Smogon Damage Calculator

Master competitive Pokémon battles by accurately predicting damage outcomes. Our Smogon Damage Calculator helps you understand the impact of your moves and your opponent’s defenses, factoring in critical elements like STAB, type effectiveness, and stat variations.

Calculate Pokémon Damage

Detailed Damage Rolls (85% to 100%)

Roll %	Damage (HP)	Damage (% HP)

What is a Smogon Damage Calculator?

A Smogon Damage Calculator is an essential online tool for competitive Pokémon players. It allows trainers to accurately predict the amount of damage a specific move will deal from one Pokémon to another, taking into account a multitude of factors that influence battle outcomes. This prediction capability is crucial for strategic planning, team building, and in-game decision-making, helping players determine if an attack will secure a knockout (KO), how much health a Pokémon will lose, or if a defensive switch is necessary.

Who Should Use the Smogon Damage Calculator?

• Competitive Pokémon Players: From beginners to seasoned veterans, anyone participating in online battles (e.g., on Pokémon Showdown) or official tournaments needs this tool to optimize their strategies.
• Team Builders: When constructing a team, the calculator helps assess offensive threats and defensive capabilities, ensuring your Pokémon can withstand common attacks or dish out enough damage.
• Content Creators: Streamers and YouTubers often use the Smogon Damage Calculator to demonstrate battle scenarios, explain complex interactions, and educate their audience.
• Casual Players: Even those who play casually can benefit from understanding damage mechanics to improve their in-game performance and appreciate the depth of Pokémon battles.

Common Misconceptions about the Smogon Damage Calculator

Despite its utility, some misconceptions exist:

• It’s only for Smogon tiers: While “Smogon” is in the name due to its origin in the competitive community, the underlying damage formula applies to all Pokémon games. The calculator is useful regardless of the specific tier or format you play.
• It’s always 100% accurate: The calculator provides a damage *range* because Pokémon battles incorporate a random damage roll (85% to 100%). While it gives precise boundaries, the exact damage dealt in a single instance will vary within that range.
• It accounts for every single modifier: While comprehensive, most online calculators, including this Smogon Damage Calculator, simplify by focusing on the most common modifiers. Extremely niche abilities, items, or field effects might not be included in basic versions, though advanced calculators often have options for them.

Smogon Damage Calculator Formula and Mathematical Explanation

The core of any Smogon Damage Calculator lies in the Pokémon damage formula. This formula, while seemingly complex, is a series of multiplications and additions that determine the final damage output. Understanding its components is key to mastering competitive Pokémon.

Step-by-Step Derivation

The general formula for damage in Pokémon (Generation III onwards, with minor variations) is:

Damage = (((((2 * Level / 5 + 2) * AttackerStat * BasePower / DefenderStat) / 50) + 2) * Modifiers * RandomRoll)

1. Base Calculation: ((2 * Level / 5 + 2) * AttackerStat * BasePower / DefenderStat) / 50 + 2
   This initial part establishes the raw power of the attack, scaling with the attacker’s level, their relevant offensive stat (Attack or Special Attack), the move’s base power, and inversely with the defender’s relevant defensive stat (Defense or Special Defense).
2. Modifiers: This result is then multiplied by various modifiers. These include:
   • STAB (Same-Type Attack Bonus): If the move’s type matches one of the attacker’s types, damage is multiplied by 1.5.
   • Type Effectiveness: Based on the move’s type against the defender’s type(s) (e.g., 0.25x, 0.5x, 1x, 2x, 4x).
   • Critical Hit: If the attack is a critical hit, damage is multiplied by 1.5 (in most recent generations).
   • Other Modifiers: This can include items (e.g., Choice Band, Life Orb), abilities (e.g., Adaptability, Sheer Force), weather effects (e.g., Sun, Rain), terrain effects, status conditions (e.g., Burn), and more. For simplicity, our calculator focuses on the most common ones.
3. Random Roll: Finally, the result is multiplied by a random number between 0.85 and 1.00 (inclusive, in 16 increments). This introduces an element of unpredictability to every attack, which is why a Smogon Damage Calculator provides a range rather than a single number.

Variable Explanations

Here’s a breakdown of the variables used in the Smogon Damage Calculator formula:

Variable	Meaning	Unit	Typical Range
Level	The level of the attacking Pokémon.	N/A	50-100
AttackerStat	The attacker’s relevant offensive stat (Attack or Special Attack).	Stat Points	10-714
BasePower	The base power of the move being used.	N/A	1-250
DefenderStat	The defender’s relevant defensive stat (Defense or Special Defense).	Stat Points	10-714
Modifiers	Combined multipliers from STAB, Type Effectiveness, Critical Hit, etc.	Multiplier	Varies widely
RandomRoll	A random number applied to the final damage.	Multiplier	0.85 – 1.00

Practical Examples (Real-World Use Cases)

Let’s look at how the Smogon Damage Calculator can be applied in common competitive Pokémon scenarios.

Example 1: Securing a One-Hit KO (OHKO)

Imagine you’re using a Garchomp (Level 100, 394 Attack stat) and want to know if its Earthquake (Base Power 100, STAB) can OHKO an opposing Heatran (Level 100, 299 Defense stat, 361 Max HP). Heatran is weak to Ground (2x effectiveness).

• Attacker Level: 100
• Attacker Offensive Stat: 394 (Attack)
• Defender Defensive Stat: 299 (Defense)
• Defender Max HP: 361
• Move Base Power: 100 (Earthquake)
• STAB: Yes (Ground-type Garchomp using Ground-type Earthquake)
• Type Effectiveness: 2x (Ground vs. Steel/Fire)
• Critical Hit: No

Using the Smogon Damage Calculator, you might find the damage range is 300-354 HP (83.1% – 98.1% of Heatran’s HP). This tells you that while it’s a very strong hit, it’s not a guaranteed OHKO. Heatran might survive on its minimum roll, requiring a follow-up attack or a different strategy.

Example 2: Checking Defensive Viability

You’re building a defensive Corviknight (Level 100, 334 Defense stat, 404 Max HP) and are concerned about opposing Cinderace’s Pyro Ball (Base Power 120, STAB). Corviknight resists Fire (0.5x effectiveness).

• Attacker Level: 100 (Cinderace)
• Attacker Offensive Stat: 359 (Cinderace’s Attack)
• Defender Defensive Stat: 334 (Corviknight’s Defense)
• Defender Max HP: 404
• Move Base Power: 120 (Pyro Ball)
• STAB: Yes (Fire-type Cinderace using Fire-type Pyro Ball)
• Type Effectiveness: 0.5x (Fire vs. Steel/Flying)
• Critical Hit: No

The Smogon Damage Calculator might show a damage range of 80-95 HP (19.8% – 23.5% of Corviknight’s HP). This indicates Corviknight can comfortably take multiple Pyro Balls, confirming its role as a reliable physical wall against Cinderace.

How to Use This Smogon Damage Calculator

Our Smogon Damage Calculator is designed for ease of use, providing quick and accurate damage predictions. Follow these steps to get the most out of it:

Step-by-Step Instructions

1. Enter Attacker Level: Input the level of the Pokémon initiating the attack. Default is 100, common in competitive play.
2. Enter Attacker Offensive Stat: Provide the Attack or Special Attack stat of your attacking Pokémon. This is the final stat value after EVs, IVs, nature, and any in-battle boosts.
3. Enter Defender Defensive Stat: Input the Defense or Special Defense stat of the target Pokémon. This should be the stat relevant to the incoming attack (e.g., Defense for a physical move, Special Defense for a special move).
4. Enter Defender Max HP: Crucial for understanding damage as a percentage of the opponent’s total health.
5. Enter Move Base Power: Input the base power of the move being used (e.g., Flamethrower is 90, Close Combat is 120).
6. Select STAB: Choose “Yes” if the move’s type matches one of the attacker’s types (e.g., a Fire-type Pokémon using a Fire-type move). Otherwise, select “No”.
7. Select Type Effectiveness: Determine how effective the move’s type is against the defender’s type(s). Options range from “No Effect (0x)” to “Super Effective (4x)”.
8. Select Critical Hit: Choose “Yes” if you want to calculate damage assuming a critical hit, or “No” for a normal hit.
9. Click “Calculate Damage”: The results will instantly appear below the input fields.
10. Click “Reset”: To clear all fields and revert to default values.
11. Click “Copy Results”: To copy the main results and key assumptions to your clipboard for easy sharing or record-keeping.

How to Read Results

• Primary Highlighted Result: This shows the overall damage range in HP and as a percentage of the defender’s Max HP. This is your quick overview.
• Minimum/Maximum/Average Damage: These values provide the exact HP and percentage figures for the lowest, highest, and average possible damage rolls.
• Multipliers: See the individual multipliers applied for STAB, Type Effectiveness, and Critical Hit, helping you understand their impact.
• Detailed Damage Rolls Table: This table breaks down each of the 16 possible damage rolls (from 85% to 100% of the calculated damage), showing the exact HP and percentage of HP dealt for each.
• Damage Distribution Chart: A visual representation of the damage rolls, making it easy to see the spread and likelihood of different damage outcomes.

Decision-Making Guidance

The Smogon Damage Calculator empowers strategic decisions:

• One-Hit KO (OHKO) Potential: If the minimum damage roll is greater than or equal to the defender’s Max HP, it’s a guaranteed OHKO. If only the maximum roll achieves a KO, it’s a “roll-dependent” KO.
• Two-Hit KO (2HKO) Potential: If two attacks (even on minimum rolls) can KO the opponent, it’s a reliable 2HKO.
• Survival Chances: If your Pokémon can survive an opponent’s attack, even on their maximum damage roll, you know you can stay in.
• EV Spread Optimization: Use the calculator to test different EV spreads for your Pokémon, finding the optimal balance between offense and defense to achieve specific KOs or survival thresholds. For more detailed EV/IV calculations, consider an EV IV Calculator.

Key Factors That Affect Smogon Damage Calculator Results

The accuracy and utility of a Smogon Damage Calculator depend on understanding the various factors that influence damage output. Each element plays a critical role in the final calculation.

1. Attacker’s Level: A higher level significantly boosts damage. In competitive play, Pokémon are usually set to Level 50 or 100, which standardizes this factor.
2. Attacker’s Offensive Stat (Attack/Special Attack): This is perhaps the most direct determinant of damage. Higher Attack for physical moves and higher Special Attack for special moves lead to more damage. This stat is influenced by a Pokémon’s base stats, IVs, EVs, and nature.
3. Defender’s Defensive Stat (Defense/Special Defense): Conversely, a higher defensive stat (Defense for physical, Special Defense for special) reduces incoming damage. Like offensive stats, this is shaped by base stats, IVs, EVs, and nature.
4. Move’s Base Power: The inherent strength of the move. A move with 120 Base Power will hit harder than one with 60 Base Power, assuming all other factors are equal.
5. STAB (Same-Type Attack Bonus): A crucial 1.5x multiplier applied when a Pokémon uses a move that shares one of its types. This is why STAB moves are almost always preferred for offensive Pokémon.
6. Type Effectiveness: This multiplier (0x, 0.25x, 0.5x, 1x, 2x, 4x) is determined by how the move’s type interacts with the defender’s type(s). Hitting a weakness (2x or 4x) is often the goal for offensive plays, while resisting an attack (0.5x or 0.25x) is key for defensive Pokémon. You can find a comprehensive guide on an Type Effectiveness Chart.
7. Critical Hits: A critical hit bypasses defensive stat boosts and applies a 1.5x damage multiplier (in recent generations). While somewhat random, certain moves or abilities can increase critical hit chances.
8. Other Modifiers (Items, Abilities, Weather, Terrain, Status):
   • Items: Choice Band/Specs (1.5x offensive stat), Life Orb (1.3x damage, 10% recoil), Assault Vest (1.5x Sp. Def), Eviolite (1.5x Def/Sp. Def for unevolved Pokémon).
   • Abilities: Adaptability (2x STAB), Sheer Force (1.3x damage for moves with secondary effects, no secondary effects), Huge Power/Pure Power (2x Attack).
   • Weather/Terrain: Sun boosts Fire moves, weakens Water; Rain boosts Water, weakens Fire. Electric Terrain boosts Electric moves, etc.
   • Status Conditions: Burn halves physical attack damage.

   These factors can significantly alter the outcome and are often included in more advanced Smogon Damage Calculator versions or considered manually.

Frequently Asked Questions (FAQ) about the Smogon Damage Calculator

Q: Why does the Smogon Damage Calculator show a range instead of a single number?

A: Pokémon battles incorporate a “random damage roll” where the final damage is multiplied by a random factor between 0.85 and 1.00 (in 16 increments). This means the exact damage dealt will vary slightly with each attack, and the calculator reflects this inherent randomness by providing a minimum and maximum possible damage.

Q: How do I find my Pokémon’s exact Attack/Defense stats for the calculator?

A: You can find these stats in-game on your Pokémon’s summary screen. For competitive play, you’ll often need to calculate them based on base stats, IVs, EVs, and nature. Tools like an online Pokémon Stat Calculator or an EV IV Calculator can help you determine these precise values.

Q: What is STAB, and why is it important for the Smogon Damage Calculator?

A: STAB stands for “Same-Type Attack Bonus.” If a Pokémon uses a move that shares one of its types (e.g., a Fire-type Pokémon using a Fire-type move), the move’s power is multiplied by 1.5. This is a significant damage boost and is crucial for maximizing offensive potential, making it a key input for any Smogon Damage Calculator.

Q: Does this calculator account for abilities like Huge Power or items like Choice Band?

A: This specific calculator simplifies by focusing on the core damage formula and common multipliers. For abilities like Huge Power (which doubles the Attack stat) or items like Choice Band (which multiplies the Attack stat by 1.5), you would typically input the *final* calculated Attack stat into the “Attacker Offensive Stat” field after these modifiers have been applied. More advanced Smogon Damage Calculator versions might have dedicated fields for these.

Q: Can I use this Smogon Damage Calculator for older Pokémon generations?

A: The core damage formula has remained largely consistent from Generation III onwards. However, critical hit multipliers (2x in Gen 1-5, 1.5x in Gen 6+), specific item effects, and ability interactions can differ. This calculator uses modern (Gen 6+) critical hit mechanics. For precise calculations in older generations, you might need a generation-specific calculator.

Q: What does it mean if an attack is a “roll-dependent KO”?

A: A “roll-dependent KO” means that the attack will only result in a knockout if the random damage roll falls within the higher end of the 85%-100% range. If the attack hits on a lower roll, the target will survive. The Smogon Damage Calculator helps you identify these situations by showing the full damage range.

Q: How can I improve my Pokémon’s damage output based on the calculator’s results?

A: To increase damage, you can: raise the attacker’s offensive stat (more EVs, beneficial nature), use moves with higher base power, ensure STAB, hit super-effective targets, or use items/abilities that boost damage. Conversely, to reduce damage taken, raise defensive stats, use defensive items, or switch into resistances.

Q: Is the Smogon Damage Calculator useful for in-game battles or just competitive play?

A: While primarily designed for competitive play where every point of damage matters, the Smogon Damage Calculator can absolutely be useful for in-game battles. It helps you understand why certain moves hit harder than others, aiding in team composition and strategy even against AI opponents. It’s a great way to learn the underlying mechanics of the game.

Related Tools and Internal Resources

Enhance your Pokémon competitive strategy with these additional resources:

• Pokémon EV IV Calculator: Optimize your Pokémon’s stats by calculating the perfect Effort Value (EV) and Individual Value (IV) spreads.
• Type Effectiveness Chart: A comprehensive guide to all Pokémon type interactions, crucial for planning super-effective attacks and defensive switches.
• Pokémon Stat Calculator: Determine your Pokémon’s final stats at any level, considering base stats, IVs, EVs, and nature.
• Competitive Pokémon Strategy Guide: Dive deeper into advanced competitive concepts, team building, and battle tactics.
• Pokémon Move Database: Explore detailed information on all Pokémon moves, including base power, accuracy, and secondary effects.
• Pokémon Ability List: Understand the impact of various Pokémon abilities on battles and how they interact with moves and stats.