Most people leave a hearing test with a graph, a few symbols, and a vague sense that someone said their hearing is “mild” or “within normal limits”. If you are not sure what any of it actually means in day-to-day life, you are not alone. Knowing how to read hearing test results can help you ask better questions, understand whether there is a true problem, and see why the right next step is not always a hearing aid.
A hearing test result is usually presented as an audiogram. This is a chart that shows the quietest sounds you were able to hear at different pitches. It gives your audiologist a clear picture of how your ears are functioning, but it can look more technical than it really is. Once you know what the axes, symbols, and numbers represent, the pattern becomes much easier to follow.
How to read hearing test results on an audiogram
The audiogram has two key directions. Across the bottom, you will see frequency, measured in Hertz or Hz. This tells you the pitch of a sound, from low-pitched sounds on the left to high-pitched sounds on the right. Low frequencies include deeper vowel sounds and background hums. Higher frequencies include consonants such as s, f, th and sh, which are often the first speech sounds to become harder to hear.
Down the side, you will see hearing level, measured in decibels hearing level or dB HL. This is not the same as how loud a sound feels in the real world. On an audiogram, it shows how loud a sound needed to be before you could hear it during the test. The higher down the chart the mark appears, the louder the sound had to be. So, somewhat counterintuitively, points nearer the top of the graph indicate better hearing, while points lower down suggest reduced hearing sensitivity.
In most adult hearing tests, the right ear is marked with a red O and the left ear with a blue X. Other symbols may appear if bone conduction testing has been carried out. Bone conduction helps your audiologist work out whether the hearing loss is conductive, sensorineural, or mixed. That distinction matters because it points towards different causes and different treatment plans.
What the numbers usually mean
As a general guide, hearing thresholds from 0 to 20 dB HL are often considered within normal limits for adults. In children, we tend to be stricter because even slight hearing difficulties can affect speech, language and learning.
When thresholds drop below that range, clinicians often describe the degree of hearing loss like this:
- 21 to 40 dB HL – mild hearing loss
- 41 to 70 dB HL – moderate hearing loss
- 71 to 95 dB HL – severe hearing loss
- Over 95 dB HL – profound hearing loss
These categories are helpful, but they do not tell the whole story. Two people can both be told they have mild hearing loss and have very different experiences. One may struggle mainly in restaurants or meetings. Another may be coping well in quiet settings but missing speech clarity when there is background noise. The shape of the hearing loss matters just as much as the label.
A sloping loss, where hearing is better in the low pitches and poorer in the high pitches, is very common. This pattern often affects speech clarity more than volume. People with this type of result often say, “I can hear people talking, but I cannot always make out the words.” That is because the softer high-frequency consonants are less audible.
A flat loss means thresholds are reduced across most frequencies by a similar amount. In practical terms, sounds may simply seem quieter overall. A rising loss, where low frequencies are poorer than high frequencies, is less common but can be seen in certain medical conditions. A notched loss, particularly around 4,000 Hz, can suggest noise-induced hearing damage.
Air conduction and bone conduction explained
If your test included headphones as well as a small vibrating device placed behind the ear, your report may show both air conduction and bone conduction results. This is one of the most clinically useful parts of the assessment.
Air conduction measures how sound travels through the whole hearing pathway – the outer ear, eardrum, middle ear, and inner ear. Bone conduction bypasses the outer and middle ear and sends sound directly to the inner ear. By comparing the two, your audiologist can identify where the problem is likely to sit.
If both air and bone conduction thresholds are reduced to a similar degree, that points more towards sensorineural hearing loss, which usually involves the inner ear or hearing nerve. This is the most common type of permanent hearing loss.
If air conduction is poorer than bone conduction, there is an air-bone gap. That suggests a conductive element, meaning sound is being blocked or reduced somewhere in the outer or middle ear. Earwax blockage, middle ear fluid, eardrum problems, or ossicle issues can all play a part. This is why a hearing test should never be interpreted in isolation from an ear examination.
Why speech test results matter too
Pure tone testing shows the quietest tones you can hear, but hearing in daily life is not made up of beeps. It is made up of conversation, competing noise, accents, distance, and speed of speech. That is why many assessments also include speech testing.
Speech results may be recorded as a percentage score, showing how many words you repeated correctly at a set level. If this score is lower than expected, it can suggest that clarity is affected as well as sensitivity. This is particularly relevant when deciding whether hearing aids are likely to help and how they should be programmed.
Sometimes a person has only a mild hearing loss on the audiogram but reports major difficulty hearing in busy places. In those cases, speech-in-noise testing, auditory processing factors, tinnitus, listening fatigue, or hidden hearing difficulties may need to be considered. Good audiology is not about reading one graph and stopping there.
How to read hearing test results without overinterpreting them
One of the common mistakes people make is treating the audiogram like a final diagnosis. It is not. It is an important clinical tool, but it needs context.
For example, a mild high-frequency loss in both ears in an older adult may fit the expected pattern of age-related hearing loss. The same result in a younger adult with sudden symptoms, one-sided tinnitus, dizziness, or a blocked sensation may need more urgent investigation. Likewise, a conductive loss may be temporary and medically treatable, whereas a sensorineural loss is more likely to need long-term rehabilitation.
It also matters whether the loss is symmetrical. Similar hearing in both ears is often less concerning than a significant difference between ears. Asymmetrical hearing loss does not always mean something serious, but it does require proper clinical assessment.
You should also pay attention to reliability. If you were congested, tired, distracted, or testing a young child, results may need cautious interpretation. In paediatric audiology especially, the method of testing, the child’s developmental stage, and how consistently they responded all shape how confidently results can be read.
What your hearing test may say about treatment
A hearing test result does not automatically mean you need hearing aids. It may point instead to wax removal, medical review, monitoring, communication strategies, tinnitus support, or further diagnostic testing.
If the hearing loss is conductive, treatment may focus on the underlying cause. If it is sensorineural and affecting communication, hearing aids may be the most effective next step. If tinnitus or sound sensitivity is part of the picture, management may need to go beyond amplification alone.
This is where specialist assessment matters. A premium ear clinic should not simply identify that hearing has changed. It should explain why that matters for your life, whether the pattern fits your symptoms, and what can realistically improve things. At Tragus-The Ear Specialists, that clinical reasoning sits at the centre of care, particularly for patients whose concerns involve tinnitus, complex hearing loss, or children’s assessments.
When to ask more questions about your results
If you have been given an audiogram but still feel unclear, ask your audiologist to explain three things in plain language: what type of hearing loss you have, how it is likely to affect everyday listening, and what options exist beyond “wait and see”. A good clinician should be able to translate the chart into practical consequences.
You should also ask if anything about the result needs medical follow-up. Sudden hearing changes, one-sided losses, ear pain, discharge, vertigo, or asymmetrical findings all deserve careful attention. Equally, if a child’s results are borderline or inconsistent, it is sensible to ask what testing method was used and whether repeat assessment is needed.
Understanding your audiogram can be empowering, but it should not leave you diagnosing yourself from symbols on a page. The real value lies in what happens next – a proper explanation, a treatment plan that fits the cause, and support that helps you hear the world in high-definition once more. If your test results raise questions, that is not a problem to brush aside. It is the right moment to get expert answers.