W-4 Withholding Calculator 2026

Get exact line-by-line instructions for your 2026 W-4 form.
No guessing — we tell you exactly what dollar amount to write on each step.

Based on 2026 IRS Publication 15-T · Step-by-step · W-4 line output

W-4 Wizard — 4 Steps

Income

Other Jobs

Dependents

Results

Step 1 — Your Income & Filing Status

Annual Salary from This Job

Pay Frequency

Filing Status on W-4

Step 2 — Other Jobs or Spouse's Income

Spouse's Annual Wages (if married)

Enter 0 if single or spouse doesn't work

Other Jobs / Side Income (Annual)

Second job wages, freelance income, etc.

Other Income Not From Jobs (Annual)

Dividends, interest, rental income, capital gains

Step 3 — Dependents & Deductions

Children Under Age 17

Each qualifies for $2,000 child tax credit

Other Dependents (age 17+ or non-child)

Each qualifies for $500 dependent credit

Will you itemize deductions?

Expected Itemized Deductions

YOUR 2026 W-4 FORM INSTRUCTIONS

Step 1

Filing Status (check one box)

Single

Step 2

Multiple Jobs Adjustment

Leave blank

Step 3

Claim Dependents — enter total dollar amount

Step 4(a)

Other income not from jobs

Step 4(b)

Deductions (if itemizing above standard deduction)

Step 4(c)

Extra withholding per paycheck

With these settings, your withholding will approximately match your tax liability.

Federal Tax Per Paycheck

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biweekly

Annual Withholding

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Estimated Tax Liability

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To update your W-4: Download Form W-4 (PDF) from IRS.gov, fill in the steps using the values above, and submit to your employer's HR or payroll department.

See full paycheck after taxes →

How to Fill Out the 2026 W-4 Form

The W-4 (Employee's Withholding Certificate) tells your employer how much federal income tax to withhold from each paycheck. The IRS redesigned the W-4 in 2020, eliminating the old allowance system. The 2026 W-4 uses the same 5-step format that has been in place since 2020 — no changes to the form structure for 2026.

The 5 Steps of the 2026 W-4

Step 1 (Required): Enter your name, address, Social Security number, and filing status. Choose Single/Married filing separately, Married filing jointly/Qualifying surviving spouse, or Head of household.

Step 2 (Complete if you have multiple jobs): For households where both spouses work, or you have more than one job. You can check box 2(c) for higher withholding on both jobs, use the IRS withholding estimator, or use the Multiple Jobs Worksheet on page 3 of the W-4 to calculate a precise dollar adjustment for Step 4(c).

Step 3 (Claim your dependents): Enter the total value of dependent tax credits. For 2026: multiply the number of qualifying children under age 17 by $2,000, plus $500 for any other dependents. This amount reduces withholding proportionally across all pay periods.

Step 4 (Optional adjustments): Line 4(a): other income not subject to withholding (interest, dividends, retirement). Line 4(b): excess itemized deductions above the $15,000 standard deduction (single). Line 4(c): extra flat-dollar withholding per pay period — use this to catch up if you owe money each year.

Step 5 (Required): Sign and date. Unsigned W-4s are invalid.

2026 W-4: What's the Same vs. Previous Years

The 2026 W-4 form structure is unchanged from 2020–2025. The pre-2020 allowance system (claiming "0," "1," or more allowances) is permanently retired. If you have an old W-4 on file from 2019 or earlier, your employer can continue using it — but submitting a new 2026 W-4 gives you more precise control of your withholding.

When to Update Your W-4

The IRS recommends reviewing your W-4 whenever a major life event changes your tax situation:

Marriage or divorce (filing status changes)
Birth or adoption of a child (new dependent credit)
Starting or losing a second job
Large salary increase or decrease
Buying a home (potential mortgage interest deduction)
Receiving a large year-end bonus or freelance income
After filing your taxes and discovering you owed or received a large refund
Payroll Taxes Guide
Overtime Rules
Tax Withholding Guide

If you consistently get a large refund, you are over-withholding — increase the amount in Step 3 or reduce Step 4(c). If you consistently owe, increase Step 4(c) by a flat dollar amount per paycheck.

FAQ

W-4 withholding questions answered

How do I fill out a W-4 for 2026?

Step 1: filing status. Step 2: multiple jobs adjustment (if applicable). Step 3: dependent credits ($2,000/child under 17, $500/other dependent). Step 4: optional — other income, excess deductions, extra withholding. Step 5: signature. Use this calculator to get the exact dollar amounts for Steps 3, 4(b), and 4(c).

Should I claim 0 or 1 on my W-4?

The 2020+ W-4 no longer uses allowances. Leave Step 3 blank if you have no dependents, leave Step 4 blank for a single job with standard deduction — withholding defaults to the standard rate for your filing status and pay frequency. No "0 or 1" decision is needed.

What is Step 2 on the W-4 for?

Step 2 handles two-income households. Check box 2(c) for higher withholding if you and your spouse both work at similar salaries. Or use the IRS withholding worksheet to calculate a precise extra-per-paycheck amount for 4(c) if your jobs have very different pay levels.

How do I change my W-4 withholding?

Submit a new Form W-4 to HR or payroll at any time. Your employer must apply it within 30 days. You can submit a new W-4 as often as needed — there's no penalty for updating it.

What happens if I don't fill out a W-4?

Your employer withholds as if you're single with no adjustments — maximum default withholding for your pay level. This typically over-withholds, giving the IRS an interest-free loan until you file. Filing a proper W-4 lets you right-size your withholding.