Glasgow Coma Scale Calculator

Inputs

GCS total 13–15 = mild TBI; 9–12 = moderate; ≤8 = severe TBI (intubation threshold)

GCS ≤8: severe TBI, consider intubation; score 3 (minimum) = deeply comatose

Motor score ≤2 (extension/no response) indicates severe neurological injury

Results

Total GCS Score

15/ 15

Eye Component4/ 4
Verbal Component5/ 5
Motor Component6/ 6
Severity1(1=Mild, 2=Moderate, 3=Severe)
Intubation Indicated (GCS ≤ 8)0(0=No, 1=Yes)