GCS Calculator for Paramedics
Calculate the Glasgow Coma Scale across eye, verbal and motor response. Adult and paediatric scales, automatic totalling and severity banding. Use it free in your browser below, or download the app to score offline on shift.
Free Online GCS Calculator
Tap the eye, verbal and motor responses to calculate the Glasgow Coma Scale — no download, no sign-up. Want it offline on shift? Get the free app.
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For clinical decision-making, always interpret GCS in the context of the full clinical picture and follow your local guidelines.
Why Use a Digital GCS Calculator?
The Glasgow Coma Scale is one of the most frequently recorded observations in pre-hospital care, and a miscounted total can change the airway plan, the pre-alert and the receiving team's expectations. A digital calculator removes the arithmetic, keeps the response descriptors in front of you, and surfaces the severity band the moment you finish scoring.
No Arithmetic Errors
Automatic totalling of the three components removes the risk of a miscount during a time-critical assessment.
Instant Severity Band
The total is colour-coded against the mild, moderate and severe bands, so the clinical significance is immediately clear.
Adult & Paediatric
Switch to the paediatric scale for age-appropriate verbal descriptors at the tap of a button.
The Three GCS Components
SnapMedic scores each component with the correct descriptors and totals to the GCS (3–15) automatically.
Eye Opening
Score 1–4
Spontaneous, to sound, to pressure, or none
Verbal Response
Score 1–5
Orientated, confused, words, sounds, or none
Motor Response
Score 1–6
Obeys, localises, normal/abnormal flexion, extension, or none
GCS Calculator Features
Everything a pre-hospital clinician needs for accurate consciousness assessment, built into one free app.
Automatic GCS Total
Tap the observed eye, verbal and motor responses and the total GCS calculates instantly, with no mental arithmetic during a time-critical assessment.
Adult & Paediatric Scales
Switch between the adult GCS and the paediatric (BPNA) scale, with age-appropriate verbal response descriptors for younger children.
Severity Banding
The total is colour-coded against mild (13–15), moderate (9–12) and severe (≤8) bands, so the clinical significance is clear at a glance.
Offline Operation
Works without any internet connection. All scoring runs locally on your device, so it stays reliable in rural areas, basements and anywhere with no signal.
Fast, Gloved-Hand Entry
Large touch targets and clear response descriptors make scoring quick and accurate, even under pressure with gloves on.
Add to the Patient Record
GCS scoring integrates with SnapMedic's observation logging, feeding the result straight into the patient encounter timeline.
How SnapMedic Compares
See how SnapMedic's GCS calculator stacks up against other pre-hospital scoring tools.
| Feature | SnapMedic | Others |
|---|---|---|
| Eye, verbal & motor scoring | Most | |
| Adult & paediatric scales | Few | |
| Severity banding | Some | |
| Integrated observation logging | Rare | |
| Works offline | Varies | |
| Android support | Some iOS only | |
| Free to use | Some paid | |
| Built by UK paramedics | Varies |
Feature availability in other apps may vary by version and platform.
Frequently Asked Questions
Common questions about SnapMedic's GCS calculator.
Download the Free GCS Calculator
Join thousands of UK paramedics using SnapMedic for accurate, fast pre-hospital scoring. Free on iOS, Android, and web.