Dunk Calculator
See how high you need to jump to dunk a basketball.
Open CalculatorBasketball Calculator
Calculate your vertical jump by comparing your standing reach and your max touch height. This gives you a clear performance number you can track over time.
Measure from the floor to the highest point you can reach while standing flat-footed with one arm extended.
Jump as high as you can and measure the highest point you can touch. This is your max touch height.
Stand next to a wall with both feet flat on the floor. Reach up as high as you can with one arm, keeping your fingertips extended. Mark the highest point you can touch, then measure from the floor to that mark.
Jump from a standing position and touch as high as you can. Mark or measure the highest point you reach, then measure from the floor to that point. Keep your hand fully extended for an accurate reading.
Vertical Jump = Max Touch Height - Standing Reach
Example: Standing Reach = 96 inches and Max Touch Height = 126 inches. The vertical jump is 30 inches.
Use plyometrics, squats, and explosive training to improve jump output.
A strong arm swing can add momentum and help maximize your jump height.
Approach speed and takeoff timing can make a big difference in your max touch.
Rest, mobility, and consistency help you keep improving without burning out.