Composter

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Composter
Composter.png
Composter (compost level 4).pngComposter (compost level 5).pngComposter (compost level 6).pngComposter full.pngComposter contents ready.png
Renewable

Yes

Stackable

Yes (64)

Tool

Blast resistance

0.6

Hardness

0.6

Luminant

No

Transparent

Yes

Flammable

Yes (5)

Catches fire from lava

Yes

A composter is a block that converts food and plant material into bone meal. It also serves as a farmer villager's job site block.

Obtaining

Composters can be broken with any tool, though an axe is the fastest. The composter does not retain the compost inside; instead, it drops empty.

Block Composter
Hardness 0.6
Tool
Breaking time[note 1]
Default 0.9
Wooden 0.45
Stone 0.25
Iron 0.15
Diamond 0.15
Netherite 0.1
Golden 0.1
  1. Times are for unenchanted tools as wielded by players with no status effects, measured in seconds. For more information, see Breaking § Speed.

Crafting

Ingredients Crafting recipe
Any wood Slab

Natural generation

Composters generate in village farms.

Usage

Composters can be used to recycle food and plant items (excluding bamboo, poisonous potatoes, dead bushes, meat, and fish) into bone meal. To do so, the player must use any of a selection of items on the composter. When an adjacent comparator is facing away from the composter, a comparator signal strength of up to 8 is emitted depending on the fullness of the block. Composters appear to have an empty interior. As such, entities can enter and exit a composter through the top, but not the sides or bottom. The composter has a "floor", whose height depends on the fullness. When the composter is completely empty, this floor is slightly above the block below, and when it is completely full, there is a slight dip on top. When the composter’s fullness increases, any entities inside are pushed up accordingly‌.‌[Bedrock Edition only]

Composting

The composter can be filled with compost, which is done by adding compostable items to it. When successfully adding an item, a green particle appears. The table below lists supported items, which have different levels of compost-ability. The higher the percentage of an item, the more likely it is for it to add another layer of compost. Each layer of compost has a podzol-like appearance. When the composter reaches the 7th layer of compost, the compost changes appearance indicating that bone meal can be collected by using the composter a final time.

The following table shows the items that can be used in a composter, the percent chance for an item to add a level of compost, and the average number of items needed to fill a composter. Smaller pieces (such as individual pieces of wheat, melon slices, etc.) produce more compost than the blocks or other items that can be made from them.

30% 50% 65% 85% 100%
Average number of items required to fill a composter
~23.33 14 ~10.77 ~8.24 7

Hoppers

Composters can interact with hoppers. A hopper directly below a composter pulls bone meal from it. A hopper or dropper facing downward directly above a composter pushes items into it. See Hopper § Redstone component for more details.

Hoppers cannot interact with the sides of a composter.

Changing villager profession

If a village has a composter that has not been claimed by a villager, any resident villager who has not already chosen a job site block has a chance to change their profession to farmer.

Redstone component

See also: Redstone circuit

A composter can act as a power source for a redstone comparator. With a composter behind it (either directly, or separated by an unpowered solid block), a comparator outputs a signal strength between 0 and 8, proportional to how full the composter is: 0 for empty, 1 for 17 full, 2 for 27 full, 3 for 37 full, 4 for 47 full, 5 for 57 full, 6 for 67 full, 7 for completely full but the bone meal is not ready to collect, and 8 for completely full and the bone meal is ready to collect. However, if there is a block between the composter and comparator, the comparator does not immediately update.

Fuel

A composter can be used as fuel in a furnace to smelt 1.5 items.

Sounds

SoundSubtitleSourceDescriptionNamespaced IDTranslation keyVolumePitchAttenuation
distance
??Plays when emptying a composterblock.composter.empty?1?16
??Plays when adding to a composterblock.composter.fill?0.30.816
??Plays when successfully adding to a composterblock.composter.fill_success?1?16
??Plays when composting completesblock.composter.ready?1?16

Data values

ID

Java Edition:

NameNamespaced IDTranslation key
Compostercomposter block.minecraft.composter

Bedrock Edition:

NameNamespaced IDNumeric ID Translation key
Compostercomposter ?tile.composter.name

Block states

Composter (compost level 0 Xray).pngComposter (compost level 1 Xray).pngComposter (compost level 2 Xray).pngComposter (compost level 3 Xray).pngComposter (compost level 4 Xray).pngComposter (compost level 5 Xray).pngComposter (compost level 6 Xray).pngComposter (compost level 7 Xray).pngComposter (compost level 8 Xray).png
Composter with different compost levels
Name Default value Allowed values Description
level‌[JE only]
composter_fill_level‌[BE only]
00
1
2
3
4
5
6
7
8
When at level 8, bone meal is able to be collected from the composter.

History

Java Edition
1.1419w03aComposter.png Composter (compost level 4).pngComposter (compost level 5).pngComposter (compost level 6).pngComposter full.pngComposter contents ready.png Added composters.
The crafting recipe of composters is 4 fences and 3 planks.
19w03bAll mushroom blocks can now be used in composters.
19w04aComposters now spawn in village farms.
19w05aThe chances of composters have been changed from 10/20/50/80/100% to 30/50/65/85/100%.
1.1519w45aThe crafting recipe of composters has been changed to match Bedrock Edition.
1.1620w15aWeeping vines, twisting vines, roots, nether sprouts, fungi, nether wart, nether wart blocks, and warped wart blocks can now be composted.
pre3Shroomlight can now be composted.
Bedrock Edition
1.10.0beta 1.10.0.3Composter.png Composter (compost level 4).pngComposter (compost level 5).pngComposter (compost level 6).pngComposter full.pngComposter contents ready.png Added composters.
Composters are currently available only through Experimental Gameplay.
The crafting recipe of composters is 7 wooden slabs.
Composters currently have glitchy 'over-filled' states, with the soil extending past the composter itelf.
1.11.0beta 1.11.0.1Functionality has been added to composters.
beta 1.11.0.3Composters now support hopper placement.
?The glitched 'over-filled' block states have now been removed.
1.16.0beta 1.16.0.57Weeping vines, twisting vines, roots, nether sprouts, fungi, nether wart, nether wart blocks, and warped wart blocks can now be composted.
PlayStation 4 Edition
1.91Composter.png Composter (compost level 4).pngComposter (compost level 5).pngComposter (compost level 6).pngComposter full.pngComposter contents ready.png Added composters.

Issues

Issues relating to "Composter" are maintained on the bug tracker. Report issues there.

Trivia

  • The compost texture is part of the podzol texture.
  • If planting crops specifically for composting, potatoes produce somewhat more than beets, carrots, or wheat. However, melons offer nearly the same yield per field space, and do not require replanting after harvest.

Gallery