Confidence votes 7.4K. Height at Age 8 The AVERAGE 8 year old measures 4' 1. Don't forget that these measurements are AVERAGE. Half of children will be taller than this and half will be shorter.Children usually take after their parents so tall parents will have tall children, small parents will have small children.onfidence votes 7.4K. Height at Age 8 The AVERAGE 8 year old measures 4' 1. Don't forget that these measurements are AVERAGE. Half of children will be taller than this and half will be shorter. Children usually take after their parents so tall parents will have tall children, small parents will have small children.
Swing weight is the combination of the racquet's length, stationary weight, and balance point. Together, these factors determine if a racquet feels light or heavy when it's in motion. High stationary weight, head-heavy balance, and a length longer than 27 inches all increase swing weight.
  The number on the grip end of a tennis racquet indicates the numerator part of the fractional width of the grip in eighths of an inch. The most common number used is '3' â¦ , meaning that the grip is 3/8 wide.Other common numbers are '4' for 4/8 wide, and '5' for 5/8 wide.s with golf, the numbers are used to distinguish your ball(s) from the identical-looking ones being used by other players near you.