How Many Allowances Should I Claim? Filling Out the 2026 W-4

Why allowances no longer exist

Before 2020, each allowance reduced the income subject to withholding by a fixed amount (tied to the personal exemption, which the 2017 tax law reduced to $0). Once personal exemptions disappeared, allowances no longer matched anything in the tax law. The redesigned W-4 replaced them with dollar amounts tied to the actual credits and deductions you expect. The One Big Beautiful Bill Act made the $0 personal exemption permanent.

If you have not turned in a W-4 since 2019, your employer can keep using your old allowance-based form. But the next time you change withholding, you must use the current form.

How to fill out the 2026 Form W-4

Only Steps 1 and 5 are required. If you are single with one job and no dependents, filling in only those two steps gives withholding that is close to your actual tax.

How many dependents should I claim?

Claim the dependents you will actually claim on your tax return, and enter the dollar amount, not a count. For 2026, multiply qualifying children under 17 by $2,200 and other dependents (for example, a college student or a parent you support) by $500. A parent with two children under 17 enters $4,400 in Step 3.

Each dollar in Step 3 reduces annual withholding by one dollar. $4,400 spread over 26 biweekly paychecks lowers federal withholding by about $169 per check. Claiming dependents you will not claim on your return will cause underwithholding and a bill at filing time. Married couples should not both claim the same children; put them on the W-4 for the higher-paying job.

New for 2026: tips, overtime and senior deduction lines

The 2026 W-4's Step 4(b) Deductions Worksheet now has lines for the deductions created by the One Big Beautiful Bill Act: estimated qualified tips (up to $25,000) and qualified overtime premium pay (up to $12,500, or $25,000 joint) if your total income is under $150,000 ($300,000 joint), passenger vehicle loan interest, and the senior deduction for people 65 or older with income under $75,000 ($150,000 joint). Entering realistic amounts lowers withholding during the year instead of producing a larger refund later.

Example: a server expecting $18,000 of qualified tips could enter $18,000 on line 1a. At a 12% marginal rate that reduces annual withholding by about $2,160, roughly $83 per biweekly paycheck.

Getting a refund vs owing: picking your target

• Want a bigger refund? Enter an extra amount per paycheck in Step 4(c).
• Want more take-home pay? Make sure Step 3 and Step 4(b) reflect every credit and deduction you qualify for.
• Two earners or two jobs? Use Step 2. The checkbox works best when the two jobs pay about the same; the IRS Tax Withholding Estimator is the most accurate option.
• Side income or investment income? Use Step 4(a) or 4(c) to avoid owing, or make quarterly estimated payments.

Can I claim exempt?

Only if both of these are true: you owed no federal income tax last year, and you expect to owe none this year. Exempt status stops all federal income tax withholding (Social Security and Medicare still apply), and it expires each year. To keep it for 2027, the 2026 Form W-4 says you must submit a new form by February 16, 2027. Claiming exempt when you do not qualify can lead to a large bill and penalties.

Example: two earners filling out W-4s

Sam earns $85,000 and Riley earns $55,000; they file jointly and have one child under 17. If each filled out only Step 1 as "married filing jointly", each employer would apply the full joint standard deduction and lower brackets to each salary, and together they would be underwithheld, often by a few thousand dollars.

The fix: both check the Step 2(c) box (their pay is reasonably close), or Sam uses the Multiple Jobs Worksheet and enters the result in Step 4(c) of the higher-paying job. Sam, with the higher salary, enters $2,200 for their child in Step 3; Riley leaves Step 3 blank. Checking the IRS Tax Withholding Estimator once a year confirms they are on track.