American National Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)

Abstract

Superseded by 260.1-2004. General principles of letter symbol standardization are discussed. Symbols are given for general use and for use with limited character sets. The symbols given are intended for all applications, including use in text and equations; in graphs and diagrams; and on panels, labels, and nameplates.

Scope

This standard covers letter symbols for units of measurement. It does not include abbreviations for technical terms, nor does it cover symbols for physical quantities. The symbols given in this standard are intended for all applications, including use in text and equations; in graphs and diagrams; and on panels, labels, and nameplates.

Topic

General Topics for Engineers