Drop Rate Calculator

Calculate expected drop rates, farming time, and resource requirements for Sailor Piece and other Roblox games. Optimize your farming strategy with a cleaner probability view.

Drop Rate Calculator

Drop Rate (%)

Selected: 0.75% drop rate

Kills Per Hour

20 kills per hour

Common Drop Rates

Probability Chart

10 kills

7.3%

20 kills

14.0%

30 kills

20.2%

40 kills

26.0%

50 kills

31.4%

60 kills

36.3%

70 kills

41.0%

80 kills

45.2%

90 kills

49.2%

100 kills

52.9%

150 kills

67.7%

200 kills

77.8%

300 kills

89.5%

500 kills

97.7%

How to Use

Enter the drop rate, such as 0.5% for a rare boss item.
Set your target confidence level.
Review expected kills and estimated farming time.
Compare multiple items before committing to a route.

Drop Rate Reference

Ice Queen Outfit4.38%

Phantasm Core0.5-0.75%

Ancient Scale2.5%