SI units system | Bossard Group

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SI units system

SI is the modern system of units for measurement, accepted and used world wide. It is used in all areas of international standards and is commonly referred to as the metric system. SI is used in all areas of science, technology and trade and is applied in the same way world wide. SI is built of: Base units, Supplementary units, Additional units, Prefixes. The figures given in the conversion tables are rounded up to 3 or 4 digits.
Basic units of the SI system
SI units system
Derived SI units
Derived SI units