 Fraction Units: Part Per Billion     FREE Publications LEDs Magazine Chemical Engineering  World Pumps  Paint & Coatings Control Engineering Filtration+Separation Business Aviation Vision Systems Design more     Materials  Design  Processes  Units  Formulas  Math Glossary » Units » Fraction » Part Per Billion Part Per Billion (ppb) is a unit in the category of Fraction. It is also known as parts per billion. This unit is commonly used in the INT unit system. Part Per Billion (ppb) has a dimension of nil (fraction) where L is length, T is time, N is amount of substance, and I is electric current. It can be converted to the corresponding standard SI unit by multiplying its value by a factor of 1E-009.

Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Fraction include Carat (karat) (ct, Kt), Part Per Hundred (pph, %), Part Per Hundred Million (pphm), Part Per Hundred Thousand (ppht), Part Per Million (ppm), Part Per Quadrillion (ppq), Part Per Tera (ppt), and Part Per Thousand (ppt).  Home  About Us  Privacy  Disclaimer  Contact Copyright © 2020 eFunda, Inc.