Axis

Sound pressure & intensity

micropascalµPa

The reference pressure of the dB SPL scale (20 µPa).

Dimension
pressure
Canonical signature
L^-1*M*T^-2
System
si
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 µPa = 0.000001 Pa
Conversion type
linear
Aliases
uPa, micropascals

Same dimension

Common conversions

Every conversion routes through the canonical base of the dimension.

1 µPa = 0.000001 Pa

Exact relationship

10 µPa = 0.00001 Pa

Exact relationship