Catch Rate Calculator Pokemon

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Pokémon Catch Rate Calculator

None Sleep/Freeze Poison/Burn/Paralysis
Poké Ball Great Ball Ultra Ball Premier Ball Net Ball Dive Ball Nest Ball Repeat Ball Timer Ball (high stages) Luxury Ball Master Ball

Understanding Pokémon Catch Rates

Catching Pokémon is a fundamental mechanic in the Pokémon franchise. The success of a Poké Ball throw depends on a variety of factors, all contributing to the Pokémon's catch rate. This calculator helps you understand the probability of catching a specific Pokémon under different circumstances.

Key Factors Influencing Catch Rate:

Pokémon's HP: The lower the Pokémon's current HP, the higher the chance of a successful catch. A weakened Pokémon is easier to capture.

Status Effects: Certain status conditions, like Sleep or Paralysis, significantly increase the catch rate. These conditions not only hinder the Pokémon in battle but also make it more susceptible to capture.

Ball Type: Different Poké Balls have varying multipliers that affect the catch rate. While a standard Poké Ball has a multiplier of 1.0, specialized balls like the Ultra Ball or Premier Ball offer increased chances.

Level Difference: The level of the Pokémon you are using to battle (your Pokémon) and the target Pokémon's level play a role. Generally, having a higher-level Pokémon might indirectly influence battle outcomes that lead to better catch opportunities, though the direct calculation here focuses on the target Pokémon's base stats and the encounter conditions.

How the Catch Rate is Calculated (Simplified):

The core of the catch rate calculation involves several variables:

  • A: The base catch rate of the Pokémon species (this is a hidden value for each Pokémon).
  • B: The maximum HP of the target Pokémon.
  • C: The current HP of the target Pokémon.
  • D: The status multiplier (0 for none, 1 for Sleep/Freeze, 2 for Poison/Burn/Paralysis).
  • E: The ball type multiplier.
  • F: A value derived from the level difference (often a penalty if your Pokémon is lower level). For simplicity in this calculator, we'll assume a common scenario or ask for direct level inputs.

A simplified formula often looks something like:


    Catch Rate Modifier = (( (3 * MaxHP - 2 * CurrentHP) * BaseCatchRate * BallMultiplier * StatusMultiplier ) / (3 * MaxHP)) * LevelModifier

This modifier is then used in a series of random number checks to determine if the ball successfully shakes and catches the Pokémon. A higher modifier significantly increases the odds.

Using the Calculator:

Enter the relevant details for the Pokémon you are trying to catch:

  • Pokémon HP: The target Pokémon's maximum Hit Points.
  • Current HP: The target Pokémon's current Hit Points (lower is better!).
  • Status Effect: Select if the Pokémon is asleep, frozen, poisoned, burned, or paralyzed.
  • Ball Type: Choose the Poké Ball you are using.
  • Your Pokémon's Level: The level of the Pokémon you are using in battle.
  • Target Pokémon's Level: The level of the Pokémon you are trying to catch.

Click "Calculate Catch Rate" to see an estimated probability.

Example:

Let's say you're trying to catch a Pikachu with:

  • Maximum HP: 35
  • Current HP: 5 (significantly weakened)
  • Status Effect: None
  • Ball Type: Great Ball (multiplier 1.5)
  • Your Pokémon's Level: 50
  • Target Pokémon's Level: 48

Inputting these values into the calculator will give you an estimated probability of catching that Pikachu with a Great Ball.

function calculateCatchRate() { var maxHP = parseFloat(document.getElementById("pokemonHP").value); var currentHP = parseFloat(document.getElementById("currentHP").value); var status = parseInt(document.getElementById("statusEffect").value); var ballMultiplier = parseFloat(document.getElementById("ballType").value); var yourLevel = parseFloat(document.getElementById("level").value); var targetLevel = parseFloat(document.getElementById("pokemonLevel").value); // Basic validation if (isNaN(maxHP) || maxHP <= 0 || isNaN(currentHP) || currentHP maxHP || isNaN(status) || isNaN(ballMultiplier) || isNaN(yourLevel) || yourLevel <= 0 || isNaN(targetLevel) || targetLevel <= 0) { document.getElementById("result").innerHTML = "Please enter valid positive numbers for all fields."; return; } // For this simplified calculator, we'll use a placeholder base catch rate and focus on the modifiers. // A real-world calculator would need a database of base catch rates for each Pokémon. // We'll simulate a base catch rate of 50 for demonstration. var baseCatchRate = 50; // Placeholder for a typical Pokémon base catch rate // Calculate modifier components var hpModifier = (3 * maxHP – 2 * currentHP) / (3 * maxHP); var statusMultiplier = 1; if (status === 1) { // Sleep/Freeze statusMultiplier = 2; } else if (status === 2) { // Poison/Burn/Paralysis statusMultiplier = 1.5; } // Simplified level difference modifier. In reality, this is more complex. // For this example, we'll assume a penalty if your level is lower. var levelModifier = 1.0; if (yourLevel targetLevel + 5) { levelModifier = 1.2; // Example bonus } // Calculate the overall catch probability multiplier // This formula is a simplification for demonstration. Actual game mechanics are more complex. var catchModifier = hpModifier * baseCatchRate * ballMultiplier * statusMultiplier * levelModifier; // To get a percentage, we need to relate this modifier to the ball shaking mechanics. // A common formula structure involves comparing this modifier to a random number. // For a percentage, we'll scale the modifier into a plausible range. // This is a rough estimation as the exact calculation involves shake counts. var estimatedPercentage = Math.min(99.9, (catchModifier / 255) * 100); // Capping at 99.9% if (estimatedPercentage < 0) estimatedPercentage = 0; // Ensure no negative percentage document.getElementById("result").innerHTML = "Estimated Catch Probability: " + estimatedPercentage.toFixed(2) + "%"; }

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