what is hands for horses?
<answer> A non-SI unit of measuring the height of horses. <context> For the handbreadth or handsbreadth, see Palm (length). The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm). It is used to measure the height of horses in some English-speaking countries, including Australia, Canada, the Republic of Ireland, the United Kingdom and the United States. It was originally based on the breadth of a human hand.