﻿ Chance Calculator

# Chance Calculator

category：probability

Chance Calculator

Box Gacha

Kompu Gacha

## Chance Calculator

### When loot box of p% chance is performed n times, the chance to get one or more is

63.40%

#### Probability (p)

%
 hit chance 0 36.60% 1 36.97% 2 18.49% 3 6.10% 4 1.49% 5 0.29%

26.42%

%

459 times.

%

%

## Box Gacha

### The chance to get one or more when a box gacha is performed n times

In this calculator it is assumed that all prizes will come out with equal probability.

 Number of items Number of prizes Number of trials (n)

### The chance to get everything when box gacha is performed n times

In this calculator it is assumed that all prizes will come out with equal probability.

 Number of items Number of prizes Number of trials (n)

## Kompu Gacha

### Expected value of the number of times of trials necessary to hit everything when kompu gacha with n varieties

This is expected value, NOT PROBABILITY. The probability of hitting everything in expected value is about 64 %.

 Number of varieties