New Prefixes in the SI: ronto, quecto, ronna, quetta
As of November 2022, in its first update to prefixes since 1991, the International System of Units (SI) now includes prefixes ronna, quetta, ronto, and…
US Customary System Conversions
Two systems of weights and measures are derived from English Units: the US Customary System and the British Imperial System. Neither is dominant worldwide, but…
US Customary System: An Origin Story
The United States’ uniqueness is reflected in omnifarious facets of life. Just look at units of measurement. While most nations use the metric system, the…
The “M” in Standards
Regardless of industry, each standard has a unique designation, each component of which conveys its background. In these designations, numbers (and some letters) represent the…
AWS A1.1, Metric Practice Guide for the Welding Industry
The AWS (American Welding Society) Metrication Policy states, in part, “The AWS supports a timely transition to the use of SI units.” Stipulations like this…