Dimensionless physical constant

In physics, a dimensionless physical constant (sometimes fundamental physical constant) is a universal physical constant. Because its numerical value is the same under all possible systems of units, it is a dimensionless quantity. Fundamental physical constant may also refer (as in NIST) to fundamental but dimensional physical constants such as the speed of light c, vacuum permittivity, and the gravitational constant G. While both mathematical co... more

These people have edited this topic:

Edit this topic
Edit and Show details

Add or delete facts, download data in JSON or RDF formats, and explore topic metadata.

Freebase Logo
What is Freebase?

Freebase is a huge collection of facts, built by people like you. Freebase connects facts in ways other sites can't, giving you new ways to explore millions of subjects.
You can help improve it!

Freebase Attribution

Freebase data is free for use under the CC-BY license.

The original description for Dimensionless physical constant was automatically generated from Wikipedia.org licensed under the GNU Free Documentation License.
[1]
Learn more about Freebase licensing and attribution