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Bloxism

Odds Calculator

Chance of getting a rare drop across multiple tries.

Your inputs

Load a documented rate

Rarest first. Rates come from each game’s own documentation; items whose rate isn’t published (crafted, unobtainable, or several sources at once) aren’t listed.

Results

Chance of at least one in 100 attempts

86.74%

Per-attempt chance

2.000%

Expected attempts

50

Attempts for 50%

35

Attempts for 90%

114

Attempts for 99%

228

Assumes independent tries at a constant rate — no pity system, no luck boosts. “Expected attempts” is the average; you can get lucky far sooner or need many more. It is not a guarantee.

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