Pokémon IV Range Calculator
Use this Marriland-style IV calculator to estimate individual values (IVs) from your Pokémon’s observed stats, level, nature, and EV spread.
| Stat | Base Stat | Observed Stat | EVs |
|---|---|---|---|
| HP | |||
| Attack | |||
| Defense | |||
| Sp. Atk | |||
| Sp. Def | |||
| Speed |
Tip: For best precision, use exact EVs and a higher level Pokémon. Formula assumes modern stat mechanics (Gen 3+).
What Is a Marriland IV Calculator?
The Marriland IV calculator became popular because it made Pokémon stat math easy for regular players. Instead of manually solving formulas, you enter your Pokémon’s level, nature, base stats, EVs, and observed battle-screen stats, then the calculator returns possible IV ranges from 0 to 31 for each stat.
If you breed competitive Pokémon, shiny hunt with stat goals, or build raid-ready teams, IV estimation helps you decide quickly whether a Pokémon is worth training.
How IV Calculation Works
The Inputs That Matter
- Base Stats: Species-dependent values (for example, Charizard has fixed base stats).
- Level: Stat scaling changes at every level.
- Nature: Most natures boost one non-HP stat by 10% and lower another by 10%.
- EVs: Effort Values from training and vitamins.
- Observed Stats: The numbers shown on your summary screen.
Core Stat Formulas
For non-HP stats, the game applies level scaling, then a nature modifier. HP uses a different formula and is not changed by nature. Because of floor rounding at multiple steps, several IV values can map to the same visible stat—especially at lower levels.
How to Use This Calculator Correctly
- Enter the Pokémon’s current level.
- Select the exact nature.
- Type in each base stat for the species.
- Enter observed actual stats from the game summary.
- Input known EV values (or 0 if untouched).
- Click Calculate IV Ranges.
The result table shows each stat’s minimum and maximum IV, along with all matching values. If you get a broad range, level the Pokémon up or gather more exact EV data and recalculate.
Interpreting the Output
Range Width Matters
- 31 only: Perfect IV confirmed.
- 28–31: Very strong, usually competitive-ready.
- 15–31: Too broad to evaluate confidently; collect better data.
- No match: One or more inputs are wrong (often EVs, nature, or base stat typo).
Why No-Match Errors Happen
If the calculator shows no valid IVs for a stat, double-check your nature and EVs first. A single EV mistake or using pre-hyper-training assumptions on hyper-trained Pokémon can create impossible combinations.
Best Practices for Competitive Team Building
- Check IVs at higher levels for tighter ranges.
- Track EV investments in a note while training.
- Use mints/nature tools carefully and remember what actually affects stat display in your game version.
- Pair IV checks with damage calculators for practical battle decisions.
FAQ
Is this the official Marriland tool?
No. This is a Marriland-style IV range calculator built into this article page.
Can this calculate exact IVs at low level?
Sometimes, but low levels usually produce ranges, not exact values. The higher the level and the cleaner your EV info, the more precise the results.
Does this support all generations?
It follows the modern stat formula (Gen 3+ style behavior). If you are working with edge-case formats, event mechanics, or hacked data, use generation-specific tools for strict verification.