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COD Zombies Calculator
Zombie health, spawn count, XP per round & SPH calculator for all Call of Duty Zombies games
🧟♂️ Supports BO1, BO2, BO3, BO4, Cold War, WW2, WAW • Updated for 2026
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Zombies This Round
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Total Zombies (R1-Round)
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Zombie Health
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Hordes (Spawn Groups)
| Round | Zombies | Health | Cumulative Total |
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Total XP (Solo)
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XP Per Player (Co-op)
| Kill Type | XP Per Kill | Kills | Total XP |
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Seconds Per Horde (SPH)
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Time Per Horde (MM:SS)
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Estimated Total Time
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Total Hordes
Calculate zombie stats for all Call of Duty Zombies games — fast, free, no signup
How Zombie Spawns Work
Zombie counts increase each round with a formula based on players and game type. In classic games (BO1-BO3), zombies per round = min(24, round × 0.5) × players multiplier. Health increases until round 35-50 depending on game, then caps.
Classic Zombie Count: min(24 × players, round × 0.5 × players + 24)
Zombie Health (Classic): 150 × 1.1^(round-1) (caps ~35,000-50,000)
Cold War Health: Starts at 150, increases by ~20% per round, caps at 50,000 (round 55+)
Game-Specific Differences
- Classic (BO1, BO2, BO3, IW, AW): Health caps ~round 35-50, zombies count increases to ~24-30 per player
- Black Ops 4: Health caps at round 35 (~35,000), special zombies have separate health
- Cold War / Vanguard: Health caps at round 55 (~50,000), zombie count higher, includes megatons
- WWII: Horde count is 18, zombies per round caps at round 100
- World at War: Max 24 zombies per round (excluding Der Riese)
XP Per Kill (Solo)
- 💀 Body shot kill: 50 XP
- 🎯 Headshot kill: 75 XP
- 🔪 Knife kill: 100 XP
- ✅ Round completion bonus: 100 × round number
Co-op: XP is split among players, but total XP is higher overall.
What is SPH (Seconds Per Horde)?
SPH measures how fast you're clearing zombie hordes. A lower SPH means faster, more efficient training/strategy. Elite players aim for 20-30 seconds per horde in mid-rounds.
Frequently Asked Questions
- What's the highest zombie round? — Technically infinite, but practically 255 (BO3) or 100+ in other games
- Does Cold War have health cap? — Yes, health caps at round 55 (~50,000 damage needed)
- Why no BO6? — Formula data not yet fully reverse-engineered
- Does this include special zombies? — Base calculator focuses on regular zombies; specials add 20-30% more per round