Gen 7 Catch Rate Calculator

Calculate Your Gen 7 Pokémon Catch Rate

Common Ball Multipliers

Ball Type	Multiplier	Notes
Poké Ball	1.0x	Standard
Great Ball	1.5x
Ultra Ball	2.0x
Premier Ball	2.0x
Dive Ball	3.5x	4x underwater/if target is Water/Bug type
Net Ball	3.0x	3x if target is Bug/Water type, else 1x
Nest Ball	4.0x (at Lv 1), 3.0x (at Lv 10), 2.0x (at Lv 20), 1.0x (at Lv 30+)	Multiplier decreases with Pokémon’s level
Repeat Ball	3.0x	3x if Pokémon is already in Pokédex, else 1x
Timer Ball	Max 3.5x (at 30+ turns), 3.0x (at 20-29 turns), 2.0x (at 10-19 turns), 1.0x (at 0-9 turns)	Multiplier increases with battle turns
Luxury Ball	1.0x	Increases Happiness over time
Dusk Ball	3.5x	4x in caves or at night, else 1x
Heal Ball	1.0x	Fully restores HP and cures status
Quick Ball	5.0x	Only in the first turn of battle, else 1x
Friend Ball	1.0x	Starts Happiness at 200
Love Ball	4.0x	2x if Pokémon is different gender than yours, else 1x

Welcome to our advanced Gen 7 Catch Rate Calculator! This tool is designed for Pokémon trainers looking to maximize their chances of capturing Pokémon in Pokémon Sun, Moon, Ultra Sun, and Ultra Moon. Understanding the intricacies of the catch mechanics can significantly improve your shiny hunting, team building, and overall gameplay experience. Below, you’ll find not only a powerful calculator but also an in-depth guide to the Gen 7 catch rate formula, practical examples, and factors that influence your success.

What is Gen 7 Catch Rate?

In Generation 7 of the Pokémon games, the “catch rate” refers to the underlying statistical value that determines the probability of a wild Pokémon being captured when a Poké Ball is thrown. This is not a direct percentage displayed to the player but rather a complex calculation based on several in-game variables. The catch rate value, combined with the type of Poké Ball used and the Pokémon’s current status, dictates the chance of a successful capture. It’s a critical mechanic for any trainer aiming to reliably catch specific Pokémon, especially rare or powerful ones.

Who should use it:

• Shiny hunters aiming to capture elusive shiny Pokémon.
• Players building specific teams who need particular Pokémon.
• Trainers attempting to catch Pokémon with high base catch rates or difficult conditions.
• Anyone curious about the probability of catching a specific Pokémon in Gen 7.

Common misconceptions:

• Myth: Catching is purely luck-based. Reality: While RNG is involved, strategic manipulation of HP, status, and ball type significantly increases your odds.
• Myth: All Poké Balls are equally effective. Reality: Different balls offer different multipliers, making some far superior in specific situations.
• Myth: A Pokémon’s HP doesn’t matter if it’s low. Reality: Lower HP dramatically increases the catch rate, especially when combined with other factors.

Gen 7 Catch Rate Formula and Mathematical Explanation

The catch rate formula in Generation 7 is a multi-stage calculation. It begins by determining a base catch value, which is then modified by various factors before being translated into an approximate percentage.

The core formula for calculating the modified catch value (let’s call it ‘C’) is:

C = (((3 * MaxHP – 2 * CurrentHP) * CatchRateStat * BallMultiplier * StatusMultiplier) / (3 * MaxHP)) * LevelMultiplier

Let’s break down each variable:

Variables in the Gen 7 Catch Rate Formula

Variable	Meaning	Unit	Typical Range
MaxHP	The Pokémon’s maximum Hit Points.	HP Points	1 – 1000+ (varies greatly)
CurrentHP	The Pokémon’s current Hit Points. 0 if fainted.	HP Points	0 – MaxHP
CatchRateStat	The Pokémon’s inherent base catch rate, a stat defined in the game data.	Points (0-255)	0 – 255
BallMultiplier	A multiplier based on the type of Poké Ball used.	Decimal (e.g., 1.0, 1.5, 2.0, 3.5)	1.0 – 5.0 (Quick Ball)
StatusMultiplier	A multiplier based on the Pokémon’s status condition.	Decimal (e.g., 1.0, 1.5, 2.0, 2.5)	1.0 (None) – 2.5 (Burn/Poison/Paralysis)
LevelMultiplier	A multiplier adjusting for the Pokémon’s level. In Gen 7, this is primarily handled by the formula itself, but specific interactions with Nest/Timer/etc. balls are factored in here or within their multipliers. The general formula tends to implicitly account for level in its structure.	Decimal	Effectively 1.0 in the base calculation, modified by ball types.
C	The calculated modified catch value.	Points	Can exceed 255

Step-by-step derivation:

1. HP Factor Calculation: The term (3 * MaxHP - 2 * CurrentHP) determines how much the Pokémon’s remaining HP affects the catch rate. Lower HP results in a significantly higher value here.
2. Base Modification: This HP factor is multiplied by the Pokémon’s base CatchRateStat and the BallMultiplier and StatusMultiplier.
3. Normalization: The result is then divided by (3 * MaxHP) to normalize it relative to the Pokémon’s maximum HP.
4. Level Adjustment (Implicit/Ball Specific): While not a direct separate multiplier for all cases in Gen 7, the overall formula’s structure and specific ball types (like Nest Ball) incorporate level considerations. Some resources refer to a final ‘L’ value for level, but in practice, the core formula above, combined with specific ball mechanics, dictates the outcome. For simplicity, we consider the direct formula’s output as ‘C’.
5. Final Catch Percentage (Approximation): The value ‘C’ is then conceptually compared against the maximum possible value of 255. The approximate catch percentage is calculated as (C / 255) * 100%. The actual game mechanics involve a series of checks against this value, but this provides a good estimate.

Note: The Quick Ball has a powerful 5x multiplier, but only on the first turn. Timer Balls and Nest Balls have multipliers that change based on battle duration and the wild Pokémon’s level, respectively.

Practical Examples (Real-World Use Cases)

Example 1: Catching a Shiny Gible (Gen 7)

You encounter a wild Lv. 20 Shiny Gible in the Ancient Stone Saloon (Ultra Moon). Its base catch rate is 45. It’s at full HP (Max HP: 60, Current HP: 60), and has no status condition. You want to use an Ultra Ball.

• Inputs:
• Current HP: 60
• Max HP: 60
• Status Condition: None (Multiplier = 1.0)
• Ball Type: Ultra Ball (Multiplier = 2.0)
• Base Catch Rate: 45
• Level: 20

Calculation:

• HP Factor: (3 * 60 - 2 * 60) = (180 - 120) = 60
• Modified Catch Value (C): (((60 * 45 * 2.0 * 1.0) / (3 * 60)) = (5400 / 180) = 30
• Approximate Catch Percentage: (30 / 255) * 100% = 11.76%

Interpretation: With these conditions, you have about an 11.76% chance to catch the Shiny Gible. This is a decent rate, but still requires some attempts. If Gible had a status condition or lower HP, this percentage would significantly increase.

Example 2: Catching a Difficult Pokémon (Tapu Koko)

You’re trying to catch Tapu Koko (Lv. 60, Base Catch Rate: 3) after defeating it in the story (Ultra Sun). Its Max HP is 170. You’ve managed to get its HP down to 30 and paralyzed it. You’re using a Dusk Ball at night.

• Inputs:
• Current HP: 30
• Max HP: 170
• Status Condition: Paralysis (Multiplier = 1.5)
• Ball Type: Dusk Ball (Multiplier = 4.0 at night)
• Base Catch Rate: 3
• Level: 60

Calculation:

• HP Factor: (3 * 170 - 2 * 30) = (510 - 60) = 450
• Modified Catch Value (C): (((450 * 3 * 4.0 * 1.5) / (3 * 170)) = (8100 / 510) = 15.88 (approx)
• Approximate Catch Percentage: (15.88 / 255) * 100% = 6.23%

Interpretation: Even with favorable conditions (low HP, paralysis, Dusk Ball at night), Tapu Koko’s extremely low base catch rate of 3 makes it very difficult to catch. The calculated chance is only about 6.23%. This highlights how the base catch rate is a fundamental limitation. Using a Quick Ball on the first turn (5x multiplier) would significantly improve this, but it’s only available at the start.

How to Use This Gen 7 Catch Rate Calculator

Using our calculator is straightforward. Follow these steps to get your estimated catch rate:

1. Enter Pokémon Details: Input the Pokémon’s Current HP and Max HP. Remember, 0 HP means fainted, which affects the calculation.
2. Select Status Condition: Choose the appropriate status effect (None, Sleep/Freeze, or Burn/Poison/Paralysis) from the dropdown.
3. Choose Ball Type: Select the Poké Ball you intend to use. The calculator automatically applies the correct multiplier based on Gen 7 mechanics. Note that some balls (like Nest, Timer, Dusk, Dive) have conditional multipliers that the calculator assumes are met (e.g., Dusk Ball at night).
4. Input Base Catch Rate and Level: Enter the wild Pokémon’s inherent Base Catch Rate (found in various online Pokémon databases) and its current Level.
5. Click Calculate: Press the “Calculate Catch Rate” button.

How to read results:

• Primary Result: This is the estimated percentage chance you have of successfully catching the Pokémon under the specified conditions.
• Intermediate Values: These show the calculated factors for HP, Status, Ball, and Level/Rate, giving you insight into how each element contributes to the final outcome.
• Formula Explanation: Provides a clear breakdown of the math behind the calculation.

Decision-making guidance: Use the results to decide if you need to adjust your strategy. If the catch rate is low, consider using a different ball, weakening the Pokémon further, or inflicting a more beneficial status condition. For legendary Pokémon with very low base catch rates, expect low percentages even under optimal circumstances.

Key Factors That Affect Gen 7 Catch Rate Results

Several elements combine to determine your final catch percentage. Understanding these can help you optimize your capture attempts:

1. Base Catch Rate: This is the most fundamental stat of a Pokémon, defining its inherent difficulty to catch. Legendaries and Mythicals typically have the lowest base catch rates (e.g., 3), while common Pokémon have much higher rates (e.g., 190-255).
2. Current HP: The lower the Pokémon’s current HP, the higher the catch rate. Reducing HP significantly, especially down to 1 HP, provides a substantial boost.
3. Status Conditions: Inflicting Sleep or Freeze offers the highest bonus (2.5x modifier in Gen 7), followed by Burn, Poison, or Paralysis (1.5x modifier). These status effects are crucial for difficult captures.
4. Ball Type Multiplier: As seen in our table and calculator, different balls offer varying advantages. Quick Balls (5x) are excellent for the first turn, while Dusk Balls (4x at night/caves) and Timer Balls (up to 3.5x after many turns) provide situational boosts. Nest Balls (up to 4x) are best for low-level targets.
5. Level (via Ball Mechanics): While not always a direct multiplier in the core formula, certain balls like the Nest Ball are specifically designed to be more effective against lower-level Pokémon. This ensures that catching a Lv. 100 Pokémon requires different strategies than catching a Lv. 10 one.
6. Specific Ball Conditions: Many advanced balls have specific trigger conditions. For example, Repeat Balls are only effective if the Pokémon is already registered in your Pokédex, and Love Balls are more effective if the wild Pokémon is a different gender than your lead Pokémon. Our calculator assumes these conditions are met when you select the ball.

Frequently Asked Questions (FAQ)

Q1: How accurate is the Gen 7 catch rate calculator?

A1: This calculator provides an excellent approximation of your catch probability based on the known formula. The actual capture involves several hidden rolls, but the calculated percentage is a highly reliable indicator of your chances.

Q2: Does the Pokémon’s level matter significantly?

A2: Directly, the level itself isn’t a massive factor in the core formula as it was in some older generations. However, certain specialized balls like the Nest Ball have multipliers that *depend* on the Pokémon’s level, making level a crucial consideration when choosing a ball.

Q3: What’s the best status condition for catching?

A3: Sleep or Freeze provides the highest multiplier (2.5x) in Gen 7, making them the most beneficial status conditions for increasing your catch rate.

Q4: When is the Quick Ball most effective?

A4: The Quick Ball has a massive 5x multiplier, but it *only* applies during the first turn of the battle. After the first turn, its multiplier drops to 1x, making it less useful.

Q5: Can I catch Pokémon with a base catch rate of 3?

A5: Yes, but it’s very difficult. Legendary Pokémon like the Tapus or the Ultra Beasts have very low base catch rates. You’ll need to combine low HP, beneficial status conditions, and the best possible ball multipliers to achieve even a small percentage chance.

Q6: What happens if I use a ball whose condition isn’t met (e.g., Dusk Ball during the day)?

A6: If the specific condition for a ball isn’t met (like using a Dusk Ball during the day), its multiplier reverts to 1x (or its base effective multiplier), significantly reducing its effectiveness. Always check the conditions!

Q7: Is there a way to guarantee a catch?

A7: No, there is no guaranteed catch method in the standard gameplay of Gen 7 (aside from specific story events or Master Balls). The calculator helps maximize your chances, but luck remains a factor.

Q8: How do I find a Pokémon’s base catch rate?

A8: Base catch rates are game data specific to each Pokémon species. You can find reliable lists on reputable fan sites like Serebii.net, Bulbapedia, or Smogon University.

Related Tools and Internal Resources

Explore more Pokémon resources and tools to enhance your training journey:

• Gen 7 Catch Rate Calculator: Instantly calculate your chances.
• Gen 7 IV Calculator: Determine your Pokémon’s Individual Values.
• Ultimate Pokémon Training Guide: Tips for EV training and leveling.
• Shiny Hunting Strategies: Learn advanced techniques.
• Alola Pokédex Locations: Find where to encounter Pokémon.
• Battle Simulator: Test team compositions and strategies.