Dunk Calculator - How High Do You Need to Jump?

Your details

Your full standing height. In imperial, enter total inches (e.g. 72 for 6 ft). Used to estimate your standing reach if you do not enter one.
in
Standing reach is measured flat-footed with one arm fully extended overhead. If you have this number, the result will be more accurate.
Standard NBA / FIBA rim is 10 ft (120 in / 305 cm). Youth rims are often 8 or 9 ft. Change this for lower rims.
in
How many inches (or cm) above the rim your wrist needs to clear for a controlled dunk. 6 inches is the standard reference used by coaches; more gives a more powerful dunk.
in
Vertical jump to dunkElite level needed
30.2in

Vertical jump required to dunk with your clearance setting

Vertical jump to touch rim24.2in
Vertical jump for windmill36.2in
Standing reach (used)95.8in
Hang time0.792s
Effective hang time0.353s
Takeoff velocity3.88m/s
Can dunk?Challenging - elite athletic level needed
Touch rim24.2
Dunk30.2
Windmill36.2

Challenging - elite athletic level needed

  • You need to jump 30.2 in to get your wrist over the rim with your chosen clearance.
  • Just touching the rim requires a 24.2 in vertical - a useful short-term training milestone.
  • Standing reach was estimated at 95.8 in (roughly 1.33 times your height). Measure yours flat-footed with your arm extended for a more accurate result.
  • A Vince Carter-style windmill needs about 36.2 in of vertical - roughly 12 inches above the rim.
  • That vertical gives you about 0.792 s of hang time in the air.

Next stepPrioritise plyometric training (depth jumps, box jumps, jump squats) and hip-flexor stretching to close the gap.

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