Aaron Graves, PhDude (Replica)

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pokemon ivs calculator

Posted on February 16, 2026 by Admin

Pokémon IV Calculator (Single Stat)

Enter your known values to estimate a stat's IV (Individual Value) from 0 to 31.

Tip: EVs affect stats in increments of 4.

What this Pokémon IVs calculator does

This tool helps you estimate the IV (Individual Value) for one stat at a time using your Pokémon's base stat, level, EV investment, nature effect, and observed in-game stat number. IVs are hidden values from 0 to 31 that influence final stats and are a core part of breeding, training, and competitive team building.

IV basics in plain language

What are IVs?

Think of IVs as built-in genetic values. Two Pokémon of the same species, level, and EV spread can still have different stats because their IVs differ. A higher IV generally means a better stat.

  • 31 IV = perfect value for that stat
  • 0 IV = minimum value for that stat
  • Each stat has its own IV: HP, Attack, Defense, Sp. Atk, Sp. Def, and Speed
If your input values are exact, you may get a single IV result. If not, you may get a range (for example, 27-31).

How to use the calculator correctly

Step-by-step

  • Select whether you are calculating HP or a non-HP stat.
  • Enter the species' base stat for that specific stat.
  • Enter your Pokémon's current level.
  • Enter the EVs invested in that stat.
  • For non-HP stats, pick the correct nature modifier (1.1, 1.0, or 0.9).
  • Enter the exact observed stat from your summary screen.
  • Click Calculate IV Range.

Stat formulas used

The calculator checks all IV values from 0 through 31 and matches the final displayed stat.

HP formula

HP = floor(((2 * Base + IV + floor(EV / 4)) * Level) / 100) + Level + 10

Non-HP formula

Stat = floor((floor(((2 * Base + IV + floor(EV / 4)) * Level) / 100) + 5) * Nature)

Worked example

Suppose you're checking a level 50 Garchomp's Speed:

  • Base Speed: 102
  • Level: 50
  • EVs: 252
  • Nature: Jolly (beneficial for Speed, 1.1x)
  • Observed Speed: 169

Plug these values in and the calculator will output all IVs that could produce that exact stat. If the result is only 31, you've got perfect Speed IV.

Tips to narrow down IV ranges fast

  • Use a higher level Pokémon (or level up temporarily) to reduce rounding ambiguity.
  • Track EVs carefully; even small mistakes can change results.
  • Confirm nature before calculating non-HP stats.
  • Check multiple stats to validate your full IV spread.
  • If possible, use judge feature text in-game as a cross-check.

Common mistakes

Using the wrong base stat

Make sure you're entering the base stat for the exact species/form. Regional forms and alternate forms may differ.

Forgetting nature impact

Nature only affects non-HP stats. A wrong nature setting is one of the most common causes of impossible outputs.

Ignoring EV rounding

EVs effectively apply in groups of four in the stat formula. If EVs are not divisible by 4, the remainder is ignored.

FAQ

Why do I get multiple IV values?

Rounding in the stat formulas can cause several IVs to produce the same final stat, especially at lower levels.

Can this calculator find all six IVs at once?

This page calculates one stat at a time for clarity and accuracy. Repeat the process for each stat.

Does this work for breeding projects?

Yes. It's especially helpful for identifying strong parents, verifying offspring, and planning competitive builds.

Final note

A Pokémon IV calculator is most powerful when paired with careful EV tracking and level-based re-checks. Use this tool as your quick precision check before committing resources like mints, bottle caps, and training time.

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