Composter

Composter

Java Edition

Bedrock Edition

Java Edition

Bedrock Edition

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Renewable	Yes
Stackable	Yes (64)
Tool
Blast resistance	0.6
Hardness	0.6
Luminous	No
Transparent	Yes
Waterloggable	JE: No BE: Yes
Flammable	Yes (5)
Catches fire from lava	Yes
Map color (JE)	13 WOOD

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

Obtaining

Breaking

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

Block
Hardness	0.6
Tool
Breaking time (sec)[A]
Default	0.9
Wooden	0.45
Stone	0.25
Copper ​	0.2
Iron	0.15
Diamond	0.15
Netherite	0.1
Golden	0.1
Options
Efficiency	000
Haste	001 1JEBE

Legend

• incorrect tool, drops nothing
• correct tool, drops nothing or something other than the block itself
• correct tool, drops the block itself
• italicized can be instant mined

Natural generation

Composters generate in village farms. They can also generate in trail ruins.

Crafting

Ingredients	Crafting recipe
Any Wooden Slab

Usage

Composters can be used to recycle a selection of food and plant items 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. In Bedrock Edition, when the composter’s fullness increases, any entities inside are pushed up accordingly.

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 compostability. The higher the percentage of an item, the more likely it is for it to add another layer of compost. However, when the composter is empty, any compostable item added always creates the first layer of compost, regardless of its compostability.^[1] Each layer of compost has a podzol-like appearance. When the composter reaches the 7th layer of compost and once 20 game ticks (10 redstone ticks; 1 second) have passed, the compost changes appearance indicating that bone meal can be collected by using the composter a final time or by breaking the composter.

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 (individual pieces of wheat, melon slices, etc.) produce more compost than the blocks or other items that can be made from them. The exception is cookies, because each recipe produces 8 cookies, and together those give more than 3 times the compost.

Despite being plants, it is not possible to compost bamboo,^[2] dead bushes,^[3] poisonous potatoes^[4] and chorus plant products.^[5] Meat items, fish, and bones are also not compostable.^[6]

Interacting with a Composter while holding a Debug Stick will raise the level by one, the debug stick is not consumed.

Composting chance (per item)
30%	50%	65%	85%	100%
Items
Beetroot Seeds Bush Cactus Flower Dried Kelp Firefly Bush Glow Berries Grass Block‌[7] Hanging Roots Kelp Leaves Leaf Litter Mangrove Propagule Mangrove Roots Melon Seeds Moss Carpet Pale Hanging Moss Pale Moss Carpet Pink Petals Pitcher Pod Pumpkin Seeds Saplings Seagrass Short Grass Short Dry Grass Small Dripleaf Sweet Berries Tall Dry Grass Torchflower Seeds Wheat Seeds	Cactus Dried Kelp Block Flowering Azalea Leaves Glow Lichen Melon Slice Nether Sprouts Sugar Cane Tall Grass Twisting Vines Vines Weeping Vines	Apple Azalea Beetroot Big Dripleaf Carrot Cocoa Beans Fern Flowers Fungi Large Fern Lily Pad Melon Moss Block Mushrooms Mushroom Stem Nether Wart Pale Moss Block Potato Pumpkins Crimson Roots Warped Roots Sea Pickle Shroomlight Spore Blossom Wheat Wither Rose	Baked Potato Bread Cookie Flowering Azalea Hay Bale Mushroom Blocks Nether Wart Block Pitcher Plant Torchflower Warped Wart Block	Cake Pumpkin Pie
Average number of items to complete compost
21.00	13.00	10.23	8.06	7.00
Average compost yield (per stack of 64)
3.05	4.92	6.26	7.94	9.14

Profession

If a composter has not been claimed by a villager, any nearby unemployed villager has a chance to change their profession to farmer and claim the composter as their job site block. Also, farmer villagers can use composter to compost.^[8]

Redstone component

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 ¹⁄₇ full, 2 for ²⁄₇ full, and so on to 6. 7 is 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.

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.

Fuel

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

Note blocks

Composters can be placed under note blocks to produce "bass" sounds.

Sounds

Generic

Java Edition:

v t e wood sound type
Sound	Subtitles	Source	Description	Resource location	Translation key	Volume	Pitch	Attenuation distance
	​Block broken	Blocks	Once the block has broken	block.wood.break	subtitles.block.generic.break​	1.0	0.8	16
	​Block placed	Blocks	When the block is placed	block.wood.place	subtitles.block.generic.place​	1.0	0.8	16
	​Block breaking	Blocks	While the block is in the process of being broken	block.wood.hit	subtitles.block.generic.hit​	0.25	0.5	16
	​Something falls on a block	Entity-Dependent	Falling on the block with fall damage	block.wood.fall	subtitles.block.generic.fall​	0.5	0.75	16
	​Footsteps	Entity-Dependent	Walking on the block	block.wood.step	subtitles.block.generic.footsteps​	0.15	1.0	16

Bedrock Edition:

v t e wood sound type
Sound	Source	Description	Resource location	Volume	Pitch
	Blocks	Once the block has broken	dig.wood	1.0	0.8-1.0
	Blocks	When the block is placed	dig.wood	1.0	0.8
	Blocks	While the block is in the process of being broken	hit.wood	0.23	0.5
	Players	Falling on the block with fall damage	fall.wood	0.4	1.0
	Players	Walking on the block	step.wood	0.3	1.0
	Blocks	Jumping from the block	jump.wood	0.12	1.0
	Blocks	Falling on the block without fall damage	land.wood	0.18	1.0

Unique

Java Edition:

Bedrock Edition:

Data values

ID

Java Edition:

Name	Identifier	Form	Translation key
Composter	composter	Block & Item	block.minecraft.composter

Bedrock Edition:

Name	Identifier	Numeric ID	Form	Item ID[i 1]	Translation key
Composter	composter	468	Block & Giveable Item[i 2]	Identical[i 3]	tile.composter.name

Block states

Composter with different compost levels

Java Edition:

Bedrock Edition:

History

This section needs to be updated.

 

Please update this section to reflect recent updates or newly available information.

Java Edition
1.14			19w03a				Added composters.
							Composter blocks are found in the "Miscellaneous" tab in the Creative inventory.[9]
							The crafting recipe of composters is 4 fences and 3 planks. Recipe
			19w03b				All mushroom blocks can now be used in composters.
			19w04a				Composters now spawn in village farms.
			19w05a				The chances of composters have been changed from 10/20/50/80/100% to 30/50/65/85/100%.
			19w11a				Composters now serve as farmer villagers' job site block.
1.15			19w45a				The crafting recipe of composters has been changed to match Bedrock Edition. Recipe
1.16			20w06a				Moved composter blocks to the "Decoration Blocks" tab from the "Miscellaneous" tab in the Creative inventory.[9]
			20w15a				Weeping vines, twisting vines, crimson roots, warped roots, nether sprouts, fungi, nether wart, nether wart blocks, and warped wart blocks can now be composted.
			pre3				Shroomlights can now be composted.[10]
1.17			21w05a				Azalea, dripleaves, hanging roots, glow berries, moss blocks, moss carpets and spore blossoms can now be composted.
			21w11a				Glow lichen can now be composted.
1.19			22w11a				Mangrove propagule can now be composted.
			22w12a				Mangrove leaves can now be composted.[11]
			22w15a				Mangrove roots can now be composted.[12]
1.19.4 Experiment Update 1.20			23w07a				Torchflowers, torchflower seeds, and pink petals can now be composted.
1.21.2 Experiment Winter Drop			24w40a				Pale moss blocks, pale moss carpets and pale hanging moss can now be composted.
1.21.5			25w03a				Leaf Litter can now be composted.
Bedrock Edition
1.10.0 Experiment Experimental Gameplay			beta 1.10.0.3				Added composters.
							Composters are currently available only through Experimental Gameplay.
							The crafting recipe of composters is 7 wooden slabs. Recipe
1.11.0			beta 1.11.0.1				Added functionality like in Java Edition.
							Added level 8 "content ready" state.
							Changed models of level 0-7.
							Composters are available outside of Experimental Gameplay.
			beta 1.11.0.3				Composters now support hopper placement.
1.16.0			beta 1.16.0.57				Weeping vines, twisting vines, crimson roots, warped roots, nether sprouts, fungi, nether wart, nether wart blocks, and warped wart blocks can now be composted.
1.16.100			beta 1.16.100.55				Shroomlight can now be composted.
1.16.220			beta 1.16.220.52				Azalea, dripleaves, glow berries, moss blocks, moss carpet and spore blossoms can now be composted.
1.17.0			beta 1.16.230.50				Hanging roots and glow lichen can now be composted.
			beta 1.16.230.54				Small dripleaf can now be composted.
1.20.30			Preview 1.20.20.21				Decreased the hardness and blast resistance of composters from 2 to 0.6.
1.21.50 Experiment Upcoming Creator Features			Preview 1.21.50.26				Added the minecraft:compostable item component that allows custom items to be composted.
1.21.60			Preview 1.21.60.27				Moved the minecraft:compostable item component out of experimental.
PlayStation 4 Edition
1.91							Added composters.

Issues

Issues relating to "Composter" are maintained on the bug tracker. Issues should be reported and viewed there.

Trivia

• The compost texture is based on 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

Renders

Java Edition

Bedrock Edition

Screenshots

• 
  A composter generated in a village
• 
  A full and partially filled composter in a farm
• 
  An official screenshot of a composter used on Minecraft.net.^[13]

References

External links

• Block of the Week: Composter – Minecraft.net on March 23, 2023

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