Upgrade Cost Calculator
Estimate expected cost, average attempts and cumulative success chance for upgrade systems.
Tools by tag
probability
Choose a tool, fill in the fields and generate the result. Pages are short, clear and focused on the task.
Drop Chance Calculator
Estimate your cumulative chance of getting at least one drop after repeated attempts and see how many runs it may take.
Probability and Attempts Calculator
Estimate the chance of success after multiple attempts from a per-attempt probability.
probability: when this tag tends to help
This section brings together 3 pages from the same task family. Compare formats, fields and outputs before deciding which tool matches your need best.
How to get more value from this list
Open two or three similar options, read the summary and check whether the fields match your case. When one page already covers the full flow, prefer the most direct tool instead of the longest one.