Dimensionless Numbers

These numbers have a quantity of one and can not be measured on a scale of physical units.  It is a pure number, thus always having a dimension of 1. The number does not change even if the number system you are working in does.  Dimensionless numbers are used in engineering, mathematics, physics and economics.

For formula info see Nomenclature & Symbols for Engineering, Mathematics, and Scienceor

Display #
Title
Strouhal Number
Ursell Number
Weber Number