Dunk Calculator
Find out how high you need to jump to dunk a basketball based on your height and reach.
Dunking a basketball is a dream for many athletes. This calculator helps you determine exactly how much vertical leap you need to get the ball over the rim.
Calculator Inputs
Reach up flat-footed against a wall
Results
Enter values above to see your results
How It Works
We calculate the gap between your standing reach and the rim, then add 6 inches (to clear the ball over the rim).
Worked Examples
Standing Reach 8'0", Rim 10'0"
120 inches= Target96 inches= Start120 - 96= 24 inches24 + 6= 30 inches vert neededTips & Best Practices
- •A standard rim is 10 feet (120 inches) high.
- •You typically need to clear the rim by at least 6 inches to dunk cleanly.
- •Improving core strength and plyometrics are key to increasing vertical.
Frequently Asked Questions
How do I measure standing reach?
Stand flat-footed against a wall. Reach one arm up as high as possible. Mark the highest point of your fingertips.
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