Probabilidade Drop (múltiplas tentativas)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
pelo menos 1
About this calculator
The Drop Probability calculator is a useful tool for calculating the probability of getting a rare item in a game, considering multiple attempts.
It works based on the formula 1 − (1 − p)^n, where p is the probability of getting the item in a single attempt and n is the number of attempts. This formula allows you to calculate the probability of getting the item at least once in n attempts.
The calculator is useful in real-life scenarios, such as when you're trying to get a rare item in an RPG game or a specific item in a collection game. It's essential to be careful when entering the correct values for p and n, as this directly affects the result.
Additionally, it's crucial to understand that the probability of getting the item in a single attempt is fundamental to calculating the probability of getting the item in multiple attempts. With this calculator, you can get a clearer idea of your chances of getting the desired item.
Frequently asked questions
What is the formula used by the Drop Probability calculator?
The formula used is 1 − (1 − p)^n, where p is the probability of getting the item in a single attempt and n is the number of attempts.
How does the Drop Probability calculator work?
The calculator works by entering the values of p and n, and then calculates the probability of getting the item at least once in n attempts.
When should I use the Drop Probability calculator?
It should be used when you're trying to get a rare item in a game and want to know the probability of getting the item in multiple attempts.
What is important to remember when using the Drop Probability calculator?
It's essential to remember to enter the correct values for p and n, as this directly affects the result.
Is the Drop Probability calculator only useful for games?
No, the calculator can be used in any situation where you need to calculate the probability of getting a result in multiple attempts.