How the extension works
An automatic extension of time to file for six months is available to individuals who request it by the original due date. The IRS says you do not need to give a reason. For 2025 returns, the original due date was April 15, 2026 and the extended due date was October 15, 2026; for 2026 returns, the original date is generally April 15, 2027. Verify each year’s dates at IRS.gov.
An extension gives you more time to file, not more time to pay. Estimate what you owe and pay by the original due date to limit interest and penalties.
You still must pay by the original deadline
Interest and late-payment penalties begin accruing after the original due date on any unpaid balance, extension or not. Estimate your tax and pay as much as you can by April. If you pay at least 90% of what you owe by the original deadline and the rest when you file, you generally avoid the larger late-payment penalty.
How to request an extension
- Pay electronically and select extension. When you make a payment with IRS Direct Pay, a debit or credit card, or other electronic methods, you can indicate that it is an extension payment for the tax year and no separate form is required.
- File Form 4868. You can e-file through tax software (some Free File partners allow this at no charge) or mail the paper form with payment.
- Keep your confirmation.
Who may get a different extension
- U.S. citizens living abroad generally get an automatic two-month extension, to June 15, with extensions beyond that available.
- Military in combat zones and disaster-area taxpayers may receive postponements without a form. Check IRS.gov disaster relief.
State extensions
State rules differ. Many states accept the federal extension automatically; others require their own form or payment. A few states have different due dates altogether. Check your state agency, and see our state guides.
When is an extension a good idea?
- You are missing documents (like a K-1 or 1099) and don’t want to file an inaccurate return.
- You are waiting for corrected forms.
- You want time to prepare a complex return (for example, a new business or sale of property).
It is not a good idea if you plan to file a simple return and just are not ready; filing on time is usually better. Also, if you are owed a refund, you can file late without penalty, but you won’t get the refund sooner.
Retirement account deadlines
Extension affects when you file your return, but contribution deadlines for IRAs generally remain April 15, and estimated tax payments have their own schedule. See estimated taxes.
Frequently asked questions
Does an extension give me more time to pay?
No. An extension only gives more time to file. Interest and penalties on unpaid tax begin after the original due date.
How long is a federal tax extension?
Six months for most individuals, generally to October 15.
Do I need a reason to request an extension?
No. The extension is automatic if you request it by the original due date.
Official sources
- IRS: Extension of time to file
- IRS: About Form 4868 (extension)
- IRS Topic 304: Extensions of time to file
- IRS Direct Pay
General information only — not tax, legal or financial advice. Tax figures change every year; verify the current numbers at IRS.gov or with a qualified professional. Read the full disclaimer.