Check this website:
http://squashclub.org/main/e-lessons/lessons/beginner_lessons/grip.shtml
I found a series of videos on youtube very useful. Follow the link below for the first video.
To measure the grip size of a tennis racquet, use a ruler to measure the length from the middle crease of your palm to the tip of your ring finger. The measurement in inches corresponds to the grip size of the racquet.
bark racquet
squash
Grip tape is needed to have good tension with your racquet, the better you can hold the racquet the better of your game
It could refer to the game of squash, a racquet sport, or to any of several varieties of vegetable gourd.
The grip size of a tennis racquet is typically located on the butt cap of the handle. It is usually indicated by a number, such as 4 1/4 or 4 3/8, which represents the circumference of the grip in inches.
The thickness of you racquet grip won't affect your play much. But, if after you have played a game and your wrist hurts, it means that your grip is a bit too thin. So get a thicker grip. Generally the thicker your grip the more control you have over your shots. It varies depending on how you play.
grip size on tennis rackets is the diameter of the handle on the bottom of the tennis racket.
the "end" cap
To determine the appropriate grip size for a tennis racquet, measure the distance from the middle crease of your palm to the tip of your ring finger. This measurement will help you choose the right grip size, which is important for comfort and control while playing tennis.
Tennis, Squash or racquet ball.