The standard measurement for determining the height of a horse is called a hand. A pony is any equine under 14.2 hands. The only equines not measured in hands are Miniature Horses that are measured in inches or centimeters.

The standard measurement for determining the height of a horse is called a hand. A pony is any equine under 14.2 hands. The only equines not measured in hands are Miniature Horses that are measured in inches or centimeters.