Fill Out IRS Form 4868 Online
Application for Automatic Extension of Time To File U.S. Individual Income Tax Return
Internal Revenue Service
Requests an automatic six-month extension of time to file an individual federal income tax return.
Reviewed July 2026
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IRS Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return, gives you an automatic six-month extension to file your Form 1040 series return. The extension is granted without explanation as long as the form is submitted properly by the regular filing deadline. It moves the filing date, not the payment date, so any tax you expect to owe is still due on time.
Form 4868 is one of the simplest IRS forms, and you can complete it in the Universal PDF editor in a few minutes. Fill in your identification and tax estimate lines, then download the finished PDF to print and mail or to keep with your records if you request the extension electronically.
What is Form 4868 used for
Form 4868 requests more time to file, not more time to pay. Filing it by the April deadline extends your due date for submitting the return itself by six months, typically to mid October. Interest, and potentially a late payment penalty, still applies to any unpaid balance from the original deadline forward.
The extension is automatic, meaning the IRS does not review a reason or approve the request individually. Special rules give some taxpayers, such as citizens living abroad, additional time by default, as described in the instructions and Publication 54.
Who needs to file Form 4868
Any U.S. citizen or resident who cannot complete their individual income tax return by the regular deadline can use Form 4868.
- Filers waiting on late tax documents, such as corrected 1099s or Schedule K-1s
- Self-employed people who need extra time to assemble business records
- Taxpayers dealing with life events that delay their filing
- Anyone who wants to avoid the late filing penalty, which is generally much larger than the late payment penalty
How to fill out Form 4868
The form has two short parts and can be completed with information from your prior return plus a good faith estimate of the current year.
- Part I: your name, address, Social Security number, and your spouse's SSN if you will file jointly
- Line 4: your estimate of total tax liability for the year, made as accurately as you reasonably can
- Line 5: total payments already made, including withholding and estimated tax payments
- Line 6: the balance due, which is Line 4 minus Line 5
- Line 7: the amount you are paying with the extension request, if any
- Check the boxes on Lines 8 and 9 only if you are out of the country or file Form 1040-NR without wage withholding
Where to send it and deadlines
Form 4868 must be submitted by the regular due date of your return, typically in mid April. You can mail the paper form, request the extension electronically through tax software or a tax professional, or simply make an extension payment on IRS.gov and designate it as such, which counts as filing the form.
Paper filing addresses vary by state and by whether you are enclosing a payment, and are listed in the form's instructions on IRS.gov.
Frequently asked questions
No. It only extends the time to file the paperwork. Any tax owed is still due by the original April deadline, and interest accrues on unpaid amounts after that date.
Six months. For a calendar year filer, the filing deadline typically moves from mid April to mid October. Exact dates shift when they fall on weekends or holidays, so confirm the current year's dates on IRS.gov.
The extension is automatic when the form is properly completed and filed on time, and no reason is required. Requests can be rejected for problems like a mismatched name and SSN, so double-check identification fields.
There is no late filing penalty when the IRS owes you money, but filing the extension is still a good safeguard in case your final numbers turn out differently than expected.
No. Keep it for your records. When you file the return, you simply report any payment you made with the extension on the appropriate line.
It depends on the state. Some states honor the federal extension automatically, while others require their own form. Check your state tax agency's rules.
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