Hearing Handicap Calculator - NIOSH
 Hearing Impairment Calculator - NIOSH - 1972
  See About Derivation of Calculator
1000 Hz

2000 Hz

3000 Hz
bullet All frequencies must 
be filled in with values in dB.
Right Ear
bullet If hearing threshold is greater than 100 dB enter 100 dB. Left Ear
bullet If hearing threshold is less than zero dB enter 0 dB.  
Enter Patient's Age at time of Audiogram:

bullet Patient's age must be greater than 18 yrs to calculate presbycusis.

Calculate Hearing Impairment


Directions:  Age is entered in years.  Two decimal points can be entered.  To calculate age from the patient's birth date to the audiogram's test date, use the "Find Years From Dates" screen button. 

Copyright:  Kevin Kavanagh  2001,  All rights reserved      Search Website