2026 tax year

Will you owe or get a refund?

Enter your income, current withholding, and deductions. We'll show your projected balance and tell you exactly what to change on your W-4 to stop over- or under-paying.

✓ 2026 brackets ✓ All filing statuses ✓ W-4 line-by-line guidance ✓ Penalty check
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What's new on the 2026 Form W-4 Updated under P.L. 119-21 (One Big Beautiful Bill Act): standard deduction raised to $16,100 single / $32,200 married / $24,150 HoH, individual tax rates permanently extended, and a new Step 4(d) checkbox to claim exemption from withholding (replaces writing "Exempt" by hand below Step 4(c)).
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Income
2
Withholding
3
Deductions
4
Results
💼 Step 1 — Your income
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$
Spouse's job or second W-2
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Freelance, rental, dividends, etc.
🧾 Step 2 — What's already being withheld

Check your most recent pay stub. The YTD federal income tax withheld is the best source. Or enter your per-paycheck withholding and we'll annualize it.

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From your pay stub "Federal Income Tax" YTD column
How many paychecks have you received this year?
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$
Quarterly payments via Direct Pay / EFTPS
🏷️ Step 3 — Deductions & credits
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2026 limit: $23,000 ($30,500 if 50+)
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2026: $4,300 individual / $8,550 family
$2,000 credit per qualifying child
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EV credit, education credit, child care, etc.
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Traditional IRA: up to $7,000 ($8,000 if 50+)
Calculating…
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projected for tax year 2026
Tax owed
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Total withheld
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Effective rate
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Penalty risk
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Under-withheld — Over-withheld
Owe a lot Balanced ✓ Big refund
Line itemAmount
The 2020 W-4 redesign: The IRS redesigned the W-4 in 2020. It no longer uses "allowances." Instead, it uses dollar amounts on specific lines. You only need to update your W-4 if your situation changes — a new job, marriage, child, or side income.
Give the completed W-4 to your employer's payroll department — not to the IRS. Changes typically take 1–2 pay periods to take effect. You can update your W-4 at any time during the year.

How W-4 withholding works in 2026

Your W-4 tells your employer how much federal income tax to withhold from each paycheck. Getting it right means no surprises in April.

01

The W-4 is just an estimate

Your employer uses your W-4 to approximate your tax liability. It doesn't guarantee the right amount — life changes like a raise, new job, side income, or marriage can throw it off. That's why you should re-check it whenever something changes.

02

Big refund = interest-free loan to the IRS

A large refund feels good but means you overpaid all year with no interest earned. Ideally you want to come within $500 of zero — a small refund or a small amount owed. Redirect that money to a high-yield savings account or investments instead.

03

Underpay and you'll owe a penalty

If you owe more than $1,000 at filing and paid less than 90% of your current-year tax (or 100% of last year's), the IRS charges an underpayment penalty. It's calculated per quarter — so fix it early in the year to minimize exposure.

04

The multiple-jobs problem

If you or your spouse have more than one job, each employer withholds based on that job alone — as if it's your only income. But your combined income is taxed at a higher bracket. The W-4 Step 2 checkbox or the IRS multiple-jobs worksheet fixes this.

Frequently asked questions

Look for a line labeled "Federal Income Tax" or "Fed Tax" — not Social Security or Medicare. The "Current" column shows what was withheld from your most recent check. The "YTD" (year-to-date) column shows the running total for the year. Use the YTD figure for the most accurate projection.
Update your W-4 whenever your tax situation changes: new job, marriage or divorce, having a child, a significant raise or pay cut, starting or stopping a side hustle, paying off a mortgage, or when you file taxes and owe a lot or get a large refund. You can submit a new W-4 to your employer at any time — there's no limit.
The 2026 underpayment penalty rate is the federal short-term rate plus 3 percentage points (currently around 8%). It's calculated quarterly on the amount you underpaid each quarter — not as a flat fee. You avoid the penalty entirely if you owe less than $1,000, or if your withholding covers at least 90% of your 2026 tax or 100% of your 2024 tax (110% if your 2024 AGI exceeded $150,000).
On the 2020+ W-4, go to Step 3 and enter your expected tax credits (child tax credit, etc.), then look at Step 4b for any deductions above the standard deduction. Reducing the amount in Step 4c (extra withholding) or increasing the deductions claimed in Step 4b will reduce your withholding and shrink your refund. The W-4 Field Guide tab above gives you the exact numbers to use.
The simplest approach: check the box in Step 2(c) on the W-4 for your higher-paying job, and leave Step 2 blank on the lower-paying job. This signals to each employer to withhold at the higher bracket. Alternatively, use the IRS's Multiple Jobs Worksheet (included in the W-4 instructions) to calculate the exact additional amount to withhold.
Yes, but only if you had zero federal tax liability last year AND expect zero liability this year. The 2026 Form W-4 added a dedicated checkbox below Step 4(c) to claim exemption — previously you had to manually write "Exempt" in that space. Check this box only if you truly qualify; otherwise you'll face penalties and a large tax bill at filing.