How do I adjust my quarterly estimated tax payment?
John Thompson
Published Feb 12, 2026
QuickBooks Self-Employed can easily calculate your quarterly estimated taxes based on your information and you can also e-file your quarterly tax payments. If you are not able to adjust your quarterly tax estimates, the good news is that you can sort it all out when you file your annual tax return.
Is there a way to amend an estimated tax payment?
There’s no formal way to amend a previously filed and paid quarterly estimated tax payment. There are, however, different ways that you can adjust future payments to reflect changes in your tax liability. If you underpaid your estimated taxes, you can make a supplemental payment of your estimated taxes after discovery.
Do you have to pay second quarter estimated tax?
In other words, if you paid enough the first quarter to cover both the first and second quarters, you won’t be penalized for not sending a second-quarter payment. If you or your spouse also earn income as employees, and you have overpaid your quarterly estimated taxes, you may want to file a new Form W-4.
How can I make ” four equal ” quarterly tax payments?
Take the amount of tax you owed the previous year, divide by four, and use that amount for your estimated payments. As long as you’re paying 100% of what you owed last year, you won’t have any penalty.
When do you have to make quarterly tax payments?
For most people, the due date for the first quarterly payment is April 15. The next payments are due June 15 and Sept. 15, with the last quarter’s payment due on Jan. 15 of the following year. If these dates fall on a weekend or holiday, the deadline is the next business day.
What happens if you underpay your estimated taxes?
Visit for payment information. If a taxpayer underpaid their taxes they may have to pay a penalty. This applies whether they paid through withholding or through estimated tax payments. A penalty may also apply for late estimated tax payments even if someone is due a refund when they file their tax return.
Do you have to pay quarterly taxes if you are self employed?
If you’re self-employed, you ordinarily have to make quarterly tax payments (estimated taxes) to the IRS. Here’s what you need to know about estimated taxes One of the great things about being self-employed is that no taxes are withheld from your pay by your clients or customers.
How to calculate your quarterly self employment tax?
Determine your income after the first quarter of the year and subtract all of your business expenses and deductions. If you expect your income and expenses to stay relatively constant throughout the year, multiply this number by four. Determine Your Self-Employment Tax.
What’s the challenge of estimating your taxes accurately?
The challenge to estimating taxes accurately, besides all of the erratic income sources, is that “you are dealing with three different tax systems—the 3.8% Medicare tax, the alternative minimum tax, and the regular income tax.