Calculate 8-hour Time-Weighted Average (TWA) and Noise Dose

The calculator can be used when the daily noise exposure is composed of two or more periods of noise exposure of different levels in different locatios.

OSHA's maximum allowable daily 8-hour TWA with protection is 90 dBA or 100% noise dose.

Location
Noise Exposure
Duration
 
dB(A)
H : M
 
         
:
:
:
:
:
         
   
Exposure Time
Dose
TWA
  Result:
0:0
%
0dB


Summary:
Action Required:

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