Basketball Calculator

Dunk Calculator

Find out how high you need to jump to dunk a basketball. Enter your standing reach and rim height to calculate the minimum vertical jump required.

Cartoon basketball dunk

📏 Your Measurements

Measure from the floor to the highest point you can reach with one arm.

This calculator uses a standard 10-foot rim plus 6 inches of clearance to help get the ball over the rim.

📋 How To Measure

1. Standing Reach

Stand next to a wall. 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.

How to measure standing reach

💡 About The Calculation

This calculator uses a standard basketball rim height of 120 inches, which is 10 feet. It then adds 6 inches of extra clearance to estimate how high you need to get the ball above the rim.

Formula: Required Vertical Jump = 126 inches - Standing Reach.

🏆 Tips To Dunk

Increase Vertical

Use strength, power, and plyometric training to improve your jump.

Improve Technique

Approach angle, timing, and arm swing can make a big difference.

Stay Consistent

Track your progress and train regularly to improve results.

Be Patient

It takes time to build explosive power. Stay consistent and keep working.