Reverse-engineer possible Individual Values (0 to 31) from observed in-game stats. Refine ranges with characteristics, multi-level observations, and EV history.
#001
Bulbasaur
GrassPoison
POSSIBLE IVS · REVERSE-CALCULATED FROM OBSERVED STATS
Enter your Pokémon's current battle stat values below to determine possible IV ranges.
STAT
BASE
NATURE
EVs
OBSERVED (LV 50)
POSSIBLE IV RANGE
Reverse IV Calculation Method
Inverts the standard stat formula across IV range 0–31 given current level, nature multiplier, and entered EVs. Applies characteristic modulo 5 congruence checks to narrow possible values.
