A Minecraft large chest holds 54 slots , which is 3,456 blocks/items if each slot contains a full stack of 64.

Quick math

  • 1 chest slot = up to 64 items.
  • 54 slots × 64 items = 3,456 items.

Note

If you meant a single chest , that one holds 27 slots , or 1,728 items.

TL;DR: A large chest in Minecraft holds 3,456 blocks/items.