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2023 Estimated Taxes: Don't Forget to Make Your Final Payment

Your final estimated tax payment is due on January 16, 2024. If you're behind, there's still time to catch up.

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Courtney Johnston Senior Editor
Courtney Johnston is a senior editor leading the CNET Money team. Passionate about financial literacy and inclusion, she has a decade of experience as a freelance journalist covering policy, financial news, real estate and investing. A New Jersey native, she graduated with an M.A. in English Literature and Professional Writing from the University of Indianapolis, where she also worked as a graduate writing instructor.
Expertise Taxes, student loans, credit cards, banking, mortgages, investing, insurance
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Dan Avery Former Writer
Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The New York Times, Newsweek, NBC News, Architectural Digest and elsewhere. He is a crossword junkie and is interested in the intersection of tech and marginalized communities.
Expertise Personal finance, government and policy, consumer affairs
Courtney Johnston
Dan Avery
5 min read
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Anyone who earns income that isn't taxed should pay quarterly estimated tax payments.

Zooey Liao/CNET

Tax season is quickly approaching. If you haven't paid your estimated taxes for the year, it's time to square up with the IRS.
Paying estimated taxes four times a year is a smart move for those who work a side hustle, take on freelance jobs or own a business, since this income likely isn't automatically withheld by an employer. If you have other revenue not subject to withholding -- interest, dividends, capital gains, alimony, cryptocurrency or rental income -- you also typically need to make quarterly estimated tax payments to the IRS.

Doing this not only minimizes your financial burden when tax day arrives, but it can also help you avoid IRS self-employment penalties for not paying throughout the year. 

The estimated-tax filing process can be complicated, but we're here to simplify it for you. Here's everything you need to know to calculate your taxes and file on time.

What are estimated taxes?

If you earn or receive income that isn't subject to federal withholding taxes throughout the year -- side hustle earnings or income from a rental property, for example -- you'll pay as you go with estimated taxes. Estimated tax is a quarterly payment based on your income for the period. Essentially, estimated tax allows you to prepay a portion of your income tax every few months to avoid paying a lump sum when your tax return is due.

When are estimated taxes due?

Estimated taxes are paid quarterly, usually on the 15th day of April, June, September and January of the following year. One notable exception is if the 15th falls on a legal holiday or a weekend. In those cases, you must file your return by the next workday. 

The deadlines for 2023 estimated taxes are below. 

Estimated tax deadlines

Earning periodTaxes due
Jan. 1 to March 31, 2023 April 18, 2023
April 1 to May 31, 2023 June 15, 2023
June 1 to Aug. 31, 2023 Sept. 15, 2023
Sept. 1 to Dec. 31, 2023 Jan. 16, 2024

Who has to pay estimated taxes?

If you filled out the IRS W-4 form, which provides directions for your employer about how much to withhold from each paycheck, you might not need to pay estimated taxes. If you aren't a W-4 salaried employee, you probably need to keep estimated tax payments on your radar. According to the IRS, you generally have to make estimated tax payments if you expect to owe tax of $1,000 or more when your return is filed, and if your employment type falls into one of these categories: 

  • Independent contractor or freelancer
  • Sole proprietor
  • Partner
  • S corporation shareholder

Other sources of income that fall under the estimated tax umbrella include:

  • Dividends and interest earned from investment sales
  • Royalties for past work
  • Landlord rental income
  • Alimony
  • Unemployment benefits
  • Retirement benefits
  • Social Security benefits, if you have other sources of income 
  • Prizes and awards

You may also need to pay estimated tax as a full-time employee if your employer isn't withholding enough from your salary. To update your W-4 with the correct withholding amount, use the IRS Tax WIthholding Estimator tool, complete a new W-4, Employee's Withholding Allowance Certificate form and submit it to your employer.

Estimated taxes are due, regardless of whether you're paid by direct deposit, check or digital payment services like PayPal, CashApp, Zelle or Venmo. Note: While you should be paying taxes on that income already, a new rule under the American Rescue Plan requires third-party payment networks to report $600 or more payments to the IRS. 

How do I calculate my estimated taxes?

There are a few ways to calculate your quarterly tax payments depending on your business model and annual earnings. 

  • If you earn a steady income, estimate the tax you'll owe for the year and send one-fourth to the IRS each quarter. You'll also need to include self-employment taxes.
  • If your income varies throughout the year, you can estimate your tax burden based on your income and deductions in the previous quarter. The IRS Estimated Tax Worksheet can help you do the math.

If you've overestimated your earnings at the end of the year, you can complete a 1040-ES form to receive a refund or apply your overpayment to future quarterly taxes. If you underpaid taxes, the form can help you calculate what you still owe. 

How do I pay my estimated taxes?

When filing your estimated taxes, use the 1040-ES IRS tax form, or the 1120-W form if you're filing as a corporation. You can fill out the form manually with the help of the included worksheets, or you can rely on your favorite tax software or tax adviser to walk you through the process and get the job done. From there, you can pay your federal taxes by mail or online through the IRS website. You'll also find a complete list of accepted payment methods and options, including installment plans.

Do I also have to pay estimated state taxes?

It depends. If you live in one of the few US states with no income tax, your responsibility ends with the estimated federal taxes we've discussed. If your state does levy income taxes, you will make estimated tax payments using the same deadlines as for federal taxes. Visit your state's department of revenue website or consult your tax adviser or tax software service for more personalized information. 

What if I don't pay my estimated taxes?

It's a good idea to post a calendar reminder as the quarterly deadline approaches to avoid paying a late penalty. You may be charged a penalty if: 

  • You owe more than $1,000 in taxes after subtracting withholdings and credits.
  • You paid less than 90% of the tax for the current year through estimated taxes. 

The penalty could be waived in some situations. If you want to delve further into estimated tax penalties and conditions of a waiver, see the instructions on the IRS's underpayment guide.

Can I avoid paying estimated taxes? 

Probably not without incurring those penalties. Some classes of workers are exempt from having to make quarterly payments to Uncle Sam, particularly those whose income is exceptionally modest, or those for whom the following apply:

  • If your net earnings were $400 or less for the quarter, you don't have to pay estimated taxes; although you still have to file a tax return even if no taxes are due.
  • If you were a US citizen or resident alien for all of last year, your total tax was zero and you didn't have to file an income tax return.
  • If your income fluctuates drastically throughout the year (if you run a seasonal business, for instance), you may be able to lower or eliminate your estimated tax payments with an annualized income installment method. Refer to the IRS's 2-7 worksheet to see if you qualify.

For more freelance tax advice, read our explainer on tax form 1099-K and check out this business owner's best tips for preparing to pay taxes for your side hustle.