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Reason: On 1.17 snapshots Sculk detection when jumping while sneaking

Jumping is a mechanic that elevates the player14 block into the air. It also has other effects when combined with another forms of movement.



Jumping is done by pressing the jump key (which defaults to the space bar on PC) or the jump button on other devices (for example the 'A' button on Xbox). If auto-jump is on the player jumps whenever they brush up against the edge of a block.


Jump height changes

Jumping normally lets the player climb up 114 block. Players with Jump Boost I are able to jump 11516 block, and with Jump Boost II they are able to jump 212 blocks. The effect also increases more with more levels of Jump Boost.

Honey blocks make players jump 316 of a block from them, meaning that they get an 85% jumping reduction.


Cobwebs and sweet berry bushes prevent players from jumping from them.

Sneaking and crawling, when activated by suffocation prevention in Java Edition, prevent players from jumping due to the reduced space. These two actions normally do not prevent players from jumping.


Jumping can be combined with sprinting to increase the player's movement speed. A single jump while sprinting costs four times as much hunger as a normal jump.


Most land-based mobs are able to jump when they are walking up blocks. However, they do not jump spontaneously, except in these cases:

These mobs are able to walk up full-sized blocks without jumping:

Flying mobs (ghasts, phantoms, etc.) and water mobs (except turtles) do not jump.


  • Jumping was one of the first transportation mechanics added.
  • The longest possible distance a player can jump without effects is over 9 blocks, by sprint-jumping out of a 2-block-high ice corridor.
  • The longest possible distance a player can jump with obtainable effects in survival is over 11 blocks. by using Potion of leaping, Swiftness and Slow falling combined with soul speed III boots on soul sand.
  • The longest possible distance a player can jump without effects or ice is 5 blocks by just sprinting.


Java Edition pre-Classic
Cave game tech testJumping was added.
Java Edition
1.0.0Beta 1.9 PrereleaseExperience is now gained when the player is jumping.
Beta 1.9 Prerelease 2Removed the ability of gaining experience when jumping.
1.915w45aPlayer's jump height is increased from 1.125 blocks to 1.25 blocks.
1.1116w32aThe exhaustion cost per jump has been decreased from 0.2 to 0.05.
The exhaustion cost per sprint-jump has been decreased from 0.8 to 0.2.
1.1720w49aPlayer's jump while sneaking ignores sculk sensors.
Pocket Edition Alpha
Pre-releaseJumping was added.