OZ Deadline Calculator
Last updated: March 2026OZ Deadline Calculator: Find Your 180-Day Window
Enter your gain details to calculate your exact OZ investment deadline. The calculator shows all available 180-day windows (including K-1 elections), determines whether you can wait for OZ 2.0 rules effective January 1, 2027, and provides a personalized strategy recommendation.
Your Capital Gain Details
All calculations run in your browser. Nothing is sent to a server.
Both long-term and short-term gains qualify for OZ deferral
Partnerships get up to 3 investment windows
The date the gain was recognized (sale/closing date)
Total capital gain amount
The calculator handles three gain types (direct sale, partnership K-1, crypto), three 180-day windows for partnerships, and OZ 1.0 vs. OZ 2.0 rule determination based on the latest possible funding date.
What to Read Next
- The 180-Day Rule: Complete Guide
- OZ 1.0 vs. OZ 2.0: The Complete Transition Guide
- What Is a Qualified Opportunity Fund (QOF)?