1099TaxCalc
Quarterly Taxes•6 min read

IRS Form 1040-ES Deadlines & Payment Rules for 2026

The official 2026 calendar deadlines for quarterly estimated taxes, how to calculate payment vouchers, and IRS DirectPay electronic filing.

Essential Compliance Rules & Takeaways

  • ✓Q1 is due April 15, 2026; Q2 is due June 15, 2026; Q3 is due September 15, 2026; Q4 is due January 15, 2027.
  • ✓Required if you expect to owe $1,000 or more in federal taxes after withholdings.
  • ✓Pay online in 2 minutes via IRS DirectPay choosing "Estimated Tax" and "1040-ES".
Interactive 1099 Form 1040-ES Tax Calculator:
2026 IRS 1099 Tax Engine Active • SECA 15.3% & QBI 20%
100% Client-Side Privacy Guarantee (Zero Data Stored)
$
Quick-Tap Presets (1-Touch Fast Select):
Mileage, supplies, software, home office
$
Schedule C Net Taxable Profit:$70,000
🚗Drive for deliveries, clients, or supplies?
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Quarterly Tax Voucher (Form 1040-ES)
Quarterly Payment Due
Quarterly Estimated Payment (Each)
$4,952.50
Effective Tax Rate: 23.3%$4,182 / mo Net
15.3% SECA Self-Employment Tax:$9,890.69
Section 199A QBI 20% Tax Shield:-$10,011 basis
Federal Income Tax:$4,566.75
State Income Tax:$5,352.58
Total Annual Tax Liability:$19,810.02
💳 Pay Online via IRS Direct Pay (Zero Fee) ↗

📅 2026 Statutory Form 1040-ES Payment Schedule

Four mandatory IRS installment deadlines to guarantee safe harbor penalty protection

4 Equal Installments
Voucher 1Jan 1 – Mar 31
Statutory Due Date:
April 15, 2026
Amount Due:$4,952.50
Voucher 2Apr 1 – May 31
Statutory Due Date:
June 15, 2026
Amount Due:$4,952.50
Voucher 3Jun 1 – Aug 31
Statutory Due Date:
September 15, 2026
Amount Due:$4,952.50
Voucher 4Sep 1 – Dec 31
Statutory Due Date:
January 15, 2027
Amount Due:$4,952.50
Copied quarterly estimated tax amount!
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Form 1040-ES
Department of the Treasury — Internal Revenue Service
Estimated Tax Payment Voucher
2026
OMB No. 1545-0074
Calendar year 2026 — Statutory Due Date:
Taxpayer Name & Trade Name
Filing Status: single
Amount of Payment
Payment Remittance Instructions:Make your check or money order payable to "United States Treasury". Write your Social Security Number and "2026 Form 1040-ES" on your payment memo line. Enclose voucher and payment in an envelope and mail to the designated IRS center. To pay electronically with zero fees, visit irs.gov/directpay.
✂ - - - - - - - - - - - - - - - Keep Lower Portion for Your Tax Records - - - - - - - - - - - - - - - ✂
Taxpayer Record of 2026 Estimated Tax Installments (Vouchers 1–4)
VoucherEarning PeriodIRS Statutory Due DatePayment Due
Voucher 1Jan 1 – Mar 31, 2026April 15, 2026
Voucher 2Apr 1 – May 31, 2026June 15, 2026
Voucher 3Jun 1 – Aug 31, 2026September 15, 2026
Voucher 4Sep 1 – Dec 31, 2026January 15, 2027
Total Estimated Annual Federal Tax:
State Estimated Tax Jurisdiction: Form 1040-ES covers Federal taxes only. Check your state Department of Revenue for state estimated tax forms.1099TaxCalc • 100% Privacy
TAXPAYER NOTICE & DISCLAIMER (IRC § 6654 & 31 U.S.C. § 333):This voucher is generated for informational estimation purposes using independent calculation software. Not an official IRS tax assessment or formal legal/CPA advice. 1099TaxCalc is not affiliated with or endorsed by the Internal Revenue Service or U.S. Treasury Department. Taxpayer bears sole responsibility for safe harbor compliance under IRC § 6654. Verify all payment amounts with a licensed CPA or tax attorney prior to mailing.

Why 1099 Contractors Must Pay Quarterly

The United States tax system operates on a pay-as-you-go basis. While W-2 employers automatically withhold taxes each pay period, independent contractors must proactively calculate and remit estimated payments four times a year using Form 1040-ES.

The 4 Statutory Due Dates for 2026

Payments cover specific earning periods: Period 1 (Jan 1 – Mar 31) due April 15; Period 2 (Apr 1 – May 31) due June 15; Period 3 (Jun 1 – Aug 31) due September 15; and Period 4 (Sep 1 – Dec 31) due January 15 of the subsequent tax year.