How big is a regulation ping pong ball?

Answer by  Allstar (2071)

International table tennis competition rules currently call for a ball that is 40 millimeters in diameter and 2.7 grams in mass, though a 38 millimeter ball was once specified. Table tennis balls are made of celluloid and filled with air. When dropped from a height of 30 centimeters, they must bounce up to 23 centimeters.

Answer by  jconk (62)

The international standard for a ping pong ball is a 40mm (1.58 inches) diameter. This was recently changed. In the past, table tennis was played with a smaller ball.

Answer by  Shar (54)

Tournaments sanctioned by the International Table Tennis Federation beginning in the year 2000 were required to use a ping pong ball 40 millimeters in size and weighing 2.7 grams, which is 2 millimeters larger than the recreational 38 millimeter ping pong ball.

Answer by  XjoshhyX (132)

A regulation ping pong ball will have a 44mm in diameter and will weight approximately 2.7 grams. These are the regulations around the world, especially for the Olympics.

Answer by  ILOVEPHYSICS (21)

The rules specify that the ball weighs 2.7 grams, 40 mm diameter. They say that the ball should bounce up 23 cm when dropped from a height of 30 cm thereby having a coefficient of restitution of 0.88.

Answer by  DonnaW (50)

Ping pong is also known as table tennis. Official regulations require that the ball and table follow specific rules. These regulations specify that the ping pong ball must measure 40 millimeters in diameter, and it has to weigh 2.7 grams. It also must be round, and either white or orange.

Answer by  Jasonal98 (133)

A regulation ping-pong ball is 40 millimeters in diameter. You can find different varieties of ping-pong balls in different colors and some even glow in the dark!

Answer by  stilldebugging (35)

A regulation ping pong ball is 40mm in diameter, according to international rules. In China, though, they are more likely to use a 38mm ball.

Answer by  hunny (10)

The regulation ping pong ball is 40 mm. This is the size used in the olympics. The 40 mm ball creates less spin than a 38 mm ball which is also commonly used. The ball ways approximately 2.7 grams. The ball is made of a high-bouncing gas-filled celluloid and can be made in a variety of colors.

Answer by  ShayanFCB (366)

There are new regulations regarding ping pong balls that now call for a ping pong ball that has a size, or rather diameter, or 40 millimeters. They are typically white

Answer by  RoyalKnight (40)

The ping pong balls used in the Olympics are 40mm. This ensures less topspin than the previous standard of 38mm.

Answer by  ringneck (394)

40 mm is the size for the regulation ball. The balls that are used in major tournaments are generally orange in color.