1050 stone, stack size 64
16 full stacks plus 26 items in the seventeenth slot.
COOKIE TOOLS · CALCULATORS
Minecraft Inventory & Shulker Packing Planner
Allocate materials into native Minecraft stacks across a main inventory or shulker boxes. Reserve slots, inspect exact slot layouts and report every unplaced item.
FreeNo sign-upBrowser-basedJava 1.21.11 data
Your result
Loading controls…How to use
- Enter item_id,quantity CSV. Choose main inventory or shulkers, reserve slots and inspect each container. Identical item IDs are merged.
- Copy the checked result, download JSON for the full plan, or use the available CSV and PNG exports. Your input stays in this browser.
Examples
One fully reserved main inventory
No items placed; all quantities remain in the overflow report.
Supported versions & limitations
Verified Java dataset: 1.21.11
- Main inventory has 36 slots; armor/offhand are excluded. Same-ID items are assumed mergeable without NBT or component differences. No inventory is read from a server.
- No Cookie SMP server, private player account, inventory or seed is queried.
Frequently asked questions
What assumptions apply to Minecraft Inventory & Shulker Packing Planner?
Main inventory has 36 slots; armor/offhand are excluded. Same-ID items are assumed mergeable without NBT or component differences. No inventory is read from a server.
Does this page access my world?
No. Computation uses the data you provide and the local verified dataset; it does not connect to a game server.
Sources
Facts reviewed 2026-10-12. Supported scope and preview limitations are described above.
Enjoy building? Try Cookie SMP.
Survival with friends. Bring your next idea to life.