Pokémon GO IV Calculator
Determine your Pokémon's exact Individual Values (IVs) and understand their combat potential.
Calculate Pokémon IVs
Results
Enter your Pokémon's details above to see its IVs and potential.
What is a Pokémon GO IV Calculator?
A Pokémon GO IV Calculator is a tool designed to help you determine the Individual Values (IVs) of your Pokémon. IVs are hidden stats that range from 0 to 15 for each of the three core stats: Attack (ATK), Defense (DEF), and Stamina (STA). These values represent a Pokémon's inherent potential, contributing to its overall CP and effectiveness in battles, especially in Pokémon GO PvP leagues.
When you catch or hatch a Pokémon, it comes with a base set of stats determined by its species, plus these hidden IVs. The IV Calculator takes your Pokémon's current stats (like CP, HP, Level) and uses algorithms to narrow down the possible combinations of IVs that could result in those observed stats. This allows trainers to identify Pokémon with the best possible stat distribution for their intended use, whether it's for raid battles, gym defense, or competitive PvP.
Who should use an IV Calculator?
- Competitive PvP Players: Crucial for finding Pokémon with low Attack and high Defense/Stamina for Great League and Ultra League, where CP caps are strict.
- Raid Enthusiasts: Identifying Pokémon with high IVs ensures maximum offensive power for taking down raid bosses efficiently.
- Collectors: Finding and saving Pokémon with perfect 15/15/15 IVs (often called "hundo" Pokémon) for bragging rights or eventual trading.
- New Trainers: To understand which Pokémon are worth investing Stardust and Candy in.
Common Misunderstandings:
- CP is everything: While CP is a good indicator, two Pokémon with the same species and level can have different CP due to IVs. High CP doesn't always mean high IVs.
- Perfect IVs are always best: This is true for PvE (raids, gyms), but for PvP, Pokémon often benefit from lower Attack IVs to stay under CP caps while maintaining good bulk (Defense/Stamina).
- IV appraisal is enough: The in-game appraisal gives a general range (e.g., 3 stars for high IVs). An IV calculator provides precise numbers (0-15), which is far more detailed.
Pokémon GO IV Formula and Explanation
The calculation of Pokémon GO IVs is complex, involving several formulas that estimate the base stats of a Pokémon, its current level, and its IVs to derive the observed CP and HP. The core idea is to reverse-engineer these stats.
The fundamental formula for calculating a Pokémon's Stat (Attack, Defense, or Stamina) is:
Stat = floor( (BaseStat + IV) * LevelMultiplier )
Where:
- BaseStat: The inherent Attack, Defense, or Stamina value of the Pokémon species.
- IV: The Individual Value (0-15) for that specific stat.
- LevelMultiplier: A value determined by the Pokémon's level, increasing as the level goes up. This is a crucial and somewhat complex factor.
The CP formula is a weighted sum of these calculated stats, including the Pokémon's **Stamina** (which is then modified by the Stamina IV to get the actual HP):
CP = floor( (BaseATK + ATK_IV) * LevelMultiplier * sqrt( (BaseDEF + DEF_IV) * LevelMultiplier * sqrt( (BaseSTA + STA_IV) * LevelMultiplier ) ) * 0.1 )
HP is calculated separately using the Stamina stat:
HP = floor( (BaseSTA + STA_IV) * LevelMultiplier )
The IV calculator works by taking the user's input (CP, HP, Level, Species) and iterating through all possible IV combinations (0-15 for each stat) and all possible levels within a range. For each combination, it recalculates the expected CP and HP. If the recalculated values match the user's input, that IV combination is considered a potential match.
Important Considerations:
- Leveling System: Pokémon GO uses "level caps" and "power-up dust" costs that increase incrementally. The calculator needs to account for these specific level breakpoints.
- Purified Pokémon: Purified Pokémon receive a +2 boost to all IVs and a level boost.
- Friendship Trades: Traded Pokémon have their IVs randomized within a certain range, depending on the friendship level.
- Wild vs. Raid/Egg Hatches: Pokémon caught in the wild at Level 20-25 have different level mechanics than those hatched from eggs or obtained from raids (usually Level 20).
Variables Table
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| CP | Combat Power | Unitless | 10 – 5000+ |
| HP | Hit Points | Points | 1 – 500+ |
| Level | Pokémon's current level | Level | 1 – 50 (or 51 with XL Candy boost) |
| Base ATK | Species' Attack stat | Stat Points | Variable by species |
| Base DEF | Species' Defense stat | Stat Points | Variable by species |
| Base STA | Species' Stamina stat | Stat Points | Variable by species |
| ATK IV | Individual Value for Attack | 0 – 15 | 0 – 15 |
| DEF IV | Individual Value for Defense | 0 – 15 | 0 – 15 |
| STA IV | Individual Value for Stamina | 0 – 15 | 0 – 15 |
Practical Examples
Example 1: Finding a Great League Star
You've caught a Machop with the following stats:
- CP: 450
- HP: 55
- Level: 13
- Evolution Stage: Base
- Purified: No
- Friendship: None
Using the calculator, you input these values. The results show a potential IV spread of 0 Attack / 15 Defense / 14 Stamina.
Result Interpretation: This Machop has fantastic bulk for Great League PvP (CP 1500 limit). Its low Attack IV allows it to reach a higher overall level while staying under the cap, maximizing its Defense and Stamina for longer battles.
Example 2: Identifying a Raid-Ready Pokémon
You've caught a Larvitar:
- CP: 1200
- HP: 85
- Level: 22
- Evolution Stage: Base
- Purified: No
- Friendship: None
Inputting these details into the calculator reveals a potential IV spread of 14 Attack / 13 Defense / 15 Stamina.
Result Interpretation: This Larvitar is a strong candidate for evolving into Tyranitar for raids. The high Attack and Stamina IVs will maximize its damage output and survivability, making it a valuable asset against raid bosses.
Example 3: A Purified Pokémon's Potential
You have a purified Shadow Beldum:
- CP: 800
- HP: 60
- Level: 15
- Evolution Stage: Base
- Purified: Yes
- Friendship: None
After selecting "Purified: Yes", the calculator estimates the IVs to be 7 Attack / 9 Defense / 8 Stamina.
Result Interpretation: The +2 IV boost from purification has slightly altered the potential base IVs. This Beldum has decent stats, but trainers might aim for higher IVs for a perfect Metagross, especially if they plan to use it in Master League PvP where stats are paramount.
How to Use This Pokémon GO IV Calculator
- Select Pokémon Species: Choose your Pokémon from the dropdown list. This is crucial as different species have vastly different base stats.
- Enter Current Level: Input the exact level of your Pokémon. You can usually find this by checking the power-up buttons and seeing the current Stardust/Candy cost, or by referring to community-made level charts. Buddy boost can take levels up to 25.
- Input CP and HP: Enter the current Combat Power (CP) and Hit Points (HP) displayed for your Pokémon.
- Choose Evolution Stage: Select whether it's the base form, Stage 1, or Stage 2.
- Indicate Purification: Check the "Is Purified?" box if you've purified a Shadow Pokémon. This adds +2 to all IVs and a level boost.
- Select Friendship Level (if traded): If the Pokémon was obtained via trade, select your friendship level. This influences the potential IV range. "None" assumes it wasn't traded or traded at zero friendship.
- Click "Calculate IVs": The calculator will process the inputs.
- Interpret Results: The calculator will display possible IV combinations (e.g., 15/15/15 for perfect IVs), the possible levels, and potentially a "best" IV spread for PvP or PvE if applicable. It also shows intermediate values like refined stats at the calculated level.
- Select Correct Units/Assumptions: For this calculator, units are generally inherent to Pokémon stats (CP, HP, Level). The primary "unit" consideration is whether the Pokémon is purified or traded.
- Use the Reset Button: If you need to start over or clear the fields, click the "Reset" button.
- Copy Results: Use the "Copy Results" button to easily share your findings or save them elsewhere.
Key Factors That Affect Pokémon GO IVs (and Calculations)
- Species Base Stats: Each Pokémon species has unique base Attack, Defense, and Stamina stats. A legendary Pokémon will have different potential maximums than a common Pidgey, regardless of IVs.
- Individual Values (IVs): The hidden 0-15 values for each stat. These are the core of what the calculator determines.
- Pokémon Level: The level of the Pokémon significantly impacts its stats and CP. Higher levels mean higher stats, up to the level cap. The calculator needs precise level information.
- Level Multiplier: A hidden value tied to the Pokémon's level, which scales its base stats and IVs. This is what the calculator must accurately estimate.
- Purification Bonus: Purified Pokémon get +2 to each IV and their level increases by 2. This must be accounted for to calculate the original Shadow IVs or the final purified stats accurately.
- Friendship Level (Trading): Traded Pokémon have their IVs randomized. Higher friendship levels (Great, Ultra, Best) increase the minimum IV floor (1/1/1 for most, 5/5/5 for Best Friends), affecting the possible outcomes.
- Buddy Adventure Level: When a Pokémon is your buddy and reaches certain levels (Great, Ultra, Best Buddy), it receives a +1 level boost (up to Level 51 with XL Candy). This is important for very high-level Pokémon.
- XL Candy Power-Ups: Beyond Level 40, Pokémon can be powered up to Level 50 (or 51 with Best Buddy boost) using XL Candy. This further increases the level multiplier and requires careful tracking.