Axis

Sound level

decibel SILdB SIL

Sound intensity level relative to 10⁻¹² W/m².

Dimension
M/T⁻³
Canonical signature
M*T^-3
System
common
Exactness
Exact by definition

Definition record

How this unit is defined

Canonical base
1 dB SIL = 1.25892541179e-12 W/m²
Conversion type
log
Aliases
sound intensity level, dB intensity

Same dimension

Related units

watt per square metresiW/m²BTU per hour-ft²imperial usBTU/(h·ft²)watt per steradian square metresiW/(sr·m²)

Common conversions

Every conversion routes through the canonical base of the dimension.

1 dB SIL = 1.25892541179e-12 W/m²

Exact by definition relationship

10 dB SIL = 1e-11 W/m²

Exact by definition relationship