A normal Roblox jump usually lasts about 0.5 seconds in the air from takeoff to landing, with one test report showing an average of 520 milliseconds. Roblox’s jump timing is generally well under 1 second unless special movement or jump mechanics are involved.

Quick Scoop

  • Typical airtime: about 0.5 seconds.
  • Reported average: 520 ms in a player timing test.
  • Upper end for normal play: still usually under 1 second.

What that means

If you tap jump in a standard Roblox game, the whole jump is pretty brief — more like a quick hop than a long float. In practice, it feels close to half a second unless the game changes jump power, gravity, or uses special movement scripts.

For animators and devs

Roblox jump animations and fall animations are often treated separately, so the visual jump may not match the exact airtime one-to-one. Developer discussions commonly reference roughly 1 second for a full jump animation setup, while the actual airborne phase is shorter.

Practical rule

  • Player airtime: ~0.5 seconds.
  • Animation timing: can be around 1 second depending on how it’s built.

TL;DR: a normal Roblox jump lasts about half a second , give or take a little.