W-4 Withholding Calculator
Estimate the federal income tax withheld from your paycheck and find the exact W-4 Step 4(c) extra-withholding amount that gets you to break even at tax time, using the 2026 IRS Publication 15-T percentage-method tables.
W-4 Withholding Calculator
Filing Status (W-4 Step 1c)
Pay Frequency
Your Paycheck
Wages before any tax or deduction.
401(k), HSA, or health premiums that reduce taxable wages.
W-4 Steps 3 and 4
For example $2,200 per qualifying child under 17.
Interest, dividends, or retirement income with no withholding.
Itemized amount above the standard deduction.
Any extra amount you already elected on your W-4.
Mid-Year True-Up (optional)
Leave at 0 to project a full year from January.
Used to spread any recommended extra withholding.
Federal income tax withholding only. Does not include state withholding, Social Security, or Medicare. Figures use the 2026 IRS Publication 15-T percentage method. Download Tax47 for a full return with every credit and deduction applied.
Build Your Whole 2026 Return
This tool tunes one paycheck. Tax47 puts together a full federal return from your W-2, 1099, and Schedule C data, with the refund updating as you go.
How the W-4 Withholding Calculator works
Form W-4 was redesigned in 2020 and no longer uses allowances. It now has five steps, and payroll feeds those entries into the IRS Publication 15-T percentage method to figure the tax taken out of each paycheck. This calculator runs that same method on the 2026 tables, then compares the result against your projected 2026 tax bill.
Each input maps to a line on the actual form. Filing status is Step 1c. The multiple-jobs toggle is the Step 2(c) checkbox. Dependent credits are Step 3. Other income, extra deductions, and any current extra withholding are Steps 4(a), 4(b), and 4(c). The tool annualizes your pay using the periods-per-year divisor for your frequency (52 weekly, 26 biweekly, 24 semimonthly, 12 monthly), runs it through the bracket table, and divides back down to a per-paycheck figure.
For a plain lookup of where your income lands, the 2026 federal bracket calculator shows the same brackets this tool uses on the comparison side.
Reading your results: break even, refund, or owe
The refund or owed figure is your projected annual withholding minus your projected 2026 tax liability. A positive number is a projected refund; a negative number is a balance due. A large refund is not a win. It is an interest-free loan to the IRS, money you could have kept across the year.
A balance due over $1,000 can trigger an underpayment penalty. If your result shows a shortfall, the underpayment penalty calculator estimates the cost, and the recommended Step 4(c) amount here closes the gap. The effective withholding rate, your annual withholding as a share of gross pay, gives a quick sense of how aggressive your current settings are.
How to fill out your 2026 W-4 from these numbers
Set Step 1c to the filing status shown above. If you and your spouse together hold exactly two jobs with similar pay, check the Step 2(c) box on both W-4 forms. Enter your annual dependent credit total on Step 3, for example the amount from the Child Tax Credit calculator. Put untaxed income on Step 4(a) and any itemized amount above the standard deduction on Step 4(b); the itemized vs standard deduction calculator tells you whether you have a Step 4(b) figure at all.
When the tool recommends a Step 4(c) extra amount, write that single dollar figure on the W-4 of the higher-paying job only. Splitting it across jobs or entering it twice leads to over-withholding.
When to update your W-4
Submit a fresh W-4 after anything that shifts your tax picture: marriage, divorce, a new child, a second job, a spouse starting or stopping work, a large raise, or new side income. If last year produced a surprise refund or bill, that is a clear sign to re-run these numbers.
Income outside of payroll often needs its own plan. The estimated quarterly tax calculator covers freelance and investment income with no withholding, a one-time bonus is handled by the bonus tax calculator, and once the year closes the tax refund estimator projects the full result. A W-4 change takes effect on the next payroll run, so updating early in the year gives it the most pay periods to work.
Frequently Asked Questions
Common questions about w-4 withholding calculator
How much should I have withheld from each paycheck on my W-4?
Enough so your total withholding for the year matches what you actually owe. The percentage-method tables in IRS Publication 15-T handle most of this once you set your filing status (Step 1c) and check the Step 2 box if it applies. This calculator shows the per-paycheck figure and flags any gap, so you can fine-tune with a Step 3 credit or a Step 4(c) extra amount.
What is W-4 Step 4(c) extra withholding and when should I use it?
Step 4(c) is a flat dollar amount added to the tax taken out of each paycheck. Use it when the standard tables come up short: side income with no withholding, a working spouse, or a balance due last year. Enter the dollar figure on Step 4(c) of the higher-paying job. This tool works out the exact amount that gets you to break-even.
How do I fill out a W-4 so I break even and don't owe taxes?
Set Step 1c to your filing status, check the Step 2 box only if you or your spouse hold more than one job, list dependent credits on Step 3, and add other income or deductions on Step 4(a) and 4(b). If the projection still shows a balance due, put the recommended Step 4(c) amount on the higher-earning job. A projected refund or owed figure near zero means you are dialed in.
Should I check the box in W-4 Step 2 if I have two jobs or my spouse works?
Checking the Step 2(c) box is the easiest option when there are exactly two jobs in the household with similar pay. It tells payroll to use the higher Step 2 tables, which roughly halve the bracket thresholds so each job withholds as if it were stacked on top of the other. If pay is very uneven, the IRS multiple-jobs worksheet or estimator will be more accurate.
How does claiming dependents in W-4 Step 3 change my withholding?
Step 3 is an annual credit amount, say $2,200 per qualifying child under 17 for 2026. Payroll divides that figure by your number of pay periods and subtracts it from the tax withheld each paycheck, which raises your take-home pay. The credit cannot push withholding below zero, and any leftover does not turn into a refund through payroll.
Why did the new W-4 form remove allowances and exemptions?
The redesigned W-4, in use since 2020, dropped allowances because they were tied to personal exemptions, which the 2017 tax law set to zero. The current five-step form asks for dollar amounts instead (credits, other income, deductions, extra withholding), which ties withholding directly to the return math rather than a translated allowance count.
When should I submit a new W-4 to my employer?
Submit a new W-4 after anything that changes your tax picture: marriage, divorce, a new child, a second job, a spouse starting or stopping work, a large raise, new side income, or a surprise refund or bill last year. A W-4 takes effect on the next available payroll run, so the earlier in the year you file it, the more pay periods it has to work.
Does this W-4 calculator account for the 2026 One Big Beautiful Bill tax changes?
Yes. It uses the 2026 inflation-adjusted brackets and standard deductions from IRS Rev. Proc. 2025-32, which reflect the permanent rate structure under P.L. 119-21 (the One Big Beautiful Bill). The percentage-method withholding tables in Publication 15-T come from those same figures.