The unit is simply a particular example of the quantity concerned which is used as a reference, and the number is the ratio of the value of the quantity to the unit.

For your convenience, we have included a guide for interconversion of conventional and SI units, along with defi nitions of abbreviations used. The following table lists gravimet-ric and possible …

* The official SI quantity is electrical current, and the base unit is the ampere. Electrical current is the.

In the above examples, we cross canceled the like unit from the numerator and denominator, just like we would cancel common factors when reducing fractions. This makes it easy to see …

pounds per square inch (psi) =

All quantities (mass, length, density, speed, force, pressure, energy, power) listed in these conversion tables can be ultimately expressed in the following three basic units: M = mass, L = …

This appendix presents the SI and English (imperial) units, which are used in various areas of trans-portation engineering, and their conversion factors. Some metric units and factors that …