Shulker Box Storage Maths

Quick answer

• A shulker box holds 27 stacks = 1,728 items.
• For 16-stack items like ender pearls, it's 432.
• Items ÷ 64 = slots. Slots ÷ 27 = shulkers. Always round up.

"How many shulkers is that?" comes up every time you empty a farm or plan a big build. Here are all the numbers in one place.

Stack & Shulker CalculatorConvert Minecraft items into stacks, shulker boxes and chests→

How much fits where

A shulker box holds exactly the same as a normal chest. The difference: it keeps its items when you break it, so you can carry the whole thing.

Not everything stacks to 64

Shulkers inside chests

You can't put a shulker box inside another shulker box (or a bundle). Any other container is fine, and that's where storage gets huge.

Do the maths yourself

1. Items ÷ 64 (or ÷ 16 for 16-stack items). Round up. That's your slots.
2. Slots ÷ 27. Round up. That's your shulker boxes.

10,000 stone

10,000 ÷ 64 = 156.25, so 157 slots. Then 157 ÷ 27 = 5.8, so 6 shulkers (five full, one with 22 stacks).

500 ender pearls

500 ÷ 16 = 31.25, so 32 slots. That's 2 shulkers, because one only fits 432 pearls.

3 double chests of iron

Each double chest = 2 shulkers' worth, so you need 6 shulkers.

Planning a build with lots of blocks? The materials planner adds it all up for you.

Materials PlannerPlan Minecraft build materials and calculate stacks, shulker boxes and chests→

Getting more shulker boxes

1 shulker box = 1 chest + 2 shulker shells. Shells drop from shulkers in End cities:

• Java: 50% chance per shulker, up to 68.75% with Looting III.
• Bedrock: 0 to 1 shells per shulker, up to 4 with Looting III.

Cheat sheet

• 1 shulker = 27 stacks = 1,728 blocks
• 1 double chest = 2 shulkers' worth = 3,456 blocks
• 16-stack items: 432 per shulker
• Round up at every step, for every block