Calculation
Formula and game rule
Slots = ceiling(items ÷ stack size). Shulker boxes = ceiling(slots ÷ 27). Double chests = ceiling(slots ÷ 54).
Inventory
Plan shulker boxes, chests and inventory storage for item counts.
Shulker & Storage CalculatorTry it now
Game rule: Results update instantly while you type.
Step-by-step guide
Enter the total items and their correct maximum stack size.
Use the slot result for mixed or custom storage layouts.
Read the rounded-up shulker-box and double-chest totals for complete storage capacity.
Calculation
Slots = ceiling(items ÷ stack size). Shulker boxes = ceiling(slots ÷ 27). Double chests = ceiling(slots ÷ 54).
Worked example
10,000 blocks at 64 per stack need 157 slots, which rounds up to 6 shulker boxes or 3 double chests.
Standard shulker and chest slot counts are the same in current Java and Bedrock Edition.
This page is designed for players looking for a Minecraft storage calculator, shulker box calculator, double chest item calculator. The calculator runs locally in your browser and updates without sending your world coordinates or command inputs to the server.
Common questions
A shulker box has 27 inventory slots.
A normal double chest exposes 54 slots.