Coma severity based on Eye (4), Verbal (5), and Motor (6) criteria.
Neurology Calculator
Glasgow Coma Scale Calculator
Calculate the total GCS score from Eye, Verbal, and Motor responses.
Clinical note: Use this score alongside the full clinical assessment,
patient history, pupil findings, vital signs, injury mechanism, and local protocols.
The Glasgow Coma Scale (GCS) is a clinical tool used to assess a person’s level of consciousness after a brain injury or in any condition that affects consciousness. It evaluates three key functions:
- Eye Opening (E) – scored 1 to 4
- Verbal Response (V) – scored 1 to 5
- Motor Response (M) – scored 1 to 6
The scores from each category are added to give a total score ranging from 3 to 15:
- 13–15: Mild brain injury or normal consciousness
- 9–12: Moderate brain injury
- 3–8: Severe brain injury or coma
The GCS is widely used in emergency and critical care settings to monitor changes in a patient’s neurological status and guide clinical decision-making.

