IEEE 260-1978
IEEE Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
IEEE 260-1978 is a standards document for letter symbols used with units of measurement, covering SI units, customary inch-pound units, and certain other units. It is relevant to engineers who need consistent notation in calculations, drawings, specifications, and technical reporting. By standardizing symbols, IEEE 260-1978 helps reduce ambiguity when measurements are exchanged across design, testing, and documentation workflows in general engineering practice.
About IEEE 260-1978
This standard focuses on the proper use of letter symbols for units, helping ensure that measurement notation is clear and consistent in technical work. IEEE 260-1978 addresses a practical need in engineering: using familiar symbols correctly when writing dimensions, values, and unit references in both SI and inch-pound contexts. As a superseded standard, it is still useful as a reference for older documents, archived drawings, and legacy engineering records that rely on its conventions.
Where is IEEE 260-1978 used?
IEEE 260-1978 is typically used in engineering documentation where measurements must be presented in a controlled and readable format. This may include design notes, specification sheets, test reports, procurement documents, and maintenance records. It is especially relevant when teams work with mixed unit systems or need to interpret older technical material. In general engineering environments, the standard supports consistent communication across drafting, analysis, and quality review activities.
Importance in practice
In practice, IEEE 260-1978 helps reduce errors caused by inconsistent or incorrect unit symbols. That matters when a small notation mistake could affect design interpretation, test results, or purchasing decisions. Using a defined standard for symbols supports clearer compliance reviews, more reliable technical communication, and better control over legacy and current documentation. IEEE 260-1978 can also help organizations maintain uniformity when comparing data across SI and customary unit usage.
- Letter symbols for measurement units
- SI and inch-pound notation guidance
- Technical documentation consistency
- Useful for legacy engineering records
- Publication Date: 1978
- Standard Status: Superseded
- Publisher: IEEE
- Subject: General Topics for Engineers
- Official IEEE: Doi link
- This Version: 260 (1978)
Please request information about the document. Contact Page
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.