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Acoustic measurements
Sound pressure
effective value of sound pressure
p̃ =
Pa
x
μPa
mPa
Pa
kPa
MPa
GPa
bar
kgf/cm
2
mm H
2
O
mm Hg
density of medium
ρ =
kg/m
3
x
kg/m
3
kg/dm
3
g/cm
3
t/m
3
kg/l
3
g/l
3
g/ml
3
velocity of sound in medium
c =
m/s
x
m/s
km/h
cm/s
ft/s
kn
velocity amplitude, maximal vibrational speed of particles
V
m
=
m/s
x
m/s
km/h
cm/s
ft/s
kn
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"