Well this is just how things happened...
A hand is the universal method of measuring the height of a horse. One hand equals 4 inches. 4 inches is the width of the average man's hand held sideways. It was a simple standard way to measure horses when people were horse trading and selling.
4 and 553 thousandths inches in standard form is: 4.553 × 100 inches.
A horse's hand is a unit of measurement used for their height at the withers, approximately 4 inches per hand. So, one hand for horses is about 4 inches in length.
Assuming you mean in the height of a horse, there are 4 inches in a hand.
There is actually a set measurement for a "hand". The length of a hand is 9 inches and is called a "span". the width of a hand is 4 inches.
A hand (or handbreadth) is a unit of length measurement, originally based on the breadth of a male human hand and now standardized at 4 inches (about 10 cm).
a hand
4 inches per hand
A hand is equal to 4 inches.
A horse hand is 4 inches.
The standard size for a floor register is typically 4 inches by 10 inches.
1 hand is 4 inches so 4 multiplied by 15 equals 60 inches. 60 inches is 5 feet tall.