The International System of Units
The International System of Units
In the old days the English created the imperial system (the us still use this system). But nowadays they use the metric system.
SI Units
The system of units used for measurements in chemistry is called the International System of Units (SI). It is a globally recognized system that provides a consistent set of units for measuring physical quantities.
CGS is NOT common nowadays. MKS is common because the SI, the international system of units, is based on it.
Standard units are used for measurmen as there is a system called the SI units and that is considered as the international system of units that is why we use standard units for measurment .
US system, or imperial system.
An expanded metric system called the International System of units.
The system of units used in the United States is called the United States customary units or US customary units. This system includes units such as feet, pounds, and gallons.
"neurons".
It is sometime called the Denary System or the Base 10 system. It works in units of 10.
In the United States we use US, or Customary Units, like inches, feet, etc. In most other countries they use the international system, or SI, units, like meters, kilometers, etc. In the SI system conversions are made in multiples of 10, making it simpler