Spawner Range Calculator

Calculate mob spawner activation range and spawn rates. Find the optimal AFK position for your spawner-based mob farm.

Positions

X
Y
Z
X
Y
Z

Environment

Current: 0Can spawn
Light: 0Dark enough

Spawner Status

Spawner Active
Spawning normally
Distance
0.00 blocks
Spawns/Min
~6.0
Avg Delay
25.0s
Mob Cap
0/6

Spawner Mechanics

Activation Range16 blocks (spherical)
Spawn Area9×9×3 (9×9×3)
Max Nearby Mobs6 within 9×9×9
Spawn Delay10-40 seconds
Mobs per Spawn1-4 entities

Optimization Tips

  • AFK exactly 16 blocks away (edge of activation range)
  • Use water streams to push mobs 9+ blocks away immediately
  • Keep spawn platforms at Y-2 to Y+2 relative to spawner
  • Light level must be 0 for zombie/skeleton/spider spawners