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Pack Odds Calculator beta
Open Quantity
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Enter the probability you want to hit an insert at least once. The calculator will tell you how many packs you’d need to reach this chance, based on the odds.
Insert Odds
Enter pack odds as printed on packs. Supported: 1:4, 1 in 4, 1/4 (means 1 in 4 packs).
Combined Chance
Probability of hitting at least one of any listed inserts in your total packs.
Total Packs
24
Chance of ≥1 of Any Insert
—
Expected Total Hits (All Inserts)
—
Assumes independent trials and pack odds are uniform. For simplicity, per-pack hit chances are treated independently across inserts.