A block can be considered solid if it has a collision box that players, mobs, or other entities cannot move through and those caught inside a solid block may suffocate. For a block to be solid it also has to not be broken by flowing liquids. Blocks such as iron blocks are solid, and cobwebs are non-solid, because players can move through them slowly and water flow can break them.
Solid blocks are also considered when generating structures.
List of blocks
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Description: Missing blocks from Java Edition 1.12 and later.
List of solid blocks
The following blocks are all solid blocks. They are categorized by their material.
|Unknown||Not applied to any blocks.|
|Snow layer (2-8)|
List of non-solid blocks
These blocks consist of any block that is not solid.
|Snow layer (1)|
Most solid blocks are 1 meter high, but certain blocks have non-standard block heights.
A player can fit through spaces as small as 1.8125 (2 - 3⁄16) blocks high, since players are 1.8 blocks tall. This allows players to fit through a 2-block gap with a floor as high as a trapdoor.
When sneaking, a player can fit through spaces as small as 1.75 (2 - 1⁄4) blocks high,[Bedrock Edition only] or 1.5 blocks,[Java Edition only] since sneaking players are 1.65 blocks or 1.5 blocks tall, respectively. In Bedrock, this allows players to fit through a 2-block gap with a floor as high as 3 layers of snow. In Java, players can fit through a 2-block space with a floor as high as a slab.
When gliding with elytra, a player can fit through spaces as small as 0.625 (1 - 3⁄8) blocks high, since gliding players are 0.6 blocks tall. This allows players to fit through a 1-block gap with a floor as high as 4 layers of snow, or a flower pot, or a daylight sensor.
Note that doors, although appearing to be one 2-meter-high block, are actually composed of two (top and bottom) 1-meter-high blocks.
Here is a list of blocks with non-standard heights, from tallest to shortest in height:
|1.5||1 1⁄2||24||150||1500||Open shulker boxes|
|Fences, Fence gates, Walls [note 2]|
|0.9375||15⁄16||15||93.75||937.5||Grass path, Farmland|
|Bell attached to walls, Cactus, Honey Block [note 2]|
|0.875||7⁄8||14||87.5||875||Soul sand, Lectern, 8 layers of snow|
|Chest, Ender chest, Sideways-oriented Grindstone, Trapped chest, Top of brewing stand [note 2]|
|0.8125||13⁄16||13||81.25||812.5||End portal frame without eye of ender|
|Chorus plant [note 2]|
|0.75||3⁄4||12||75||750||Enchantment table, 7 layers of snow|
|Cocoa bean plant, Mob Heads on wall [note 2]|
|0.6875||11⁄16||11||68.75||687.5||Conduit [note 2]|
|0.625||5⁄8||10||62.5||625||6 layers of snow|
|Inside of hopper, Sideways-oriented end rod [note 2]|
|Lantern on ground [note 2]|
|0.5||1⁄2||8||50||500||Bottom slabs, 5 layers of snow|
|Mob Heads on ground, Bottom part of stairs, Cake [note 2]|
|Turtle egg, Sea pickles with 4 bodies [note 2]|
|0.375||3⁄8||6||37.5||375||Daylight sensor, 4 layers of snow|
|Flower pot, Sea pickles with 1, 2 and 3 bodies [note 2]|
|0.3125||5⁄16||5||31.25||312.5||Inner part of an anvil's base [note 2]|
|0.25||1⁄4||4||25||250||3 layers of snow|
|Inside of cauldron, Outer part of an anvil's base [note 2]|
|0.125||1⁄8||2||12.5||125||Redstone repeater, Redstone comparator, Bottom of floating Scaffolding, Base of Lectern, 2 layers of snow|
|Base of brewing stand, Inside of composter [note 2]|
|0.09375||3⁄32||11⁄2||9.375||93.75||Lily pad [note 2]|
- Although boats are entities, players can step on them.
- These blocks are also thinner, i.e. their length and width are less than that of a full block.
|Java Edition pre-Classic|
|Cave game tech test||Added grass blocks and cobblestone, the first two types of solid blocks.|
|Solid blocks were the only available type of block, until rd-161348, when the first legitimately-obtainable non-solid blocks (saplings) were added.|