Estimate Your Clash of Clans War Weight
Enter your base and offense progression to estimate matchmaking weight. This is an unofficial estimator designed for planning war upgrades.
What is a CoC war weight calculator?
A CoC war weight calculator estimates how “heavy” your village is in Clan War matchmaking. In plain terms, the game compares offensive and defensive power across members, then tries to find an opponent with a similar total profile. If your base is heavily upgraded but your offense is behind (or vice versa), your clan can be placed in awkward matchups.
How this calculator estimates war weight
Supercell does not publish the exact formula, so any public tool is an approximation. This calculator uses a weighted model:
- Town Hall base value: a foundation score per TH tier.
- Defense progression: core defenses plus high-impact defenses like X-Bows, Infernos, Eagle, Scattershots, and Monolith.
- Offense progression: hero levels, pet levels, and lab completion.
- Walls: low but non-zero impact for overall progression balance.
The output is best used for relative planning—for example, comparing your current profile to your profile after planned upgrades.
How to use the calculator effectively
1) Enter realistic average values
For major defenses, use your actual average level across existing buildings. If a defense is unavailable at your Town Hall, keep it at 0.
2) Check offense vs defense split
A healthy war account usually keeps offense from lagging too far behind defense. If your defense score is far ahead, you may face stronger opponents than your attacking strength can comfortably handle.
3) Plan upgrades in batches
Instead of maxing every defense first, many war-focused players prioritize:
- Heroes and key troops/spells for reliable 2-star and 3-star strategies.
- Essential defenses that give strong value per upgrade.
- Balanced progression to avoid sudden weight spikes.
Upgrade strategy tips for better war performance
- Keep heroes active: hero levels are a major contributor to real war success.
- Do not ignore lab upgrades: troop strength often decides close wars.
- Avoid extreme rushing: rushed bases can carry high TH weight without matching effectiveness.
- Coordinate with clan leadership: align your progression with your clan’s war roster goals.
Frequently asked questions
Is this the official matchmaking formula?
No. This is an educated estimate for planning purposes, not an official Supercell tool.
Why do two similar bases still get different matchups?
Matchmaking depends on the full clan lineup, not just one account. Even if your base is similar, differences across 10v10, 15v15, or 30v30 rosters can change outcomes.
Can I reduce war weight?
You cannot downgrade buildings, but you can improve roster balance and future upgrade order. Focus on efficiency: meaningful offensive gains first, then high-value defenses.
Bottom line
Use this coc war weight calculator as a strategic dashboard. Track your score over time, compare before-and-after upgrade plans, and keep offense and defense moving together. That approach usually creates the best war results for both you and your clan.