How does the Jump Height Calculator work?

Physics: max height = g × (hang time / 2)² / 2 where g = 9.81 m/s² Then: Or: max height = hang time² × g / 8 Then: Flight time is typically measured by a contact mat or slow-motion video.

Can you give an example of how to use the Jump Height Calculator?

Example: Input Hang time 0.6 seconds gives a result of 44 cm jump height (0.6² × 9.81 / 8 = 0.441 m).

Is the Jump Height Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Jump Height Calculator?

Our Jump Height Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Practic

Jump Height Calculator

Hang time (seconds)

Time both feet are off the ground

A jump height calculator converts hang time (time both feet are off the ground) into maximum jump height, using projectile motion physics. It is used to measure athletic explosive power.

Jump height	Level
< 40cm	Below average
40–55cm	Average
55–65cm	Good
65–76cm	Very good (elite sport)
> 76cm	Exceptional

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Did You Know?

Michael Jordan's vertical leap was measured at 109 cm (43 inches) at the NBA combine — equivalent to a hang time of about 0.94 seconds.

References

›Vertical jump — Wikipedia

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Jump Height Calculator

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Vertical jump benchmarks (males)

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Jump Height Calculator