Pokemon IV Calculator

What Are IVs (Individual Values)?

IVs, or Individual Values, are hidden numbers that determine a Pokemon's potential in each stat. Each of the six stats (HP, Attack, Defense, Special Attack, Special Defense, Speed) has an IV ranging from 0 to 31. A Pokemon with 31 IV in Attack will have a higher Attack stat than one with 0 IV, all else being equal.

IVs are determined when a Pokemon is encountered or hatched and cannot be changed (though Hyper Training in Gen 7+ can effectively max them out). In competitive battling, most players aim for 5-6 perfect IVs (31 in each relevant stat).

How to Check IVs

1. Select your Pokemon species in the calculator above.
2. Set the correct level (check in-game summary screen).
3. Choose the nature your Pokemon has.
4. Enter the EVs for each stat (use 0 if you haven't trained EVs yet).
5. Input the actual stat numbers you see in your Pokemon's summary.
6. The calculator will display the IV range for each stat.

IV Impact on Stats

At level 100, each IV point adds exactly 1 point to the corresponding stat (before nature modifiers). At level 50, each IV point adds approximately 0.5 stat points. This means the difference between a 0 IV and 31 IV Pokemon at level 100 is 31 stat points — which can be the difference between a knockout and a survival.

The IV Reverse-Calculation Formula

Our calculator reverse-engineers IVs by rearranging the official stat formula (per Serebii's IV calculator method):

Because the game uses floor() operations at multiple stages, the reverse calculation produces a range rather than a single exact value. At level 100, the range is narrow (often ±1); at lower levels, the range widens. This is why our calculator shows an IV range like "29-31" instead of a single number.

IV Judge & In-Game Checking

Modern Pokemon games include built-in IV checking tools, though they require some progress to unlock:

• Gen 6 (XY/ORAS): Talk to the IV Judge in the Battle Resort/Kiloude City. He rates overall potential and identifies the highest IV stat.
• Gen 7 (SM/USUM): Hatch 20+ eggs, then visit the IV Judge at the Battle Tree. He now explicitly says "Best" for 31 and "No Good" for 0.
• Gen 8 (SwSh): The IV Judge is available in the Battle Tower after winning 6 matches. Win enough battles to unlock the "Judge" function on the PC box.
• Gen 9 (SV): After completing the main story, the IV Judge is unlocked automatically in the PC box. Press the + button while viewing a Pokemon to toggle IV stars.

While the in-game IV Judge confirms results, our calculator is useful when the Judge isn't unlocked yet, or when you need exact ranges for breeding decisions.

Breeding & IV Inheritance

IVs are inherited through breeding. The Destiny Knot item is the most important tool — it guarantees that 5 of the 12 parent IVs are passed down to the child (changed from 3 in Gen 5 to 5 in Gen 6+). The remaining stat is randomly generated (0-31).

Hyper Training

Starting in Pokemon Sun & Moon (Gen 7), Hyper Training allows you to max out a Pokemon's IVs to 31 using Bottle Caps. This requires the Pokemon to be level 100. Hyper Trained IVs function identically to natural 31 IVs in battle, though they don't affect breeding outcomes.