AWS A1.1:2001

The most accepted version of the International System of Units (SI). Included are the base units, supplementary units, derived units, and most important, the rules. Also covered are conversion factors and rules for their use in converting customary inch-pound units to SI units. Recommendations are presented for style and usage in such areas as prefixes, punctuation, number grouping, etc. Includes invaluable suggestions on managing transition.