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.
Enter pack odds as printed on packs. Supported: 1:4, 1 in 4, 1/4 (means 1 in 4 packs).
Probability of hitting at least one of any listed inserts in your total packs.
Assumes independent trials and pack odds are uniform. For simplicity, per-pack hit chances are treated independently across inserts.
