Jujutsu Zero

Choose a calculator to get started

Spin Probability Calculator

Calculate your chances of pulling specific clans from spins. See probabilities and how many spins you need for 50%, 90%, and 99% success rates.

Optimize your stat allocation (Offense, Sorcery, Vitality) based on your clan, technique, total points, and playstyle for maximum effectiveness.

Plan your lumen farming strategy. Calculate how much time you need to spend on chests vs raids to reach your lumen goals.

Track your mastery progress and calculate how many fights or raids you need to unlock your next skill checkpoint.