.page). Life’s stuff, explained simply.