International System of Units - Wikipedia, the free encyclopedia
The International System of Units (abbreviated SI from the French Le S ystème I nternational d'Unités) is the modern form of the metric system and is generally a system devised ...

International System of Units from NIST
Definitions of SI units and SI prefixes, units outside the SI, rules and style conventions, historical context for SI units, international aspects of the SI, and unit conversions.

SI System
An introduction to the SI-system ... The SI system (International System of Units) is the modern metric system of measurement and the dominant system of international commerce and ...

si definition | Dictionary.com
Merriam-Webster's Medical Dictionary - Cite This Source - Share This Main Entry: SI Function: abbreviation Etymology: French Système International d'Unités International System of Units

BIPM - SI
The International System of Units (SI) ... The 11th General Conference on Weights and Measures adopted the name Système International d'Unités (International System of Units ...