The calculation runs in your browser; nothing you enter is sent anywhere. Confirm dates against your card and the current Form I-751 instructions.
How the I-751 filing window works
A conditional green card based on marriage is valid for two years. When filing jointly with your spouse, Form I-751 is generally filed during the 90 days before the second anniversary of the date you became a conditional resident, which is normally the “Card expires” date. This calculator subtracts 90 days from that date to show when your window opens.
If you are requesting a waiver of the joint filing requirement, different timing rules can apply. Read the current Form I-751 instructions for your situation.
Start gathering evidence early
The I-751 instructions list examples of evidence such as joint property, a shared lease, commingled finances, children born to the marriage and affidavits. Many couples also include dated photos from the conditional residence period. Gathering this before the window opens means you can file promptly.
Frequently asked questions
How early can I file Form I-751?
For a joint petition, generally no earlier than 90 days before the second anniversary of becoming a conditional resident, which is usually the expiration date on your card. A petition filed too early may be returned.
What happens if I file Form I-751 late?
The I-751 instructions explain that a late joint petition must include an explanation of the reason for the delay, and USCIS decides whether to accept it. Conditional residents who miss the deadline should consider speaking with an immigration attorney promptly.
Organize your relationship photos in minutes
Case Album turns your photos into a dated, captioned PDF with a cover page. Preview free; photos never leave your device.
Start my album, freeOfficial reference
Case Album is independent software, not affiliated with USCIS. This tool gives general information, not legal advice.