October 18, 2010 marked the 50th anniversary of the International System of Units, also known as the SI System. Resolution 12 of the 11th meeting of the CGPM (1960) established the system as the world ...

The International System of Units (SI Units), adopted in 1960, is the global standard for consistent measurement, replacing disparate systems. It has 7 base si units and all other units are derived ...

This Discussion Meeting will review the relation of the International System of Units to the fundamental constants of physics and progress towards the redefinitions.

What unit of measurement should be used for specific reports? Whether printing out a check register or calculating square footage, using the correct team is essential. A size mistake can lead to ...

The new kilogram (unit of weight) and three other new base units - ampere (electric current), Kelvin (temperature) and mole (amount of substance such as atoms) - will now not be based on 'physical ...