Glasgow Coma Scale (GCS 3–15) & GCS-Pupils (GCS-P) Neurological Score Calculator

Calculate GCS (3–15) and GCS-P from Eye (1–4), Verbal (1–5), Motor (1–6), and Pupil reactivity.

Total Glasgow Coma Scale (GCS)
15 points (E4V5M6)
GCS-Pupils (GCS − PRS) Score 15 pts (1–15)
Motor Subscore (Strongest Predictor) 6 pts (1–6)
Eye + Verbal Subscore 9 pts (2–9)
Inputs
⚡ Scenarios:
E (1–4)
Eye Opening (E: 1 = None, 2 = To Pressure, 3 = To Sound, 4 = Spontaneous).
V (1–5)
Verbal Response (V: 1 = None, 2 = Sounds, 3 = Words, 4 = Confused, 5 = Oriented).
M (1–6)
Motor Response (M: 1 = None, 2 = Extension, 3 = Flexion, 4 = Withdrawal, 5 = Localizing, 6 = Obeys).
PRS (0–2)
Pupil Reactivity Score (PRS: 0 = both reactive, 1 = one unreactive, 2 = both unreactive).
Results & Graph
Total Glasgow Coma Scale (GCS)
15 points (E4V5M6)
GCS-Pupils (GCS − PRS) Score
15 pts (1–15)
Motor Subscore (Strongest Predictor)
6 pts (1–6)
Eye + Verbal Subscore
9 pts (2–9)

Total Glasgow Coma Scale (GCS)

Graph 1 • Glasgow Coma Scale (GCS) • Domain Architecture & Live Telemetry Maps Eye Opening Response1to4, Verbal Response1to5, Motor Response1to6 through Glasgow Coma Scale (GCS) Formula.
Glasgow Coma Scale (GCS) • Clinical & Physiological Reference Scale Low / Baseline Target / Reference Elevated / Watch High / Action Total Glasgow Coma Scale (GCS): 15 points (E4V5M6) GCS-Pupils (GCS − PRS) Sco 15 pts (1–15) Motor Subscore (Strongest 6 pts (1–6) Eye + Verbal Subscore 9 pts (2–9)
Graph 2 • Total Glasgow Coma Scale (GCS) Across Eye Opening Response1to4 Sweep (40% → 160%) Evaluates GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6); GCS-P = GCS − Unreactive across 7 operating points (current input highlighted).
0 points 8.25 points 16.50 points 13 1.60 13 2.40 14 3.20 15 4 15 4.80 15 5.60 15 6.40
Graph 3 • Joint Sensitivity: Eye Opening Response1to4 × Verbal Response1to5 Compares Total Glasgow Coma Scale (GCS) when Verbal Response1to5 is shifted +25% (solid) vs. −25% (dashed).
0 points 8.25 points 16.50 points --- Verbal Response1to5 @ 75% 14 -30% 14 -15% 15 +0% 15 +15% 15 +30%
Summary: GCS is 15/15 (E4V5M6 — Mild TBI (13–15)) and Pupil-Adjusted GCS-P is 15/15.
Summary: GCS is 15/15 (E4V5M6 — Mild TBI (13–15)) and Pupil-Adjusted GCS-P is 15/15.
Interactive chart & math engine powered by CalculatorGraph

Formula & Mathematical Methodology: Glasgow Coma Scale (GCS) Formula

GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6)
GCS-P = GCS − UnreactivePupilsCount (0, 1, or 2)
GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6); GCS-P = GCS − UnreactivePupilsCount (0, 1, or 2)
  • eyeOpeningResponse1to4: Eye Opening Response1to4 (E (1–4))
  • verbalResponse1to5: Verbal Response1to5 (V (1–5))
  • motorResponse1to6: Motor Response1to6 (M (1–6))
  • unreactivePupils0to2: Unreactive Pupils0to2 (PRS (0–2))

Rounding: Clinical scores round to statutory integer or decimal precision; physiological metrics round to 2 decimal places.

Worked Example: Clinical / Physiology Scenario: Glasgow Coma Scale (GCS)

Calculate GCS (3–15) and GCS-P from Eye (1–4), Verbal (1–5), Motor (1–6), and Pupil reactivity.

  1. Enter lab values, anthropometric measurements, or performance test metrics.
  2. Evaluate the reference equation: GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6); GCS-P = GCS − UnreactivePupilsCount (0, 1, or 2).
  3. Inspect the primary classification, supporting indices, and 3 SVG charts.
Result: Computes Glasgow Coma Scale (GCS) via GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6); GCS-P = GCS − UnreactivePupilsCount (0, 1, or 2).

Frequently Asked Questions

How does the Glasgow Coma Scale (GCS 3–15) & GCS-Pupils (GCS-P) Neurological Score Calculator compute its result?

It evaluates GCS = Eye (1–4) + Verbal (1–5) + Motor (1–6); GCS-P = GCS − UnreactivePupilsCount (0, 1, or 2) directly in your browser and updates three custom SVG visualizations in real time.

Can I use Goal Seek to solve backwards for a target lab value or pace?

Yes. Click "🎯 Goal Seek" in the results toolbar to solve backwards for any numeric input parameter.

Are my health and biometric inputs kept private?

Yes. All calculations run 100% locally on your device with zero external transmission.

Health & Fitness · Neurology, Trauma & Emergency

Glasgow Coma Scale (GCS 3–15) & GCS-Pupils (GCS-P) Neurological Score Calculator: inputs, method, and how to read the result

Calculate GCS (3–15) and GCS-P from Eye (1–4), Verbal (1–5), Motor (1–6), and Pupil reactivity.

Choose inputs for the case you are checking

The defaults are illustrative. Replace them with values for your case and keep the units shown beside each field.

  • Eye Opening Response1to4: Eye Opening (E: 1 = None, 2 = To Pressure, 3 = To Sound, 4 = Spontaneous).
  • Verbal Response1to5: Verbal Response (V: 1 = None, 2 = Sounds, 3 = Words, 4 = Confused, 5 = Oriented).
  • Motor Response1to6: Motor Response (M: 1 = None, 2 = Extension, 3 = Flexion, 4 = Withdrawal, 5 = Localizing, 6 = Obeys).
  • Unreactive Pupils0to2: Pupil Reactivity Score (PRS: 0 = both reactive, 1 = one unreactive, 2 = both unreactive).

What the calculation includes

With the default values shown, Total Glasgow Coma Scale (GCS) is 15 points (E4V5M6). The calculation follows Glasgow Coma Scale (GCS) Formula; the formula and variable definitions above show how the inputs combine.

One-input check: With the other defaults held constant, changing Eye Opening Response1to4 from 4 E (1–4) to 3 E (1–4) changes Total Glasgow Coma Scale (GCS) from 15 points (E4V5M6) to 14 points (E3V5M6). This is a comparison inside the calculator's stated model, not a prediction.

Where to use caution

  • Uses peer-reviewed clinical and sports physiology formulas.
  • For educational and informational reference only; clinical scores do not replace physician judgment or laboratory reference ranges.

Scope: Global Clinical & Sports Science Consensus Check the assumptions and limitations against your situation before relying on the estimate.

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