Hz (hertz) = frequency

acoustic impedance = Pa·s/m^{3} (pascal-second per metre-cubed)

flux density = J·s/m^{3} (joule second per metre-squared) = W/m²

sound energy = J (joule)

sound energy density = J/m^{3}

sound energy flux density = W/m²

J/kg (joule per kilogram) = specific energy

J/m

J/s (joule per second) = power = watt (W)

kg·m² (kilogram metre-squared) = moment of inertia

kg/m

kg/s (kilogram per second) = mass flow rate

m² (metre-squared) = area

m

m

m

m/s (metre per second) = speed • velocity

m/s²) (meter per second-squared = acceleration

m/s

N (newton) = force : SI unit kg·m/s

N·m (newton metre) = torque (moment of force) = kg·m²/s², also called moment?. Less common use, energy = J (joule)

N·m·s (newton metre second) = angular momentum

N·s (newton second) = momentum, impulse

N/m² (newton per metre-squared) = Pascal.

Pa (pascal) = N/m² pressure • sound pressure

Pa·m

Pa·s/m (pascal second per metre) = specific acoustic impedance

rad/s (radian per second) = angular velocity

rad/s² (radian per second-squared) = angular acceleration

W (watt) = power, sound power

W/m² (watt per metre-squared) = sound energy flux density • sound intensity • sound power density = J·s/m²

W/m^{3} (watt per metre-cubed) = power density

W·s (watt second) = sound energy

W·s/m^{3} (watt second per metre-cubed) = sound energy density = J·s/m²

energy flux (1) = W·m² • sound energy flux a specific case

energy flux (2) = W = J/s • total rate of energy transfer

energy flux density = J/(m²·s) (joule per metre-squared second) or W/m² (watts per metre-squared)

flux density = flux per unit area

kinetic energy = joule (J)

Sound intensity is the average sound energy flowing through a specified point, the SI units are W/m²

sound energy flux = SI units W = J/s : energy flux is defined in 2 different ways. This is the total rate of energy transfer, see also *sound energy flux density*

sound energy flux density = SI units W/m², see also *sound energy flux* and sound intensity

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