Windows
Minecraft displays the player inventory differently, according to how the window was opened. Ranges of slot indices vary in meaning between different "windows".
Slot indices in various MC windows. All ranges are inclusive. Generally rectangular regions' slot indices start from the top-left corner, and increase from left to right, and then onto the next row.
Inventory
| Slot range
|
Description
|
| 0
|
crafting output
|
| 1-4
|
crafting input (1 + x + 2 * y)
|
| 5-8
|
armor (head, chest, legs, feet)
|
| 9-35
|
main inventory
|
| 36-44
|
held items
|
Crafting window
| Slot range
|
Description
|
| 0
|
crafting output
|
| 1-9
|
crafting input (1 + x + 3 * y)
|
| 10-36
|
main inventory
|
| 37-45
|
held items
|
Chest
| Slot range
|
Description
|
| 0-26
|
chest
|
| 27-53
|
main inventory
|
| 54-62
|
held items
|
Large chest
| Slot range
|
Description
|
| 0-53
|
chest
|
| 54-80
|
main inventory
|
| 81-89
|
held items
|
Furnace
| Slot range
|
Description
|
| 0
|
above flame
|
| 1
|
fuel
|
| 2
|
output
|
| 3-29
|
main inventory
|
| 30-38
|
held items
|
Dispenser
| Slot range
|
Description
|
| 0-8
|
3x3 dispenser contents (x + 3 * y)
|
| 9-35
|
main inventory
|
| 36-44
|
held items
|