What is a kilogram?
The SI unit of mass, the kilogram (kg), is defined as being equal to the mass of the international prototype of the kilogram, the IPK. The origins of the kilogram date from 1799, when a cylinder of pure platinum was manufactured to have the same mass as one cubic decimetre (equivalent to a litre in today’s terms) of water at 4 ºC. (more…)
This website uses cookies. To accept our Cookies policy please click “Agree” button and continue to the website. Cookies policy and more information about the cookies we use, can be found here
The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.
