Pack Completion Planner
Estimate missing letters, expected packs, and time using your own new-letter chance and opening speed. No official odds are assumed.
Pack and time estimate with visible player assumptions and no official default odds
Enter your unique-letter count, estimated new-letter chance, and packs per minute to see missing letters, estimated packs, estimated minutes, and an assumption summary.
Pack completion planner
Estimate the grind left
Use your own observed chance and opening speed. These are planning assumptions, not official Roblox odds or a guarantee.
At a 20% new-letter chance and 2 packs/min, each remaining letter takes about 5.0 packs on average under this simple model.