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The Internal Revenue Service (IRS) has issued updated guidance on 2025 estimated tax payments, outlining who must pay, key quarterly deadlines, and how to avoid penalties. The update is aimed at taxpayers who don’t have regular federal income tax withholding—including self-employed workers, gig economy earners, retirees, and investors—who must pay estimated taxes directly to stay current during the tax year.

Who Must Pay Estimated Taxes in 2025

According to the IRS, taxpayers generally need to pay quarterly if they expect to owe at least $1,000 in federal tax after accounting for withholding and refundable credits. This requirement most often applies to those without an employer to manage tax withholding—a category that includes freelancers, rideshare drivers, small-business owners, and others engaged in self-employment.

Retirees and investors are also affected. While retirement distributions, dividends, and capital gains generate income, these streams often don’t have federal income tax withholding, leaving recipients responsible for making estimated tax payments. The IRS also highlights that S corporation shareholders, resident aliens, and household employers may fall under the same obligations.

Quarterly Deadlines for Estimated Payments

The IRS divides the year into four payment periods for quarterly estimated tax payments. For 2025, the deadlines are:

  • First quarterly payment: April 15, 2025

  • Second quarterly payment: June 16, 2025

  • Third quarterly payment: September 15, 2025

  • Fourth quarterly payment: January 15, 2026

Taxpayers can choose to pay estimated obligations all at once in April or spread them across four quarterly payments. The deadline shifts to the next business day if a due date falls on a weekend or holiday. The IRS notes that missing these dates may result in an estimated tax penalty unless the taxpayer qualifies for relief.

How Form 1040-ES Helps Taxpayers Calculate What They Owe

The IRS provides Form 1040-ES to determine how much tax to pay each quarter. This form includes worksheets that account for taxable income, deductions, and credits, and it supplies a payment voucher for mailing checks if electronic methods aren’t used.

Taxpayers can avoid penalties if they cover at least 90% of the current year’s tax liability or 100% of the tax shown on the prior year’s tax return. For individuals with an adjusted gross income above $150,000, the threshold rises to 110%. The IRS stresses that making estimated payments on time helps taxpayers avoid penalties and prevent surprises at tax time.

Why the Federal Tax System Requires Estimated Payments

The United States follows a pay-as-you-go federal tax model, which means individuals must either rely on federal income tax withholding from wages or make estimated tax payments during the year. This system is designed to prevent large, unexpected tax bills when filing an annual tax return, while ensuring the government receives steady revenue throughout the tax year.

The IRS requires quarterly contributions based on projected taxable income for those without regular withholding, such as the self-employed, retirees, or investors. Failing to pay enough tax across each payment period can trigger an underpayment penalty, even if the balance is later settled at tax time.

Special Rules and Exceptions for Taxpayers

Some groups follow different filing rules. Farmers and fishermen may make a single January payment instead of four installments. Taxpayers facing disasters, other unusual circumstances, or qualifying for reasonable cause relief may avoid paying a penalty if they cannot pay their estimated tax promptly.

Special calculation methods can be used by individuals who file separately as married or have varying incomes that lead to unequal payments. These provisions help taxpayers comply with the Internal Revenue Service rules while accommodating unique financial situations.

IRS Stresses the Importance of Paying Estimated Taxes on Time

In its guidance, the Internal Revenue Service reminded taxpayers that federal income taxes operate on a pay-as-you-go basis. “Federal income taxes are pay-as-you-go. The law requires individuals who don’t have taxes withheld to pay as they receive income,” the IRS said in its statement. Officials added that taxpayers who fail to pay enough tax during each payment period could face an estimated tax penalty unless they qualify for relief under reasonable cause or other unusual circumstance provisions.

The agency also encouraged taxpayers to use electronic tools. “Electronic payment is the most secure, fastest, and easiest way to pay,” the IRS noted, highlighting online accounts, EFTPS, and mobile options for those who need to make estimated tax payments.

Tax Professionals Warn About Penalties and Compliance

Tax experts emphasize that miscalculating estimated payments can cause taxpayers to pay a penalty at tax time. According to industry advisors, the safest approach is to use Form 1040-ES or the IRS Tax Withholding Estimator to project tax liability. Experts note that those with fluctuating income, such as gig workers or retirees with capital gains, should review their situation each quarter to promptly pay estimated taxes and avoid an underpayment penalty.

How Taxpayers Can Stay Current and Avoid Penalties

The IRS guidance clarifies that taxpayers should review their income early in the tax year to determine whether they need to pay. Using the IRS Tax Withholding Estimator or the worksheets in Form 1040-ES can help calculate total tax owed and ensure that enough tax is covered through withholding or quarterly estimated tax payments.

Experts recommend setting reminders for each quarterly payment deadline to pay your estimated tax promptly, reducing the chance of an underpayment penalty. For those whose income varies, adjusting unequal payments across quarters can also help avoid paying a penalty.

Planning for the Next Quarter

Taxpayers are encouraged to revisit their current year’s tax return and adjust their withholding amount or estimated payments before the next quarter. Proactive planning can prevent surprises at tax time, limit exposure to penalties, and make it easier to comply with federal tax rules without stress.

Where to Find Official IRS Guidance on Estimated Tax Payments

Taxpayers seeking more details on 2025 estimated tax payments can access complete instructions and tools directly from the Internal Revenue Service. The agency provides worksheets, calculators, and official forms to help individuals determine how much tax they must pay each quarter and avoid an estimated tax penalty.

  • IRS Estimated Taxes Overview: Guidance on who must make estimated tax payments, payment periods, and general rules.

  • Form 1040-ES: Official IRS form with worksheets and payment voucher instructions.

  • IRS Newsroom: The latest IRS announcements on federal tax obligations, deadlines, and updates.

  • IRS Payment Options: Secure methods to pay estimated taxes, including online, EFTPS, and mobile app options.

By consulting these sources, taxpayers can prepare for each quarterly estimated tax payment, ensure they pay estimated amounts on time, and minimize the risk of paying a penalty when filing their tax return.