This calculator is arithmetic on a table, not a live mixer. Enter quantities from your own [π₯] Steal a Brainrot session. It will not click the shop.
Upgrade payback
Conveyor payback
Estimate how long a red-carpet purchase takes to earn back its price from the extra cash per second it adds. Enter the live price and the extra income, not a copied table.
Payback cycles = upgrade cost Γ· extra profit per cycle, rounded up.
The sample uses Gangster Footera's reported $30 per second, converted to $1,800 per minute, against a $4,000 price and no income given up. Replace both figures with the offer on your screen. Multiply extra cash per second by 60 to fill the per-minute box, and leave the cycle at 1 minute. The result is a payback estimate in minutes. It ignores rebirth multipliers, mutations, traits, base skins, and the chance that another player takes the unit.
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