This calculator is arithmetic on a table, not a live mixer. Enter quantities from your own [⚖️REBALANCE] Toilet Tower Defense session. It will not click the shop.
Upgrade payback
Farm upgrade payback
Estimate how many payouts a farm upgrade needs before it returns its cost. Enter the upgrade price and the extra income that upgrade adds. The sample numbers are not Toilet Tower Defense prices. November 2026 REBALANCE changed farm income, and placement cost is separate from this payback count.
Payback cycles = upgrade cost ÷ extra profit per cycle, rounded up.
The 1000, 100, and 1 defaults are blank examples, not measured farm prices. Replace them with the upgrade cost and extra income shown on your unit. For a wave farm, estimate how many minutes pass between waves. For a per-second farm such as Dark Printer Man, convert the extra money per second into one payout and set the minutes to match that interval. Carrot Farmer Bunny Man pays when a wave is skipped, so use the time between skips you actually take.
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