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How to Send Quarterly Tax Payments Using Form 1040-ES

By Tanika Patel
9 minute read

What Form 1040-ES Does and When You Need It

Form 1040-ES is the IRS worksheet and payment voucher you use to send quarterly estimated tax payments if you're self-employed, a freelancer, a gig worker, or have income the IRS doesn't automatically withhold taxes from. The form itself has four identical vouchers—one for each quarter—and you tear off and mail the voucher that matches the quarter you're paying for, along with your check or money order.

You need Form 1040-ES if you expect to owe $1,000 or more in federal income tax for the year after subtracting any withholding and credits. The IRS publishes a new Form 1040-ES every January with updated tax tables and instructions for that tax year. You can download it free from IRS.gov or request a printed copy by phone.

The form is not an application or a request for anything. It's a payment instruction sheet. You fill in your estimated tax for the year, divide it by four, and send one quarter's worth each quarter. The voucher tells the IRS which quarter the payment covers and which tax year it applies to.

Key Takeaways

  • Form 1040-ES has four tear-off vouchers, one for each quarter, and you mail the voucher that matches the quarter you're paying for along with your check or money order.
  • You calculate your estimated tax using the worksheets in the Form 1040-ES instructions, which account for your expected income, deductions, and credits for the full year.
  • Quarterly payments are due April 15, June 15, September 15, and January 15 of the following year, and mailing your voucher at least a week early reduces the risk of a late-payment penalty.
  • If you underpay or miss a quarter, the IRS charges interest and a penalty on the shortfall, but you can reduce or eliminate the penalty by showing your income was uneven across quarters.
  • You can pay by mail with the voucher, by phone, online through IRS Direct Pay or EFTPS, or by credit card through an IRS-approved payment processor.

How to Calculate Your Quarterly Payment Amount

The Form 1040-ES package includes a worksheet labeled "Estimated Tax Worksheet" that walks you through the calculation step by step. You start by estimating your total income for the year—wages, self-employment income, rental income, capital gains, or any other taxable source. Then you subtract deductions you expect to claim (standard deduction or itemized deductions) and any tax credits you're may have access to to, such as the Earned Income Tax Credit or child tax credits.

The worksheet then applies the 2024 tax brackets and rates to your estimated taxable income to arrive at your estimated federal income tax for the year. If you had a similar income last year, you can use last year's tax return as a starting point and adjust for changes you expect. Once you have your total estimated tax, you divide by four to get your quarterly payment amount.

If your income is uneven—for example, you earn most of your money in the fall—you can use an annualized income worksheet to calculate unequal quarterly payments instead of four equal ones. This method can lower or eliminate an underpayment penalty if you paid less in the slow quarters and more in the busy ones. The Form 1040-ES instructions include this worksheet and explain when it applies.

The Four Quarterly Payment Dates and How to Mail Your Voucher

The four quarterly payment dates are April 15, June 15, September 15, and January 15 of the following year. These dates do not change year to year. If a due date falls on a weekend or federal holiday, the deadline moves to the next business day, but the IRS website publishes the exact date each year so you can mark your calendar.

To mail your payment, tear off the voucher for the quarter you're paying. Fill in your name, address, and Social Security number or Employer Identification Number at the top of the voucher. Write the amount of your payment on the line labeled "Amount of payment" and the tax year in the box at the top right. Write your check or money order for that amount, make it payable to "United States Treasury," and write your Social Security number and "1040-ES" on the back of the check.

Mail the voucher and check together to the address printed on the voucher. The address varies by state, so use the one on your Form 1040-ES, not an address you find elsewhere. Mail at least seven to ten days before the due date to account for postal delays. The IRS considers a payment on time if it is postmarked by the due date, not if it arrives by the due date.

What Happens If You Underpay or Miss a Quarter

If you pay less than you owe for the year, or if you miss a quarterly payment entirely, the IRS charges underpayment interest and an underpayment penalty on the shortfall. The interest rate changes quarterly and is tied to the federal short-term rate; the penalty is usually 3 percent per quarter of the amount underpaid. Both are calculated from the due date of each quarter through the date you pay the full amount owed.

You do not receive a bill or a notice before the penalty is applied. The IRS calculates it when you file your tax return the following year. If you owe a penalty, it appears on your return or in a notice the IRS sends after processing your return. You can pay it with your return or in installments if you set up a payment plan.

You may be able to reduce or eliminate the underpayment penalty if you can show that your income was uneven across the year or that you had a good reason for the shortfall—for example, a job loss or unexpected medical expense. You request this relief by filing Form 2210 with your tax return and explaining the circumstances. The IRS does not automatically grant relief, but it is worth requesting if your situation qualifies.

Alternative Payment Methods Beyond Mailing a Check

You do not have to mail a physical voucher and check. The IRS offers several other ways to send your quarterly payment. IRS Direct Pay is a free online service where you log in with your Social Security number or Employer Identification Number, enter your payment amount and the quarter you're paying for, and authorize a debit from your bank account. The payment posts within one business day.

EFTPS (Electronic Federal Tax Payment System) is another free option that works similarly but requires you to enroll in advance—usually one to two business days before you want to make a payment. Both Direct Pay and EFTPS are secure and leave an electronic record of your payment, which can be useful if you ever need to prove you paid on time.

You can also pay by phone through the IRS automated system or by credit or debit card through an IRS-approved payment processor such as PayPal, Stripe, or Square. Credit card payments incur a processing fee (usually 1.5 to 2 percent of the payment amount) that you pay to the processor, not to the IRS. Whichever method you choose, the payment is considered on time if it is processed by the due date, not if you initiate it by the due date.

Tracking Your Payments and Keeping Records

Keep a record of every quarterly payment you make, including the date, amount, quarter, and payment method. If you mail a check, keep a copy of the cancelled check or a bank statement showing the payment cleared. If you pay online, print or save the confirmation page or email the IRS sends you. These records protect you if the IRS ever questions whether you paid or when you paid.

The IRS processes payments slowly, and it can take several weeks for a mailed payment to appear in the IRS system. If you check your account online and do not see a recent payment posted, that does not mean it was lost—it usually means it is still being processed. Do not send a duplicate payment. Wait at least three weeks after mailing before contacting the IRS about a missing payment.

When you file your tax return the following year, the IRS automatically credits all the quarterly payments you made against your total tax liability for that year. If you overpaid, you receive a refund or can request that the overpayment be applied to next year's estimated taxes. The IRS does not send you a separate notice confirming your quarterly payments; they appear on your tax return transcript if you need to verify them later.

When You Do Not Need Form 1040-ES

You do not need to file Form 1040-ES if your employer withholds federal income tax from your paychecks and you expect the total withholding to cover your tax liability for the year. Withholding from W-2 wages counts toward your estimated tax requirement, so if you have a job and a side business, you may be able to adjust your W-4 withholding to cover both instead of making separate quarterly payments.

You also do not need Form 1040-ES if you expect to owe less than $1,000 in federal income tax after subtracting withholding and credits. Below that threshold, the IRS does not require quarterly payments and does not charge an underpayment penalty if you pay the full amount when you file your return.

If you are unsure whether you need to file Form 1040-ES, the Form 1040-ES instructions include a worksheet that helps you determine this. You can also contact the IRS at 1-800-829-1040 or consult a tax professional who can review your specific situation.

Frequently Asked Questions

Can I change my quarterly payment amount if my income changes during the year?

Yes. You can recalculate your estimated tax at any point during the year and adjust your remaining quarterly payments. If you realize in July that your income will be lower than you estimated, you can reduce your September and January payments. Recalculate using the same Form 1040-ES worksheet, and mail the new amount with the voucher for that quarter.

What if I file my tax return before the January 15 quarterly payment is due?

You can skip the January 15 payment if you file your return and pay any remaining balance before that date. The January 15 payment is for the following tax year, so if you have already settled your current year's tax liability, you do not owe it. However, if you file early and still owe money, pay it with your return rather than waiting for the quarterly due date.

Do I need to file Form 1040-ES if I am retired and living on Social Security?

No, unless you have other income such as self-employment, rental income, or substantial investment income. Social Security benefits alone do not require quarterly estimated tax payments. If you have mixed income sources, use the Form 1040-ES worksheet to determine whether your total tax liability triggers the requirement.

What happens if I mail my payment after the due date?

A late payment triggers an underpayment penalty and interest starting from the due date, even if the payment arrives only a few days late. The penalty applies to the full quarter's payment amount for each day it is late. Mailing at least a week before the due date protects you from postal delays, and paying online or by phone guarantees the payment posts on the day you send it.

Can I use last year's Form 1040-ES for this year?

No. The IRS updates Form 1040-ES every year with new tax rates, brackets, and worksheets. Using an old form can result in incorrect calculations and underpayment penalties. Download the current year's form from IRS.gov or request a printed copy by phone before you calculate your quarterly payment.