This calculator is arithmetic on a table, not a live mixer. Enter quantities from your own [UPDATE 4] Meme Sea session. It will not click the shop.
Drop probability
Named power roll odds
Estimate the chance of seeing one named power at least once. The default uses the listed Legendary rate without the Lucky gamepass.
Chance of at least one success = 1 − (1 − chance per attempt) raised to the number of attempts.
The default 0.44 is the listed chance to roll one named Legendary power (Dark, Dog, Dough, or Floppa) from Floppa Gacha or Doge Gacha without the Lucky gamepass. With Lucky, that listed chance is 0.63. A named Rare is listed at 3.08, Uncommon at 6.92, and Common at 17.48. Change the percent to match the power you want. Each roll costs $25,000 or 25 Gems and the gacha NPCs require level 50. The result is the chance of at least one success in independent rolls. It does not read your inventory or include trading and wild spawns.
Material planner
Balls still needed for Baller
Count how many Balls you still need for the Baller fighting style. Edit the fields if you are short a different stack size.
Required total = materials per upgrade × number of upgrades. Missing = max(required total − materials already owned, 0).
Baller, on MrBeast Island, asks for 10 Balls plus $10,000,000. The Baller boss is listed as dropping 1 Ball at a 5% chance. This form only counts Balls. It does not price the cash, and it does not turn the drop rate into a guaranteed number of kills.
Material planner
Money Bags still needed for Bonk
Count Money Bags still required for Bonk. The $1,000,000 shop price is separate.
Required total = materials per upgrade × number of upgrades. Missing = max(required total − materials already owned, 0).
Meme Man on MrBeast Island sells Bonk for 5 Money Bags and $1,000,000. Mr Beast is listed as dropping a Money Bag at 5%. This form counts bags only.
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