IRS Form 1040-ES 2026: PDF, Due Dates, and Payment Guide

2026 Form 1040-ES, Estimated Tax for Individuals, helps taxpayers calculate and pay federal tax on 2026 income that is not sufficiently covered by withholding. This often includes self-employment or gig income, interest, dividends, capital gains, rent, royalties, and certain retirement or benefit income.

Download the corrected official 2026 Form 1040-ES PDF

Check the IRS Form 1040-ES page and post-release updates

Important: The IRS corrected mailing addresses and a state-and-local-tax deduction amount in the 2026 package in February 2026. If you saved or printed an earlier copy, download the current IRS PDF before calculating or mailing a voucher.

Independent-site notice: IRSTax-Forms.com is not affiliated with the IRS. The download above is hosted by IRS.gov.

2026 Form 1040-ES Summary

Purpose Calculate and pay estimated federal tax for 2026
For Individuals, including sole proprietors, partners, and S corporation shareholders; estates and trusts use the applicable instructions/forms
First payment April 15, 2026
Current official PDF IRS.gov/pub/irs-pdf/f1040es.pdf
Filing requirement No separate voucher is mailed when paying electronically
Last verified August 6, 2026

Who Generally Needs Estimated Tax Payments?

You may need estimated payments when you expect to owe at least $1,000 in federal tax for 2026 after subtracting withholding and refundable credits and expect withholding and refundable credits to be less than the applicable required-payment threshold.

A common general safe-harbor calculation compares payments with:

  • 90% of the tax shown on the 2026 return, or
  • 100% of the tax shown on the 2025 return, generally increased to 110% for certain higher-income taxpayers.

The details matter. The prior-year return must generally cover a full 12 months, and special rules apply to farmers, fishers, estates, trusts, nonresident aliens, and taxpayers with uneven income. Review the 2026 package and Publication 505.

2026 Estimated Tax Payment Due Dates

Income period Payment due
January 1–March 31, 2026 April 15, 2026
April 1–May 31, 2026 June 15, 2026
June 1–August 31, 2026 September 15, 2026
September 1–December 31, 2026 January 15, 2027

You may pay the entire estimated amount by April 15 or pay in installments. “Quarterly” does not mean every three calendar months—the IRS payment periods are unequal. If a due date falls on a weekend or legal holiday, a timely payment generally carries to the next business day under IRS rules.

How to Calculate 2026 Estimated Tax?

  1. Estimate 2026 adjusted gross income using expected wages, business profit, investments, retirement income, and other taxable income.
  2. Estimate deductions using the rules and worksheet in the current package.
  3. Calculate expected income tax and other taxes, including self-employment tax when applicable.
  4. Subtract eligible credits.
  5. Subtract expected withholding and refundable credits.
  6. Apply the required annual payment and installment rules.

Recalculate during the year if income changes. Taxpayers with seasonal or uneven income may benefit from the annualized-income installment method, but it requires careful records and may require Form 2210 with the eventual return.

How to Pay 2026 Estimated Taxes?

Pay Online

Electronic options include an IRS Online Account, Direct Pay for eligible individual payments, EFTPS, card or digital-wallet processors that charge fees, and electronic funds withdrawal when supported by tax software. Start at IRS.gov/Payments.

Select the correct tax form, payment reason, and 2026 tax period. Save the confirmation number and verify the payment later in your IRS account.

Pay by Check or Money Order

If paying by mail, use the voucher for the correct installment from the current PDF. Make the payment payable to “United States Treasury,” follow the memo instructions in the package, and mail it to the address corresponding to your current residence. Do not use an address copied from an old blog post because IRS mailing addresses can change.

What If You Miss a Payment?

Pay as soon as possible and recalculate remaining installments. An extension to file an annual return does not erase an estimated-tax underpayment. The IRS generally calculates an underpayment penalty based on how much was underpaid and for how long, although exceptions and waivers may apply.

Estimated Tax vs. Withholding

Employees and recipients of some pensions or government payments may be able to increase withholding instead of sending separate estimates. Withholding is generally treated as paid evenly during the year for penalty purposes, which can sometimes help correct an emerging shortfall. Use the IRS Tax Withholding Estimator and submit the appropriate W-4-series form to the payer.

Common Mistakes

  • Using the 2025 package for 2026 income.
  • Using a pre-correction 2026 PDF with an obsolete mailing table.
  • Assuming equal calendar quarters instead of IRS payment periods.
  • Ignoring self-employment tax.
  • Paying under a spouse’s SSN in an order inconsistent with the planned joint return.
  • Mailing a voucher when paying electronically.
  • Failing to retain electronic confirmations and payment records.

Frequently Asked Questions

Do I file Form 1040-ES with my annual return?

Normally, no. The package is used to calculate payments, and vouchers accompany mailed check or money-order payments. Report estimated payments in the payments section of your annual return.

Can I make more than four payments?

Yes. You may pay more frequently, but the required amount still must be paid by each applicable due date.

What if my income begins after March?

The package includes rules for taxpayers who first receive income subject to estimated tax after the first payment period. Do not automatically divide the annual amount into four after a late start.

Do states use federal Form 1040-ES?

No. State estimated-income-tax systems use their own forms and payment portals.

Official Resources

Last reviewed: August 6, 2026. This is general information and not personalized tax advice.