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Acoustic measurements
Volume
volume
L =
phon
x
phon
acoustic pressure which answers the tone of 1000 Hz perceived as sound of volume equal to volume of measured sound
p̃ =
Pa
x
μPa
mPa
Pa
kPa
MPa
GPa
bar
kgf/cm
2
mm H
2
O
mm Hg
threshold acoustic pressure
p̃
0
=
2E-5
Pa
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"