Drop Rate Calculator

Calculate drop probabilities, expected attempts, and luck statistics for rare items.

Drop Parameters

Base Drop Rate (%)

1 in 100 chance

Number of Attempts

Luck/Magic Find Bonus (%)

Target Number of Drops

Success Probability

63.40%

Chance of at least 1 drop in 100 attempts

Drop Statistics

Effective Drop Rate1.000%

Expected Drops1.00

Dry Streak Chance36.6032%

Attempts Needed

50% Confidence69

75% Confidence138

90% Confidence230

99% Confidence459

For 1 Drop(s)~100