You can use feet and inches if you are in the USA or you can use metres or centimetres as used by the rest of the world.
The unit of measurement of height in the US is based on the English units. The English unit generally used meter and kilograms while in the UK people generally used centimeters when referring to height measurement.
It is a centimetre.
The point on the horse is the height measurement taken is the withers.
measuring the height of horses
Feet.
Centimetres.
they are in Hands
Centimetres.
You would use the unit of measurement "centimeters" or "inches" to measure your classmate's height.
If you are measuring temperature, the unit of measurement is either Fahrenheit or Centigrade. If you are measuring height, the unit of measurement could be feet and inches or meters and so on.
You define the height of the object as one unit and then, to measure anything else, you count how many times larger than the unit it is.
meter