Genshin Gacha Calculation Tools

This site helps Genshin Impact players plan their gacha pulls. Use various calculation tools to create an efficient gacha plan.

How many pulls can you get with your Primogems?

Enter the number of Primogems you have and check what results you can expect from the gacha.

Primogems:

A tool to actually try pulling the gacha. See how many pulls it takes to get the featured character.

Measure your gacha luck with a deviation score. Compare it with other players.

Calculate the expected value of the gacha. Find out approximately how many pulls are needed.

Calculate the probability of getting a character with the Primogems you have.