Jujutsu Kaisen Incremental Tools
Calculators and utilities for Jujutsu Kaisen Incremental. Use the Reroll Calculator to plan your reroll strategy; redeem Codes first for free rerolls.
Reroll Probability Calculator
P(at least one hit in N rolls) = 1 − (1 − p)^N. Enter drop chance % or use a preset.
Rarity Presets
Click Calculate or choose a preset to see results.
CT Rarity Quick Reference
| Rarity | Chance | Avg Rolls | 50% by roll | 90% by roll |
|---|---|---|---|---|
| Cursed | 0.1% | ~1,000 | 693 | 2,302 |
| Legendary | 4.9% | ~20 | 14 | 46 |
| Epic | 14.9% | ~7 | 5 | 15 |
| Rare | 24.9% | ~4 | 3 | 9 |
| Common | 49.9% | ~2 | 2 | 4 |
Build Planner
Plan your clan, CT, style, and trait combination. Coming Soon.