How Many Tennis Balls Fit in a Square Foot?
The answer to this question depends on the size of the tennis balls. Standard-sized tennis balls measure 2.5 inches in diameter, while mini-sized tennis balls measure 1.75 inches in diameter.
Standard-Sized Tennis Balls
If you are using standard-sized tennis balls, then approximately four tennis balls can fit into one square foot. This is because each ball has a surface area of 4.91 square inches, and 12 x 12 = 144 square inches, which is equal to one square foot.
Mini-Sized Tennis Balls
If you are using mini-sized tennis balls, then approximately six tennis balls can fit into one square foot. This is because each ball has a surface area of 3.14 square inches, and 12 x 12 = 144 square inches, which is equal to one square foot.