IRS updates withholding tax estimator for new tax breaks

The Internal Revenue Service has revised its IRS Tax Withholding Estimator to account for changes to tax credits and deductions introduced by the One Big Beautiful Bill Act, including new tax deductions for tips, overtime, senior citizens, car loans and other tax benefits. 

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The IRS Tax Withholding Estimator provides a free tool to help taxpayers and their tax professionals estimate the amount of federal income tax to withhold from paychecks now for the taxes that will be owed next year.

Along with the new tax breaks on tips, overtime, car loan interest and seniors, the online calculator more accurately accounts for OBBBA modifications tied to family-related credits, homeownership and charitable giving. 

The tool leads taxpayers step-by-step through entering income, withholding, credits and deductions. The IRS estimates it takes about 25 minutes on average to fill out (or even less for those with simpler financial situations). By entering information about income, dependents, deductions and multiple jobs, taxpayers get a personalized recommendation on whether to adjust their withholding. If changes are recommended, the tool helps taxpayers complete a new Form W-4, Employee’s Withholding Certificate, or Form W-4P, Withholding Certificate for Periodic Pension or Annuity Payments, to submit to their employer or pension provider.

The Tax Withholding Estimator is available 24/7 and doesn’t require taxpayers to log in or provide personally identifiable information. 

Along with those who want to see how the OBBBA affects them, taxpayers who can benefit from using the estimator include those who:

Have more than one job or a working spouse;Experienced a major life change recently, such as marriage, divorce, the birth or adoption of a child;Claim credits such as the Child and Dependent Care Credit or Adoption Credit;Itemize deductions, including mortgage interest or charitable contributions;Receive income without automatic tax withheld, such as gig, freelance or investment income; and,Owed additional tax or received a larger-than-expected refund during their most recent filing season.

Withholding that closely matches a taxpayer’s anticipated tax liability can help prevent unexpected tax bills and potential underpayment penalties, the IRS pointed out. It can also help taxpayers avoid over-withholding and increase take-home pay throughout the year. For the most accurate results, taxpayers should collect their most recent pay statements and a copy of their latest federal income tax return before using the estimator.

For more information, check out the Tax Withholding Estimator FAQs at IRS.gov.