Taxes catch people off guard all the time.
Your team thinks they know what to expect from their paycheck, only to be surprised at tax time: maybe a smaller refund, an unexpected bill, or less take-home pay than they thought. As a business owner, you’ve probably seen how quickly that confusion can turn into stress and frustration across the team.
And for employees who depend on their refund to pay bills (nearly 37% of taxpayers), getting withholding wrong can wipe out the refund they’re depending on.
Encouraging your team to check their tax withholding early (and adjust it if needed) can help them avoid a surprise bill or a smaller-than-expected refund next spring. When people feel more in control of their pay and taxes, it takes a little weight off and that peace of mind carries over into their work.
In this blog, we’ll discuss exactly how the IRS Tax Withholding Estimator works, why it’s worth using, and how you and your employees can use it to avoid tax-time surprises
What is the IRS Tax Withholding Estimator?
It’s a free online tool from the IRS that helps employees, self-employed individuals, retirees, and even business owners who pay themselves a salary estimate how much federal income tax should be withheld from their paychecks. The tool is designed to make sure that employees have enough tax withheld during the year so they don’t get a surprise tax bill in April.
It’s simple: you plug in details about your income, deductions, and credits, and the estimator shows how that affects your refund, take-home pay, or taxes due. Whether you’re running a construction crew, managing a retail shop, or freelancing on the side, it helps make sure you don’t overpay or underpay taxes throughout the year.
Why should small business owners use the estimator?
As a small business owner, you’re probably not thinking about your own withholding much (unless you pay yourself a salary from your company). If that’s the case, the estimator is just as important for you as it is for your employees.
- Helps you set the right withholding for your salary: If you take a salary as a W-2 employee of your business, you need to make sure enough tax is withheld so you aren’t caught off guard at tax time.
- Keeps your employees on track: You might not directly deal with your employees’ tax filings, but encouraging them to use the IRS estimator helps ensure they’re not over- or under-withholding. This means fewer paycheck corrections and happier employees at tax time.
Also read: How to pay yourself from an LLC [updated in 2024]
How does the IRS tax withholding estimator work?
The tool is easy to use and requires only basic information to get started. Here’s what you and your employees need to use it:
- Paystubs: Have paystubs ready for all jobs, including any side income or spouse’s paychecks.
- Other income: Information on other income sources like self-employment, side gigs, or investments.
- Most recent tax return: This will help the tool generate a more accurate estimate.
Once you input the information, the estimator will calculate an appropriate withholding amount, showing you how much federal tax should be withheld from each paycheck.
How to adjust your withholding
Once you get the estimate, you have two choices:
- Adjust your withholding: Fill out a new Form W-4.
- Keep things the same: If your withholding looks spot on, no action is needed. Just check back again next year.
If you have multiple incomes, increasing withholding might save you from an unexpected bill. Extra income often doesn’t have enough tax withheld, especially from freelance work or 1099 income, so adjusting your W-4 can help cover the gap and avoid owing at tax time.
On the flip side, if you qualify for new deductions or credits, decreasing withholding could put more cash in your pocket now. Those tax breaks reduce what you owe overall, so less tax needs to come out of each paycheck throughout the year.
Also read: How to fill the 1099 form
When should you check your withholding (and encourage your employees to do the same)?
The IRS suggests checking withholding at least once a year. If you’ve already filed your 2024 tax return, now is an ideal time to review withholding for the year ahead. Encourage your employees to do the same.
Additionally, here are some other life events when it’s wise to use the estimator:
- Marriage, divorce, or birth of a child
- Buying a home or moving to a new state
- Starting a side gig or part-time job
- Changes in deductions, credits, or financial situation
These events can significantly change an individual’s tax situation, so it’s smart to revisit withholding after they happen. They often shift your income, tax bracket, or eligibility for credits and deductions. If your withholding doesn’t reflect those changes, you could end up owing more tax than expected or overpaying and shrinking your cash flow.
When to skip the tool
This tool is not for everyone. For example, if:
- You’re a nonresident alien
- Have a pension but no job
- Have a complex tax situation (like dealing with alternative minimum tax or large capital gains)
Then, this tool won’t give accurate results. In such cases, it’s best to consult a tax advisor to avoid making any mistakes.
The bottom line
The IRS Tax Withholding Estimator is a smart starting point, but remember, it’s just that: an estimate. Getting your employees’ withholding right takes more than a one-time calculation. It takes careful payroll handling, accurate records, and regular check-ins as circumstances change.
That kind of attention to detail takes time and consistency. But hiring a full in-house payroll team isn’t always realistic for small businesses such as yours. Therefore, outsourcing is the ideal way to get expert support without the added overhead.
At CoCountant, we offer bookkeeping and accounting services tailored to small businesses like yours. We make sure every transaction is carefully recorded, giving you a clear, up-to-date financial picture at all times.
As part of our accounting services, we also manage your payroll. From calculating employee paychecks and withholding the correct federal and state taxes to submitting payments and filing payroll tax forms on time, we handle it all. We also keep your payroll records clean and reconciled so that every expense is accurate and ready for tax season, audits, or year-end reporting.
FAQs
Can I adjust my withholding multiple times in a year?
Yes. You can submit a new W-4 anytime your financial situation changes. There’s no limit on how often you update it.
Does using the estimator guarantee I won’t owe at tax time?
Not exactly. The tool provides estimates based on the information you enter. Big changes during the year can still affect your final tax bill.
If I over-withheld last year, should I change anything now?
Yes. If you consistently get large refunds, you’re withholding too much. Adjusting now can increase your take-home pay this year.
