List of international common standards

A list of international common and basic technical standards, which have been established worldwide and are related by their frequent and widespread use. These standards are conventionally accepted as best practice and used globally by industry and organizations.

In circumstances and situations there are certain methods and systems that are used as benchmarks, guidelines or protocols for communication, measurement, orientation, reference for information, science, symbols and time. These standards are employed to universally convey meaning, classification and to relate details of information.

The standards listed may be formal or informal and some might not be recognised by all governments or organizations.

Communication
In radio communications
 * Braille
 * International Code of Signals
 * International Maritime Signal Flags
 * International Phonetic Alphabet


 * Radiotelephony procedure
 * Procedure word
 * International Radiotelephony Spelling Alphabet
 * Aeronautical Code signals
 * Maritime Mobile Service Q Codes
 * Standard Marine Communication Phrases
 * Brevity code
 * Q code
 * Call sign

In electronics
 * Unicode

Agriculture & Manufacturing

 * ISO 216 or A4 paper
 * Codex Alimentarius

Measurement

 * International System of Units
 * Standard mathematical notation
 * Metric system

Reference for information
In geographical location
 * Barcode
 * International Standard Book Number
 * QR code
 * Uniform resource locator
 * vCard
 * Cartography
 * Geotagging
 * Geographic coordinate system

Science

 * Medical classification

Symbols
In electronics
 * Chemical symbols
 * Hazard symbol
 * International Symbol of Access
 * Electronic symbols, for circuit diagrams
 * Media control symbols
 * Power symbol

Time

 * Time zones
 * Universal Time