# What is the circumference of a tennis ball?

Tennis Balls have a diameter of 2.575”-2.7” (6.54-6.86 cm) and circumference of 8.09”-8.48” (20.6-21.5 cm). The mass of a Tennis Ball must be between 1.975-2.095 oz (56-59.4 g).

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## Likewise, people ask, what is the diameter of a tennis ball in MM?

Sport Ball Diameter, Sorted from Smallest to largest

sport diameter (inches) diameter (mm)
Tennis 2.575 to 2.700 65.41 to 68.58
Pétanque 2 3/8″ and 3 1/8″ 70.5 to 80
Cricket 2.80 to 2.86 71.3 to 72.9
Field Hockey 2.8 to 2.96 71.3 to 74.8
Hereof, what are the dimensions of the ball? It shall have the form of a prolate spheroid and the size and weight shall be: long axis, 11 to 11 1/4 inches; long circumference, 28 to 28 1/2 inches; short circumference, 21 to 21 1/4 inches; weight, 14 to 15 ounces.

## Beside above, what is the structure of a tennis ball?

Structure

A tennis ball basically has two components, a ball core and a felt layer. The ball core consists of two hemispheres which are glued together. It is hollow inside and consists of a rubber-like mixture of different materials.

## What size is a tennis ball CM?

Modern tennis balls must conform to certain criteria for size, weight, deformation, and bounce criteria to be approved for regulation play. The International Tennis Federation (ITF) defines the official diameter as 6.54–6.86 cm (2.57–2.70 inches). Balls must have masses in the range 56.0–59.4 g (1.98–2.10 ounces).

## What do numbers on tennis balls mean?

Tennis balls have numbers printed on them so players can distinguish their balls from balls coming from another court. Most people play tennis in an area where people are playing on adjacent courts, and it is very possible that more than one court might be using the same brand and type of ball.

## Does mass or size matter in bounce height?

The size of the ball can affect its bounce due to air resistance, surface volume and density. However, mass can also play a part in how a ball bounces. If two balls contain the same mass, but are of different sizes, the larger ball will bounce less due to greater air friction against its surface.

## What diameter is a size 7 basketball?

29.5″

Size Circumference Weight
Size 7 29.5″ 22 oz
Size 6 28.5″ 20 oz
Size 5 27.5″ 17 oz
Size 4 25.5″ 14 oz

## What is a size 3 ball?

Size 3 is the official soccer ball for toddlers and young children. It has a circumference of 23-24 inches and should weight between 11-12 ounce. Size 3 is the smallest official ball for playing actual games.

## What size is a size 3 ball?

SIZE 3. A size 3 soccer ball is typically best suited for children ages 8 or younger. Measuring 23″-24″ in circumference and weighing roughly 300-320 grams, this soccer ball size is the smallest that you’ll see in competitive play.

## How big is a size 3 footy?

Football Sizes

Football Size Typical Dimensions Use
Size 5 Long: 72.5cm Short: 55cm Official AFL ball size
Size 4.5 Long: 70cm Short: 52cm Former AFLW ball size, now used in local leagues
Size 4 Long: 69cm Short: 53cm Official AFLW ball size
Size 3 Long: 65cm Short: 49cm Children size (usually ages 6-10)