LootCalc

What it does

Drop rate, expected value (EV) and gold per hour (GPH) calculators for OSRS Barrows, WoW Delves, Diablo 4 Helltide, and Path of Exile with optimization guides.

Free probability, guarantee, progress, resource, and batch-accounting calculators for 15 games, with visible inputs, model limits, and sources.

Build a scenario from a documented rule or values you can verify in game. LootCalc separates fixed-rate math, guarantees, progress counters, costs, and full-cycle timing so an estimate does not masquerade as private account data or a guaranteed outcome. Enter a fixed chance per attempt and the number of independent attempts. At a fixed 1 % chance over 100 independent attempts, the chance of at least one success is 63.40% . There is still a 36.60% chance of receiving nothing. Not for pity systems, hard guarantees, changing rates, weighted loot tables, or dependent events. LootCalc turns user-provided inputs and documented game rules into probability, expected-value, and pace estimates. The…from lootcalc.com

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