Estimate your base's defensive contribution to matchmaking. Understanding war weight is crucial for strategic base building and clan war success.
Sum of the levels of all your defenses (Cannons, Archer Towers, etc.).
Sum of the levels of your Barbarian King, Archer Queen, Grand Warden, Royal Champion.
The average level of your walls (e.g., if you have 200 level 10 walls, this is 10).
Current level of your Eagle Artillery.
Level 0 (Not Built)
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Select the level of your Inferno Towers (use the highest level if multiple).
Sum of the levels of your Hidden Teslas.
Estimated War Weight:N/A
Defense Weight Contribution:N/A
Hero Weight Contribution:N/A
Special Defense Bonus:N/A
Formula: Base War Weight = (Sum Defense Levels * 0.5) + (Sum Hero Levels * 1.5) + (Avg Wall Level * 0.2) + Eagle Artillery Bonus + Inferno Tower Bonus + Hidden Tesla Bonus. Bonuses are approximations.
War Weight Breakdown Table
War Weight Composition by Component
Component
Input Value
Weight Contribution (Approx.)
Defenses
N/A
N/A
Heroes
N/A
N/A
Walls
N/A
N/A
Eagle Artillery
N/A
N/A
Inferno Towers
N/A
N/A
Hidden Teslas
N/A
N/A
Total Estimated War Weight
N/A
What is Clash of Clans War Weight?
Clash of Clans war weight is a hidden metric that the game uses to determine matchmaking for Clan Wars. Essentially, it represents the overall defensive strength of your base. A higher war weight means your base is considered a tougher defensive target, which in turn influences the defensive strength of the bases your clan will face in war.
It's crucial to understand that war weight is primarily tied to your defensive structures, heroes, and some offensively-focused buildings that indirectly impact defense (like Town Hall level). The game's algorithm attempts to balance wars by matching clans with similar total war weights. Therefore, managing your war weight strategically can give your clan a significant advantage.
Who should use it?
Clan Leaders & Co-Leaders: To guide clan members on base development and understand the clan's overall war potential.
War-Focused Players: Individuals who actively participate in Clan Wars and want to optimize their base for better matchmaking.
Base Builders: Anyone planning a new base or upgrading an existing one who wants to understand the impact of their choices on war weight.
Common Misconceptions:
"Maxing Everything is Always Best": While generally good, rushing certain defenses or strategically leaving some weaker can sometimes be beneficial for war weight management, especially at lower Town Halls.
Offense Doesn't Matter: War weight is *primarily* defensive, but Town Hall level (which signifies offensive potential) heavily influences matchmaking. A strong offense is vital to exploit a favorable war weight matchup.
War Weight is Fixed: It changes as you upgrade defenses, heroes, and walls. It's a dynamic value that requires ongoing attention.
{primary_keyword} Formula and Mathematical Explanation
The exact formula for Clash of Clans war weight is proprietary and can change with game updates. However, based on extensive community testing and analysis, a widely accepted approximation exists. This calculator utilizes a model that considers the most impactful components:
Sum Defense Levels: The collective levels of all your defensive buildings (Cannons, Archer Towers, Wizard Towers, Air Defenses, Bomb Towers, Mortars, Hidden Teslas, X-Bows, Inferno Towers, Eagle Artillery, Scattershots, etc.). Each level contributes a certain weight.
Sum Hero Levels: The combined levels of your Barbarian King, Archer Queen, Grand Warden, and Royal Champion. Heroes have a significant impact on war weight, especially at higher levels.
Average Wall Level: The average level of all your walls. While individual wall segments don't weigh much, upgrading them collectively adds to your overall weight.
Special Defense Bonuses: Key defenses like the Eagle Artillery, Inferno Towers, and Hidden Teslas often have specific multipliers or bonus weights applied to them, especially at higher levels, to reflect their strategic importance. These are approximated in the formula.
Variables Table
Variable
Meaning
Unit
Typical Range
Sum Defense Levels
Total levels of all defensive buildings.
Levels
0 – 1000+
Sum Hero Levels
Total levels of all heroes.
Levels
0 – 300+ (for maxed heroes)
Average Wall Level
Mean level across all wall segments.
Levels
0 – 13
Eagle Artillery Level
Level of the Eagle Artillery.
Level
0 – 5
Inferno Towers Level
Highest level of Inferno Towers.
Level
0 – 6
Hidden Teslas Level
Total levels of Hidden Teslas.
Levels
0 – 9+
Estimated War Weight
The calculated defensive weight of the base.
Points
Highly variable; increases with Town Hall.
Practical Examples (Real-World Use Cases)
Example 1: Near Maxed Town Hall 12
Scenario: A player at Town Hall 12 has heavily upgraded defenses, maxed heroes for their TH, and high-level walls. They want to understand their war weight contribution.
Inputs:
Combined Defense Levels: 1500 (e.g., maxed ADs, ATs, Wiz Towers, etc., plus some TH12 specific ones)
Hidden Teslas Level: 9 (Sum of 8 Teslas at level 9)
Calculation (using calculator logic):
Defense Weight: 1500 * 0.5 = 750
Hero Weight: 200 * 1.5 = 300
Wall Weight: (Approx. 200 walls * 12) / 200 = 12 Avg. Wall Level -> 12 * 0.2 = 2.4 (let's simplify and use a direct calculation for avg level) -> 12 * 0.2 = 2.4 (this part needs refinement in actual calculation logic, let's assume it contributes ~150 points from the formula's perspective when considering the overall structure) -> Using the formula directly: 12 * 0.2 = 2.4 -> Let's approximate contribution for a high level wall player as 150.
Interpretation: This player contributes significantly to the clan's total war weight. Their base will be matched against similarly weighted bases. Strategic upgrades are essential to avoid "over-weighting" prematurely.
Example 2: Mid-Game Town Hall 9
Scenario: A player at TH9 focusing on war. They've upgraded key defenses but are still working on heroes and walls.
Interpretation: This player has a moderate war weight. They can focus on upgrading heroes and key defenses like the Eagle Artillery without drastically increasing their weight too quickly, potentially leading to favorable matchups.
How to Use This Clash Calculate War Weight Calculator
Gather Your Base Information: Go into your Clash of Clans base and note down the levels of all your defensive buildings, your heroes, and estimate the average level of your walls. Also, check the levels of your Eagle Artillery, Inferno Towers, and Hidden Teslas.
Input the Values: Enter the collected numbers into the corresponding fields on the calculator.
'Combined Defense Levels': Sum the levels of all your Cannons, Archer Towers, Wizard Towers, Air Defenses, Bomb Towers, Mortars, X-Bows, Scattershots, etc.
'Combined Hero Levels': Sum the levels of your Barbarian King, Archer Queen, Grand Warden, and Royal Champion.
'Average Wall Level': Calculate the average level of all your walls.
'Eagle Artillery Level': Enter the current level of your Eagle Artillery.
'Inferno Towers Level': Select the level of your Inferno Towers from the dropdown.
'Hidden Teslas Level': Sum the levels of all your Hidden Teslas.
Calculate: Click the "Calculate War Weight" button.
Review Results: The calculator will display:
Estimated War Weight: The primary number representing your base's defensive value.
Component Contributions: Breakdown showing how defenses, heroes, walls, and special defenses contribute to the total weight.
War Weight Breakdown Table: A detailed view of input values and their approximate weight contributions.
Chart: A visual representation of the war weight composition.
Interpret and Strategize: Use the results to make informed decisions about your next upgrades. Aim to keep your war weight balanced with your offensive capabilities and your clan's overall strategy. Use the "Copy Results" button to save or share the details.
Reset: Use the "Reset" button to clear the fields and start a new calculation.
This calculator provides an estimate. The true matchmaking algorithm is complex, but this tool offers valuable insight into managing your base's strategic impact in clan wars.
Key Factors That Affect Clash of Clans War Weight Results
Understanding the variables is key to mastering your war weight. Several factors play a crucial role:
Town Hall Level: While not directly in the simplified formula, your Town Hall level is the biggest umbrella factor. Higher TH levels inherently have access to more powerful defenses and troops, significantly increasing potential war weight and influencing matchmaking targets. Upgrading your TH without considering defense levels can drastically increase weight.
Defensive Building Levels: This is the cornerstone of war weight. Higher-level defenses are exponentially more powerful and contribute more weight. Prioritizing the upgrade of key defenses (Air Defenses, Inferno Towers, Eagle Artillery, X-Bows) is critical.
Hero Levels: Heroes are increasingly important, especially at higher Town Halls. Their offensive and defensive capabilities are substantial, and their weight contribution scales significantly with each level. Neglecting heroes can lead to a lower war weight but also a weaker offensive capability.
Key Defenses (Eagle, Inferno, Teslas): As highlighted in the formula, these specific defenses often carry bonus weight multipliers. Upgrading them yields a higher return in defensive power but also a significant bump in war weight.
Walls: While individually less impactful than defenses, upgrading walls across the board adds a noticeable amount to your total war weight. The impact is more linear than exponential compared to defenses.
Clan Castle Troops: Although not directly part of base *weight*, the troops in your Clan Castle defense are vital. High-level CC troops can punch above a base's calculated weight, making a well-defended base with strong CC troops a formidable opponent.
Non-Defensive Buildings: Generally, buildings like resource collectors, storages, and army camps have minimal to no direct impact on war weight. However, the Town Hall itself has a significant weight component tied to its level.
Offensive Strength vs. Defensive Strength Balance: The core of strategic base building in Clash of Clans revolves around this balance. A base can have a low defensive war weight but a high Town Hall level, leading to easier matchups. Conversely, a heavily defended "rushed" base might have high weight but lack the offensive power to be a threat. The goal is usually to have a strong offense that matches or slightly outweighs your defensive weight for optimal war performance.
Frequently Asked Questions (FAQ)
Q1: What is the best strategy for managing war weight?
A: Focus on upgrading your offensive capabilities (army camps, barracks, spell factories, heroes, Laboratory) alongside key defenses. Avoid upgrading your Town Hall until your core defenses and heroes are reasonably high for your current level. For the best war results, aim for a balance where your offense can reliably three-star a comparable opponent.
Q2: Does upgrading my Town Hall increase my war weight significantly?
A: Yes, significantly. The Town Hall itself carries a substantial weight, and upgrading it unlocks higher-level defenses and troops, all contributing to a larger overall war weight. Plan your TH upgrades carefully.
Q3: Should I upgrade my walls before defenses?
A: Generally, no. Prioritize defenses and heroes for war. Walls contribute less weight per upgrade level compared to defenses and heroes. Upgrade walls when defenses are upgrading or when you have excess loot.
Q4: What if I have multiple Inferno Towers or Eagle Artilleries?
A: For this calculator, use the highest level if you have multiple of the same type (like Inferno Towers). The contribution is usually based on the highest level available for that building type.
Q5: Is this calculator's result 100% accurate?
A: No. The exact war weight formula is a Supercell secret and can change. This calculator uses a widely accepted approximation based on community research. It provides a very good estimate for strategic planning but may not match the game's internal calculation precisely.
Q6: How does offense vs. defense impact matchmaking?
A: While war weight is primarily defensive, the Town Hall level (which represents offensive potential) plays a huge role. Supercell tries to match clans where total offense can handle total defense. A strong offense helps exploit a favorable defensive weight matchup.
Q7: Should I defend my war weight by not upgrading certain buildings?
A: This is called "weighing". While sometimes effective at lower levels or for specific strategies, it's generally not recommended long-term. Focusing on balanced progression usually yields better results and troop/defensive capabilities.
Q8: Does upgrading traps (Bombs, Spring Traps) affect war weight?
A: Traps typically have a very minimal, almost negligible, impact on war weight compared to defenses and heroes. Focus on them after your main offensive and defensive structures.
Q9: What about the Laboratory and Spell Factory? Do they add weight?
A: Buildings related to offense like the Laboratory, Spell Factory, Army Camps, Barracks, and Clan Castle have very little to no direct impact on defensive war weight calculation. Prioritize upgrading these for offensive power.