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**Part Per Quadrillion**

**Part Per Quadrillion (ppq)**is a unit in the category of

*Fraction*. It is also known as parts per quadrillion. This unit is commonly used in the INT unit system. Part Per Quadrillion (ppq) 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-015.

Other units in the category of Fraction include Carat (karat) (ct, Kt), Part Per Billion (ppb), Part Per Hundred (pph, %), Part Per Hundred Million (pphm), Part Per Hundred Thousand (ppht), Part Per Million (ppm), Part Per Tera (ppt), and Part Per Thousand (ppt).

**Additional Information**

**Related Glossary Pages**

Glossary: Units: Volume: Pottle (UK)

Glossary: Units: Electric Conductivity: Siemens Per Meter

Glossary: Units: Amount of Substance: Mole

Glossary: Units: Area: Square Pole

Glossary: Units: Thermal Heat Capacity: Joule Per Gram

Glossary: Units: Radioactivity Concentration: Curie Per Liter

Glossary: Units: Mass: Pound (UK, Obsolete Hay)

Glossary: Units: Permeability Coefficient: Kilogram Meter Per Newton Per Second

Glossary: Units: Volume: Quarter (UK, Capacity)

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