Q2 2026 Estimated Tax Deadline: June 15, 2026
When it's due, what it covers, how to pay, and what happens if you're late.
By the Easy Guides Editorial Team · Updated for 2026
The Q2 2026 estimated tax payment is due June 15, 2026. It covers income you earned April 1 – May 31, 2026. Pay online through IRS Direct Pay or EFTPS — and if you've already paid enough to hit the safe harbor, you may owe nothing this quarter.
When is the Q2 2026 estimated tax deadline?
The Q2 2026 estimated tax payment is due June 15, 2026. Here's the full 2026 schedule so you can see where it fits:
| Payment | Due date | Income earned |
|---|---|---|
| Q1 2026 | April 15, 2026 | January 1 – March 31, 2026 |
| Q2 2026 | June 15, 2026 | April 1 – May 31, 2026 |
| Q3 2026 | September 15, 2026 | June 1 – August 31, 2026 |
| Q4 2026 | January 15, 2027 | September 1 – December 31, 2026 |
What income does the Q2 payment cover?
Estimated tax is a “pay as you go” system, so this payment is for the income you earned April 1 – May 31, 2026. If your income is uneven across the year, you can pay based on what you actually made each quarter (the annualized-income method) rather than in four equal amounts.
How much to pay, and how to pay it
The simplest way to avoid a penalty is the safe-harbor rule: pay in at least 100% of last year's tax (110% if you're a higher earner), spread across the four quarters, and you're covered no matter what you end up owing. Pay online in minutes with IRS Direct Pay (from a bank account, no fee) or EFTPS. Our safe-harbor calculator works out the per-quarter amount.
What if you miss the Q2 deadline?
Don't panic and don't skip the quarter. The underpayment penalty is essentially daily interest, so paying a few days late costs very little — the mistake is not paying at all and letting it compound. Pay as soon as you can and see our missed-payment guide and penalty guide.