The results of your hearing test are plotted on a chart called an audiogram. Loudness is plotted from top to bottom. The top of the graph is very quiet and the bottom of the graph is very loud. Frequency, or pitch, from low to high, is plotted from left to right. Hearing level (HL) is measured in decibels (dB) and is described in general categories. The general hearing loss categories used by most hearing professionals are as follows:

  • Normal hearing (0-25 dB HL)
  • Mild hearing loss (26-40 dB HL)
  • Moderate hearing loss (41-70dB HL)
  • Severe hearing loss (71-90 dB HL)
  • Profound hearing loss (greater than 91 dB HL)