Minecraft Stack and Shulker Calculator
Turn a block count into full stacks, a remainder, shulker boxes and chests. Pick the stack size for the item you are gathering.
- Stacks to gather
- stacks
- Full stacks
- stacks
- Left over in the last stack
- items
- Shulker boxes (27 stacks each)
- boxes
- Single chests (27 slots)
- chests
- Double chests (54 slots)
- chests
Gathering for a circle? Open the circle generator.
How it is worked out
Full stacks are the count divided by the stack size, rounded down. The remainder is what is left over. The stacks to gather is the count divided by the stack size, rounded up, since a partly filled stack still takes a slot. For example, 1000 blocks at 64 per stack is 15 full stacks plus 40 blocks, so 16 stacks to gather.
Chests and shulker boxes are counted by slots: stacks to gather divided by 27 for a single chest or a shulker box, and by 54 for a double chest, each rounded up. A single chest has 27 slots and a large chest 54 (Minecraft Wiki: Chest). The shulker box figure uses 27 slots as a rule of thumb.
Which stack size to choose
Most placeable blocks stack to 64, and some items stack to 16, such as ender pearls; some do not stack at all (Minecraft Wiki: Item). Treat 64 as a rule of thumb for vanilla building blocks, and check the item you are gathering.
Using it with the generators
Every generator on this site already shows the stacks of 64. To carry a block count here, add ?n= and the count to this page’s address, for example ?n=1000. Counts come from the circle generator, the sphere generator, the dome generator and the round tower generator.
Questions
Why does 64 blocks give 1 stack and 65 give 2?
A stack holds up to 64, so 64 fills one stack exactly and the 65th block needs a second slot.
Not an official Minecraft product, and not affiliated with Mojang or Microsoft.