Pokémon Purifying Calculator – Optimize Your Shadow Pokémon | [Your Site Name]


Pokémon Purifying Calculator

Pokémon Purifying Calculator

Use this Pokémon Purifying Calculator to evaluate the benefits and costs of purifying your Shadow Pokémon in Pokémon GO. Understand the IV boost and resource expenditure to make the best decision for your team!




Enter the current Attack IV of your Shadow Pokémon.



Enter the current Defense IV of your Shadow Pokémon.



Enter the current HP IV of your Shadow Pokémon.


Select the Stardust cost required for purification. This varies by Pokémon.


Select the Candy cost required for purification. This varies by Pokémon.


Purification Results

Purified IV %:
New Attack IV:
New Defense IV:
New HP IV:
Total IV Boost: points
Stardust Cost:
Candy Cost:

Formula Explanation: Purifying a Shadow Pokémon increases each of its Individual Values (Attack, Defense, HP) by 2 points, up to a maximum of 15. The Purified IV Percentage is calculated as (Total Purified IVs / 45) * 100.

Shadow IV
Purified IV

IV Distribution Before and After Purification

Common Purification Costs by Pokémon Tier
Pokémon Tier Stardust Cost Candy Cost Example Pokémon
Common 1,000 1 Rattata, Zubat, Weedle
Uncommon 3,000 3 Snorlax, Scyther, Electabuzz
Rare 5,000 5 Tyranitar, Dragonite, Metagross
Legendary/Mythical 20,000 20 Mewtwo, Raikou, Articuno

What is a Pokémon Purifying Calculator?

A Pokémon Purifying Calculator is an essential tool for trainers in games like Pokémon GO who deal with Shadow Pokémon. It helps you understand the immediate benefits and costs associated with purifying a Shadow Pokémon. When you purify a Shadow Pokémon, it undergoes a transformation, gaining significant stat boosts and becoming “purified.” This process has specific resource costs (Stardust and Candy) and impacts the Pokémon’s Individual Values (IVs), which are hidden stats that determine a Pokémon’s strength.

Who should use it: Any Pokémon GO trainer who catches Shadow Pokémon from Team GO Rocket. This includes competitive players looking to optimize their Pokémon’s stats, casual players wondering if a specific Shadow Pokémon is worth the investment, and resource-conscious trainers planning their Stardust and Candy usage. The Pokémon Purifying Calculator is particularly useful for deciding whether to keep a Shadow Pokémon as is (for its attack bonus) or purify it for IV boosts and reduced power-up costs.

Common misconceptions: Many trainers believe purifying always makes a Pokémon stronger. While it boosts IVs, Shadow Pokémon inherently deal 20% more damage but take 20% more damage. A purified Pokémon loses this damage bonus but gains IVs and reduced power-up costs. The “best” choice often depends on the Pokémon and its intended use (e.g., Raids vs. PvP). Another misconception is that purification is free; it always costs Stardust and Candy, which this Pokémon Purifying Calculator helps you track.

Pokémon Purifying Calculator Formula and Mathematical Explanation

The core of the Pokémon Purifying Calculator lies in understanding how Individual Values (IVs) are affected by the purification process and the associated resource costs. In Pokémon GO, each Pokémon has three IVs: Attack, Defense, and HP, ranging from 0 to 15. When a Shadow Pokémon is purified, each of these IVs receives a flat +2 boost, up to a maximum of 15.

Step-by-step Derivation:

  1. Identify Current Shadow IVs: Determine the current Attack, Defense, and HP IVs of your Shadow Pokémon. These can be found using the in-game appraisal system.
  2. Calculate Purified IVs: For each stat (Attack, Defense, HP), add 2 to its current Shadow IV. If the result exceeds 15, cap it at 15.
    • Purified Attack IV = MIN(15, Shadow Attack IV + 2)
    • Purified Defense IV = MIN(15, Shadow Defense IV + 2)
    • Purified HP IV = MIN(15, Shadow HP IV + 2)
  3. Calculate Total IVs: Sum the three purified IVs to get the total purified IVs.
    • Total Purified IVs = Purified Attack IV + Purified Defense IV + Purified HP IV
  4. Calculate IV Percentage: The maximum possible total IVs for any Pokémon is 45 (15 Attack + 15 Defense + 15 HP). The IV percentage is calculated by dividing the total purified IVs by 45 and multiplying by 100.
    • Purified IV Percentage = (Total Purified IVs / 45) * 100
  5. Determine Purification Costs: The Stardust and Candy costs are fixed values based on the Pokémon’s species and are not calculated but rather looked up. This Pokémon Purifying Calculator allows you to input these known costs.

Variable Explanations:

Key Variables for Pokémon Purifying Calculator
Variable Meaning Unit Typical Range
Shadow Attack IV Individual Value for Attack stat of the Shadow Pokémon. Points 0 – 15
Shadow Defense IV Individual Value for Defense stat of the Shadow Pokémon. Points 0 – 15
Shadow HP IV Individual Value for HP stat of the Shadow Pokémon. Points 0 – 15
Purify Stardust Cost Amount of Stardust required to purify the Pokémon. Stardust 1,000 – 20,000
Purify Candy Cost Amount of species-specific Candy required to purify the Pokémon. Candy 1 – 20
Purified IV Percentage Overall strength of the Pokémon’s IVs after purification. % 0% – 100%

Practical Examples (Real-World Use Cases)

Let’s walk through a couple of examples using the Pokémon Purifying Calculator to illustrate its utility.

Example 1: Boosting a Decent Shadow Pokémon

Imagine you caught a Shadow Machop with the following IVs: Attack 10, Defense 7, HP 9. The purification cost for Machop is typically 1,000 Stardust and 1 Candy.

  • Inputs:
    • Shadow Attack IV: 10
    • Shadow Defense IV: 7
    • Shadow HP IV: 9
    • Stardust Cost: 1,000
    • Candy Cost: 1
  • Calculations (by the Pokémon Purifying Calculator):
    • Purified Attack IV: MIN(15, 10 + 2) = 12
    • Purified Defense IV: MIN(15, 7 + 2) = 9
    • Purified HP IV: MIN(15, 9 + 2) = 11
    • Total Purified IVs: 12 + 9 + 11 = 32
    • Purified IV Percentage: (32 / 45) * 100 = 71.11%
    • Total IV Boost: (12+9+11) – (10+7+9) = 32 – 26 = 6 points
  • Outputs:
    • Purified IV %: 71.11%
    • New Attack IV: 12, New Defense IV: 9, New HP IV: 11
    • Total IV Boost: 6 points
    • Stardust Cost: 1,000, Candy Cost: 1

Interpretation: For a minimal cost, this Machop gets a decent IV boost, making it a more solid contender for evolution into Machamp. While it loses the Shadow bonus, a 71% IV Machamp is still very usable, especially if you’re short on high-IV Machop.

Example 2: Perfecting a Near-Perfect Shadow Pokémon

You’ve caught a rare Shadow Dratini with IVs: Attack 13, Defense 14, HP 13. The purification cost for Dratini is typically 5,000 Stardust and 5 Candy.

  • Inputs:
    • Shadow Attack IV: 13
    • Shadow Defense IV: 14
    • Shadow HP IV: 13
    • Stardust Cost: 5,000
    • Candy Cost: 5
  • Calculations (by the Pokémon Purifying Calculator):
    • Purified Attack IV: MIN(15, 13 + 2) = 15
    • Purified Defense IV: MIN(15, 14 + 2) = 15 (capped at 15)
    • Purified HP IV: MIN(15, 13 + 2) = 15
    • Total Purified IVs: 15 + 15 + 15 = 45
    • Purified IV Percentage: (45 / 45) * 100 = 100%
    • Total IV Boost: (15+15+15) – (13+14+13) = 45 – 40 = 5 points
  • Outputs:
    • Purified IV %: 100% (a “hundo”!)
    • New Attack IV: 15, New Defense IV: 15, New HP IV: 15
    • Total IV Boost: 5 points
    • Stardust Cost: 5,000, Candy Cost: 5

Interpretation: This is a prime candidate for purification! For a moderate cost, you transform a high-IV Shadow Dratini into a perfect 100% IV Dragonite. While the Shadow Dragonite would have higher raw damage output, a perfect purified Dragonite is excellent for general use, Master League PvP (where IVs are crucial), and bragging rights. This Pokémon Purifying Calculator clearly shows the path to perfection.

How to Use This Pokémon Purifying Calculator

Our Pokémon Purifying Calculator is designed for ease of use, helping you quickly assess the impact of purifying your Shadow Pokémon.

Step-by-step Instructions:

  1. Locate Your Shadow Pokémon: Open Pokémon GO and find the Shadow Pokémon you are considering purifying.
  2. Appraise Its IVs: Use the in-game appraisal system to determine its current Attack, Defense, and HP IVs. These are numbers between 0 and 15.
  3. Input Shadow IVs: In the calculator, enter these three IVs into the “Shadow Pokémon Attack IV,” “Shadow Pokémon Defense IV,” and “Shadow Pokémon HP IV” fields.
  4. Determine Purification Costs: Check the purification cost displayed in Pokémon GO for that specific Pokémon. This will be a certain amount of Stardust and Candy.
  5. Select Costs: Choose the corresponding Stardust and Candy costs from the dropdown menus in the calculator.
  6. Calculate: The results will update in real-time as you input values. If not, click the “Calculate Purification” button.
  7. Review Results: Examine the “Purification Results” section for the new IVs, total IV percentage, and the costs.
  8. Reset (Optional): If you want to calculate for another Pokémon, click the “Reset” button to clear all fields to their default values.
  9. Copy Results (Optional): Click “Copy Results” to save the output to your clipboard for sharing or record-keeping.

How to Read Results:

  • Purified IV %: This is the primary indicator of your Pokémon’s overall IV strength after purification. A higher percentage means better IVs. 100% is perfect.
  • New Attack/Defense/HP IV: These show the exact IVs for each stat after the +2 boost.
  • Total IV Boost: This number indicates how many total IV points were gained across all three stats.
  • Stardust Cost & Candy Cost: These confirm the resources you’ll spend.

Decision-Making Guidance:

The Pokémon Purifying Calculator helps you decide if purification is worthwhile. Consider:

  • IV Floor: Shadow Pokémon have an IV floor of 0/0/0. Purified Pokémon have an IV floor of 2/2/2 (since even a 0 IV becomes 2).
  • Perfect IVs: If a Shadow Pokémon has 13/13/13 or higher IVs, purifying it will result in a 100% IV Pokémon. This is often a strong reason to purify.
  • Resource Scarcity: If you’re low on Stardust or Candy, consider if the IV boost is significant enough for the cost.
  • Battle Strategy: Shadow Pokémon deal more damage, making them superior in many PvE (Raid/Gym) scenarios. Purified Pokémon are often better for PvP Master League due to higher IVs and lower power-up costs, or for Mega Evolutions (as Shadow Pokémon cannot Mega Evolve).

Key Factors That Affect Pokémon Purifying Calculator Results

While the Pokémon Purifying Calculator provides clear numerical outputs, several underlying factors influence the strategic decision of whether or not to purify a Shadow Pokémon.

  • Original Shadow IVs: This is the most critical factor. A Shadow Pokémon with low IVs (e.g., 0/0/0) will become a 2/2/2 purified Pokémon, which is still relatively weak. A Shadow Pokémon with high IVs (e.g., 13/13/13) will become a perfect 15/15/15 purified Pokémon, a highly desirable outcome. The higher the initial IVs, the more likely purification leads to a top-tier Pokémon.
  • Purification Costs (Stardust & Candy): These resources are finite and valuable. Legendary Shadow Pokémon, for instance, cost 20,000 Stardust and 20 Candy to purify. This is a significant investment. The Pokémon Purifying Calculator highlights these costs, allowing trainers to weigh them against the IV benefits.
  • Pokémon Species and Utility: Some Pokémon benefit more from being Shadow (e.g., high Attack stat attackers like Machamp, Tyranitar for Raids), while others might be better purified for specific PvP leagues (e.g., Master League where 100% IVs are often preferred) or for Mega Evolution.
  • Shadow Bonus vs. Purified Benefits: Shadow Pokémon gain a 20% attack boost but also take 20% more damage. Purified Pokémon lose this bonus but gain +2 IVs to all stats, a discounted power-up cost (10% less Stardust and Candy), and can learn the charged attack Return. Deciding between the raw power of a Shadow and the efficiency/IVs of a Purified Pokémon is a constant strategic choice.
  • Trainer’s Stardust and Candy Reserves: A trainer with abundant resources might purify more freely, especially for a chance at a perfect IV Pokémon. Trainers with limited resources need to be more selective, using the Pokémon Purifying Calculator to ensure their investment yields the best return.
  • Availability of Better Alternatives: If you already have a perfect non-Shadow version of a Pokémon, or a much stronger Shadow version, the incentive to purify a mediocre Shadow Pokémon decreases. The calculator helps compare potential purified stats against existing Pokémon.

Frequently Asked Questions (FAQ) about the Pokémon Purifying Calculator

Q: What exactly does purifying a Shadow Pokémon do?
A: Purifying a Shadow Pokémon increases each of its Individual Values (Attack, Defense, HP) by 2 points (up to a maximum of 15), changes its charged attack to Return, reduces its power-up and evolution costs by 10%, and allows it to Mega Evolve (if applicable). Our Pokémon Purifying Calculator focuses on the IV boost and resource costs.
Q: Is it always better to purify a Shadow Pokémon?
A: Not always. Shadow Pokémon deal 20% more damage but also take 20% more damage. For many raid attackers, the raw damage output of a Shadow Pokémon (even with lower IVs) can outperform a purified one. The Pokémon Purifying Calculator helps you see the IV benefits, but the damage bonus is a separate consideration.
Q: How do I know the purification cost for my Pokémon?
A: The purification cost (Stardust and Candy) is displayed in-game on the Pokémon’s summary screen when you select the “Purify” option. You then input these values into the Pokémon Purifying Calculator.
Q: Can a purified Pokémon become a 100% IV Pokémon?
A: Yes! If your Shadow Pokémon has at least 13 IVs in Attack, Defense, and HP (e.g., 13/13/13, 14/13/13, etc.), purifying it will result in a 15/15/15 (100% IV) Pokémon. The Pokémon Purifying Calculator will show you this outcome.
Q: What is the lowest possible IV for a purified Pokémon?
A: Since Shadow Pokémon have an IV floor of 0, purifying a 0/0/0 Shadow Pokémon will result in a 2/2/2 purified Pokémon. This is the lowest possible IV spread for a purified Pokémon.
Q: Does purifying affect a Pokémon’s level?
A: Yes, purifying a Shadow Pokémon instantly boosts its level to 25. This can save Stardust and Candy on power-ups if the Pokémon was below level 25. The Pokémon Purifying Calculator doesn’t directly show this level boost but factors into the overall value proposition.
Q: Why would I use a Pokémon Purifying Calculator instead of just checking in-game?
A: While the game shows the IVs after purification, this calculator provides a clear percentage, total IV boost, and allows you to quickly compare scenarios without committing resources. It’s a planning tool to help you make informed decisions about your valuable Stardust and Candy.
Q: Can I reverse purification?
A: No, once a Pokémon is purified, the process cannot be reversed. This makes using a Pokémon Purifying Calculator even more important for making the right choice the first time.

Related Tools and Internal Resources

Enhance your Pokémon GO strategy with these other helpful tools and guides:

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