Acoustic Glossary

Definitions, Terms, Units and Parameters

K

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k-

: see kilo.
 

 

kHz : kilohertz

: 1 kHz = 1000 Hz = 1000 hertz .
 

 

kilo : k

: SI prefix = 103 see other SI Units
 

 

kilogram : kg

: the base unit of mass in the SI and MKS versions of the metric system. The kilogram is defined as the mass of the standard kilogram.

1 kg = 1000 g ~ 2.204 pounds
 

 

kilogram metre : kg·m

:
1:- a metric unit of work or energy equal to 9.806 65 joules (J).
2:- a metric unit of torque equal to 9.806 65 newton metres (N·m).
 

 

kilogram metres squared per second squared : kg·m2·s-2

: energy or work, the derived SI unit is the Joule J

1 kg·m2·s-2 = 1 J = 1 N·m = 1 W·s = 107 ergs
 

 

kilogram metres per second : kg·m/s

: the SI unit of momentum.

1 kg·m/s = 1 N·s
 

 

kilogram metre per second squared : kg·m/s²

: measurement of force - the derived SI unit is the Newton :

1 kg·m·s-2 = 1 N = 105 dynes
 

 

kilogram per cubic metre : kg/m3

: density
 

 

kilogram per metre per second squared : kg/m/s²

: measurement of pressure - see the Pascal.

1 kg/m/s2 = 1 pascal (Pa) = 1 N/m2 = 1 J/m3 = 10-5 bar
 

 

kilohertz : kHz

: 1000 Hz.
 

 

kilopascal : kPa

: a common metric unit of pressure.

1 kilopascal = 1000 pascals (Pa) = 10 millibars (mb)

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