Select the primary type of the Pokémon being attacked.
Select the secondary type if applicable.
Matchup Effectiveness
Effectiveness—
Damage Multiplier—
Primary Type Effect—
Secondary Type Effect—
Explanation will appear here after calculation.
Type Effectiveness Chart
Attacking Type
vs. Normal
vs. Fire
vs. Water
vs. Grass
vs. Electric
vs. Ice
vs. Fighting
vs. Poison
vs. Ground
vs. Flying
vs. Psychic
vs. Bug
vs. Rock
vs. Ghost
vs. Dragon
vs. Steel
vs. Dark
vs. Fairy
Distribution of Effectiveness for moves.
What is a Pokémon Type Coverage Calculator?
A Pokémon Type Coverage Calculator is a tool designed to help players understand the effectiveness of attacks in the Pokémon games. Every Pokémon and every move in the franchise has one or two types. These types interact in specific ways when an attack of one type hits a Pokémon of another type. This calculator helps you determine if an attack will be super effective (dealing double damage), not very effective (dealing half damage), immune (dealing no damage), or normally effective (dealing standard damage).
Understanding type coverage is crucial for building effective battle teams, strategizing in battles, and overcoming challenging opponents. It allows players to exploit weaknesses and resist incoming attacks, turning the tide of a battle. This tool is invaluable for both competitive battlers and casual players looking to deepen their understanding of Pokémon mechanics.
Who Should Use This Calculator?
Competitive Pokémon Players: Essential for team building, predicting opponent moves, and choosing the right attacking Pokémon for a given situation.
New Players: A great way to learn the intricacies of type matchups without needing to memorize all the combinations.
Players Facing Difficult Trainers: Helps identify the best Pokémon and moves to counter specific boss Pokémon or gym leaders.
Content Creators & Analysts: Useful for illustrating type mechanics in videos or articles.
Common Misunderstandings
One common area of confusion is how dual typings affect damage. When a Pokémon has two types, the damage multiplier is calculated by considering the effectiveness against *each* type individually and then multiplying those modifiers. For instance, a Ground-type move hitting a Flying/Rock-type Pokémon will be super effective against Flying (2x) and not very effective against Rock (0.5x), resulting in a final multiplier of 2 * 0.5 = 1x (normal effectiveness).
Another point is the difference between a Pokémon's *defensive* typing (what resists attacks) and an attacking Pokémon's *offensive* typing (what types its moves are strong against). This calculator focuses on the offensive side: "What happens when Type A attacks Type B?".
Pokémon Type Coverage Formula and Explanation
The core of Pokémon type effectiveness is a simple multiplication of damage modifiers based on type matchups. The final damage multiplier is the product of the modifiers for each of the defending Pokémon's types.
Formula:
Final Multiplier = (Attacking Type vs. Primary Defending Type) * (Attacking Type vs. Secondary Defending Type)
Contributes to the final damage calculation. If 'None', it effectively multiplies by 1.
Final Multiplier
The calculated damage modifier.
Number
0, 0.25, 0.5, 1, 2, 4
Determines the damage dealt (e.g., 2x damage, 0.5x damage).
Practical Examples
Example 1: Fire-type move vs. Grass/Flying Pokémon
Inputs:
Attacking Type: Fire
Primary Defending Type: Grass
Secondary Defending Type: Flying
Calculation:
Fire vs. Grass: Super Effective (2x)
Fire vs. Flying: Normally Effective (1x)
Final Multiplier = 2 * 1 = 2
Results:
Effectiveness: Super Effective
Damage Multiplier: 2x
Explanation: The Fire-type move is super effective against the Grass-type, and normally effective against the Flying-type, resulting in double damage overall.
Example 2: Electric-type move vs. Water/Ground Pokémon
Inputs:
Attacking Type: Electric
Primary Defending Type: Water
Secondary Defending Type: Ground
Calculation:
Electric vs. Water: Super Effective (2x)
Electric vs. Ground: Ineffective (Immune, 0x)
Final Multiplier = 2 * 0 = 0
Results:
Effectiveness: Immune
Damage Multiplier: 0x
Explanation: While Electric is super effective against Water, it has no effect on Ground-type Pokémon. Therefore, the move deals no damage. This is a classic example of an Electric-type move being useless against a Water/Ground type like a Whiscash or Quagsire.
Example 3: Ice-type move vs. Dragon/Flying Pokémon
Inputs:
Attacking Type: Ice
Primary Defending Type: Dragon
Secondary Defending Type: Flying
Calculation:
Ice vs. Dragon: Super Effective (2x)
Ice vs. Flying: Normally Effective (1x)
Final Multiplier = 2 * 1 = 2
Results:
Effectiveness: Super Effective
Damage Multiplier: 2x
Explanation: The Ice-type move is super effective against the Dragon-type and normally effective against the Flying-type, resulting in double damage. This matchup is famously known for its effectiveness against many Dragon-type Pokémon like Dragonite or Salamence.
How to Use This Pokémon Type Coverage Calculator
Using this calculator is straightforward:
Select Attacking Type: Choose the type of the move you intend to use from the first dropdown menu.
Select Primary Defending Type: Choose the first type of the Pokémon you are attacking from the second dropdown menu.
Select Secondary Defending Type (Optional): If the defending Pokémon has a second type, select it from the third dropdown. If it only has one type, leave this as "None".
Click Calculate: The tool will instantly display the effectiveness, the damage multiplier, and a brief explanation of the matchup.
Interpret Results:
Super Effective (2x or 4x): Your move deals significantly more damage. Aim for these!
Normally Effective (1x): Standard damage.
Not Very Effective (0.5x or 0.25x): Your move deals less damage. Avoid these if possible.
Immune (0x): Your move deals no damage. This is a critical weakness to be aware of.
Explore the Chart: The table below provides a comprehensive overview of how your chosen attacking type performs against all other types, including dual-type interactions.
Use the Reset Button: Click "Reset" to clear all selections and start over.
The optional secondary type dropdown is key for accurate calculations on dual-type Pokémon. Remember that effectiveness is determined by multiplying the modifiers for each type.
Key Factors That Affect Pokémon Type Coverage
Several factors influence the effectiveness of attacks in Pokémon battles:
Dual-Type Pokémon: As discussed, having two types means the effectiveness against each type is multiplied, leading to outcomes like 4x, 2x, 1x, 0.5x, 0.25x, or 0x damage. This is the most significant factor in complex matchups.
STAB (Same-Type Attack Bonus): While not directly calculated here, STAB provides a 50% damage boost when a Pokémon uses a move that matches one of its own types. This interacts *after* type effectiveness. A super-effective move with STAB can be devastating.
Abilities: Certain Pokémon abilities can alter type effectiveness. For example, Levitate makes a Pokémon immune to Ground-type moves, overriding the normal type chart. Wonder Guard (on Shedinja) makes it only vulnerable to super-effective attacks.
Items: Items like Expert Belt can boost the damage of super-effective moves, while defensive items might reduce incoming damage. Some items like Plates or Z-Crystals can change a move's type.
Status Conditions: While not affecting type effectiveness directly, status conditions like Paralysis or Burn can reduce a Pokémon's ability to attack or deal damage, indirectly impacting battle outcomes.
Weather Effects: Certain weather conditions boost or weaken specific types. For instance, a Water-type move deals more damage in Rain, while a Fire-type move deals less. Solar Beam becomes a one-turn move in harsh sunlight.
Terastallization (Gen 9+): This mechanic allows a Pokémon to change its type upon activation, drastically altering its defensive and offensive matchups. A Pokémon might become Tera Fire to resist Water attacks, for example.
FAQ
Q: What is the most effective attacking type in Pokémon? A: There isn't a single "most effective" type, as effectiveness is entirely dependent on the opponent's type(s). However, types like Ground, Fighting, and Fire often have a wide range of super-effective matchups against common types.
Q: What is the least effective attacking type? A: Similar to the above, it depends. However, types like Normal and Bug often have fewer super-effective matchups and more resistances/neutral matchups against them.
Q: How does a move like Flying vs. Bug/Fighting work? A: Flying is normally effective (1x) vs. Bug and super effective (2x) vs. Fighting. If a Pokémon is Bug/Fighting, the multipliers are multiplied: 1 * 2 = 2x. The overall move is super effective.
Q: What happens if a move is resisted by both types? A: If a move is "Not Very Effective" (0.5x) against both of a dual-type Pokémon's types (e.g., a Fire move against a Water/Rock type like Relicanth), the final multiplier becomes 0.5 * 0.5 = 0.25x. This is known as "quad-resisted".
Q: Does the calculator consider abilities like Levitate? A: No, this calculator strictly uses the base type chart. Abilities, items, and other game mechanics that modify type effectiveness are not included.
Q: Can I calculate the effectiveness of a Normal-type move against a Ghost-type Pokémon? A: Yes. Select Normal as the attacking type and Ghost as the defending type. The calculator will show it's immune (0x).
Q: What if I accidentally select the wrong type? A: Simply use the dropdown menus to correct your selection and click "Calculate" again. The "Reset" button can clear all fields.
Q: Is there a type that resists all other types? A: No single type universally resists all others. However, types like Steel and Fairy have numerous resistances and are difficult to hit super effectively.
