Smogon Damage Calculator
An essential tool for competitive Pokémon trainers. Calculate damage rolls, KO chances, and optimize your team’s performance with our precise Smogon Damage Calculator.
The level of the attacking Pokémon (typically 50 or 100).
The Attack or Special Attack stat of the attacker.
The Defense or Special Defense stat of the defender.
The maximum HP of the defending Pokémon.
The base power of the move being used.
The type matchup multiplier.
Combine multipliers like STAB (1.5), Life Orb (1.3), Choice Band (1.5), etc.
Damage Range
The formula used is a simplified version of the official damage formula, accounting for the main variables to provide a reliable estimate for competitive play.
Damage Roll Distribution
This chart visualizes the 16 possible damage outcomes from a single attack, from the lowest roll (85%) to the highest (100%).
What is a Smogon Damage Calculator?
A Smogon damage calculator is an indispensable tool for anyone serious about competitive Pokémon battling. It’s a specialized calculator that computes the amount of damage one Pokémon’s attack will do to another. Unlike a simple calculation, it accounts for the game’s complex damage formula, including stats, levels, move power, and numerous multipliers like type effectiveness, items, and abilities. Trainers use a Smogon damage calculator to make critical in-battle decisions, such as whether to stay in and attack or switch to a different Pokémon. It helps determine the probability of a “one-hit KO” (OHKO), “two-hit KO” (2HKO), and allows for precise EV (Effort Value) spreads to survive specific attacks. For anyone looking to move beyond casual play and delve into the strategic depths of Smogon tiers (like OU, UU, etc.), understanding and using a damage calculator is a fundamental skill.
Smogon Damage Calculator Formula and Mathematical Explanation
The core of any Smogon damage calculator is the official Pokémon damage formula. While it has minor variations between generations, the Generation V+ formula is the standard for modern play. It is a multi-step calculation that determines the final damage output.
The basic formula is as follows:
Damage = (((((2 * Level / 5) + 2) * Base Power * (Attack / Defense)) / 50) + 2) * Modifiers
This is then multiplied by a random number between 0.85 and 1.0 to create the damage range. Each part of the formula plays a crucial role:
- Level: The attacker’s level. Higher levels significantly increase the damage base.
- Base Power: The power of the move being used.
- Attack / Defense: The ratio of the attacker’s relevant offensive stat (Attack or Special Attack) to the defender’s relevant defensive stat (Defense or Special Defense).
- Modifiers: This is a product of all other relevant multipliers, such as STAB (Same-Type Attack Bonus, 1.5x), type effectiveness (0.25x to 4x), held items (like Life Orb’s 1.3x boost), abilities, and weather conditions.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Level | Attacker’s Level | – | 50 – 100 |
| Attack/Sp. Atk | Attacker’s offensive stat | Points | 100 – 400+ |
| Defense/Sp. Def | Defender’s defensive stat | Points | 100 – 400+ |
| Base Power | Move’s inherent power | – | 40 – 150+ |
| STAB | Same-Type Attack Bonus | Multiplier | 1, 1.5, or 2 (with Adaptability) |
| Type | Type effectiveness | Multiplier | 0 – 4 |
Practical Examples (Real-World Use Cases)
Example 1: Offensive Pressure
Imagine a standard competitive scenario: a Choice Scarf Garchomp against a defensive Landorus-Therian. A player might use a Smogon damage calculator to see if Garchomp’s Outrage can OHKO Landorus-T.
Inputs:
– Attacker: Level 50 Garchomp, 252 Atk EVs, Adamant Nature (Atk stat ~182)
– Defender: Level 50 Landorus-T, 252 HP / 244+ Def EVs, Impish Nature (HP ~196, Def stat ~155), Intimidate ability (-1 Atk on Garchomp)
– Move: Outrage (Base Power 120)
The Smogon damage calculator would first apply the Intimidate drop to Garchomp’s attack. Then it would calculate the damage, including STAB for Outrage. The result would likely show that it’s not a guaranteed OHKO, allowing the Landorus-T player to confidently stay in, absorb the hit, and retaliate with a super-effective Ice-type move or set up Stealth Rock. Using the Smogon tiers guide is great for these situations.
Example 2: Defensive Calculation
A player using Ferrothorn wants to know if it can survive a Focus Blast from a Gengar. They would use a Smogon damage calculator to find out.
Inputs:
– Attacker: Level 50 Gengar, 252 SpA EVs, Timid Nature (SpA stat ~182)
– Defender: Level 50 Ferrothorn, 252 HP / 252+ SpD EVs, Sassy Nature (HP ~181, SpD stat ~184)
– Move: Focus Blast (Base Power 120)
The calculation would show the damage range as a percentage of Ferrothorn’s max HP. The player might see a result like “88 – 104%,” meaning Gengar has a chance to OHKO. This knowledge is vital. The Ferrothorn player knows they cannot safely switch into Gengar, preventing a costly mistake. For more information, check our guide on EV training.
How to Use This Smogon Damage Calculator
Using this Smogon damage calculator is straightforward and designed for quick, accurate results. Follow these steps to get the most out of it:
- Enter Attacker and Defender Stats: Input the Level, relevant Attack/Special Attack stat for the attacker, and the relevant Defense/Special Defense and Max HP for the defender.
- Input Move Power: Enter the Base Power of the attack you are calculating.
- Set Multipliers: Use the dropdown for Type Effectiveness. For all other boosts (STAB, items, abilities, etc.), multiply them together and enter the final value in the “Other Multipliers” field. For example, for a STAB Life Orb attack, you would enter 1.95 (1.5 * 1.3).
- Read the Results: The calculator instantly shows the Damage Range, the damage as a percentage of the defender’s max HP, the chance to OHKO, and the number of hits for a guaranteed KO.
- Analyze the Chart: The bar chart displays all 16 possible damage values your attack can inflict, giving you a visual understanding of your damage potential. The best players use this information from the VGC competitive pokemon scene to their advantage.
Key Factors That Affect Smogon Damage Calculator Results
Numerous factors can influence the outcome of a Smogon damage calculator. Mastering them is key to competitive success.
- Stats (EVs and Natures): The most direct factor. Higher offensive stats increase damage, while higher defensive stats reduce it. EV spreads and natures are chosen specifically to hit certain damage benchmarks or survive specific attacks.
- Abilities: Game-changing abilities can double an attacker’s power (e.g., Huge Power), reduce incoming damage (e.g., Fluffy), or provide immunity (e.g., Levitate).
- Held Items: Items like Choice Band, Choice Specs, and Life Orb provide significant damage boosts at the cost of being locked into a move or losing HP. Defensive items like Eviolite or Assault Vest bolster defenses. The Overused tier viability ranking often depends on these items.
- STAB (Same-Type Attack Bonus): A fundamental mechanic that gives a 50% power boost to moves that match the user’s type. This is a crucial component of any effective Smogon damage calculator analysis.
- Type Matchups: Super-effective moves deal double damage, while resisted moves deal half. Double weaknesses or resistances can lead to 4x or 0.25x damage, respectively. These are critical calculations for any type matchup guide.
- Critical Hits: Critical hits typically ignore the attacker’s negative stat changes, the defender’s positive stat changes, and deal 1.5x damage. While random, their possibility must be considered.
- Field Conditions: Weather (Sun, Rain), Terrain (Electric, Grassy), and entry hazards (Stealth Rock, Spikes) all alter damage calculations and must be factored into your strategy. A good Smogon damage calculator should account for these.
Frequently Asked Questions (FAQ)
The Pokémon damage formula includes a random multiplier that ranges from 85% to 100% of the calculated damage, applied at the final step. This creates 16 possible outcomes, which is why every Smogon damage calculator provides a range.
This calculator uses the standard, widely accepted damage formula, making it highly accurate for strategic planning. It is designed to mirror the results from popular tools like Pokémon Showdown’s calculator.
It’s the probability that your attack will knock out the opponent in a single hit, based on how many of the 16 possible damage rolls exceed the defender’s remaining HP.
While not strictly necessary, it is a massive advantage. Top players use a Smogon damage calculator frequently to build teams and make informed plays. Over time, you’ll develop an intuition for common damage ranges, but the calculator is essential for precision.
STAB stands for Same-Type Attack Bonus. It’s a 1.5x damage multiplier applied when a Pokémon uses a move that matches one of its types. It is a cornerstone of Pokémon damage calculation.
For an ability like Intimidate, you must manually adjust the stat. If your opponent’s Intimidate lowers your Pokémon’s Attack stat by one stage, you would calculate the new, lowered Attack stat and input that into the Smogon damage calculator.
Discrepancies can arise from hidden factors you might have missed: an opponent’s subtle item (like an Eviolite on a not-fully-evolved Pokémon), a minor stat difference from IVs, or an active field effect. A thorough Smogon damage calculator analysis requires careful input. Exploring different competitive pokemon strategies can help you spot these details.
Websites like Smogon’s own strategy Pokédex, Serebii.net, and Bulbapedia are excellent resources for finding base stats, common EV spreads, and abilities for any Pokémon, which you can then plug into the Smogon damage calculator.
Related Tools and Internal Resources
- Pokémon Team Builder: Plan your competitive team synergy and coverage.
- Smogon Tiers Explained: A comprehensive guide to understanding OU, Ubers, UU, and other competitive tiers.
- EV and IV Calculator: Optimize your Pokémon’s stats for peak performance.
- Advanced Prediction in VGC: Learn how to read your opponent’s moves and stay one step ahead.
- Top 10 Wallbreakers in the OU Tier: Discover the Pokémon that can break through the toughest defenses.
- Mastering Entry Hazards: A strategic guide to using and countering Stealth Rock, Spikes, and more.