How it works
Fill in the 2 fields above and Loot Drop Probability Calculator calculates the result instantly, recalculating as you change any value. It applies the formula P = 1 − (1 − rate)^attempts. The math runs locally in your browser — nothing is sent to a server.
Formula
P = 1 − (1 − rate)^attemptsExamples
- Drop rate per attempt 2 %, Attempts 50 → Chance of ≥1 drop: 63.58%
Frequently asked questions
How do I use the Loot Drop Probability Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Loot Drop Probability Calculator use?
It uses P = 1 − (1 − rate)^attempts. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Loot Drop Probability Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Loot Drop Probability Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on gaming and the rest of the platform, you can use it as often as you like.
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