Units of measurement use the International System of Units, better known as SI units, which provide a standard for measuring the physical properties of matter. Measurement like energy finds its use in a number of places right from education to industrial usage. Be it buying grocery or cooking, units play a vital role in our daily life; and hence their conversions. unitsconverters.com helps in the conversion of different units of measurement like W*s to hp*h through multiplicative conversion factors. When you are converting energy, you need a Watt-Second to Horsepower (metric) Hour converter that is elaborate and still easy to use. Converting W*s to Horsepower (metric) Hour is easy, for you only have to select the units first and the value you want to convert. If you encounter any issues to convert Watt-Second to hp*h, this tool is the answer that gives you the exact conversion of units. You can also get the formula used in W*s to hp*h conversion along with a table representing the entire conversion.