KIDS TRIVIA

Detailed explanation-1: -You can go 256 blocks above in the overworld, but in the nether, there is bedrock above and underneath the nether. Save this answer. Show activity on this post. The build height limit is 256 blocks, as of pre-1.17.

Detailed explanation-2: -The top face of the highest block that can be placed is at Y=320 for the overworld, and Y=256 for the nether or the end. The maximum height a player can possibly reach is Y=2, 147, 483, 647, which is the largest value of a signed integer on a 32-bit system.

Detailed explanation-3: -What will the new height be? The new build limit, or height, in the 1.18 update will be 320 blocks. This gives players 64 more blocks of space to build up higher in the world.