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GCS Calculator

Result

Calculated result 9 Based on the values entered.
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GCS Calculator Calculate the Glasgow Coma Scale (GCS) score to assess level of consciousness in acute medical settings. — free online calculator.

Formula

GCS = Eye (1-4) + Verbal (1-5) + Motor (1-6); range 3-15
  • GCS Calculator calculates its result from Motor, Eye, Verbal. It uses the formula GCS = Eye (1-4) + Verbal (1-5) + Motor (1-6); range 3-15. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Motor, Eye, Verbal. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: GCS

Inputs
  • Motor: 2
  • Eye: 3
  • Verbal: 4

Using Motor = 2, Eye = 3, Verbal = 4, the calculated result is 9.

Sample result: Calculating…

Frequently asked questions

What does the GCS calculate?

GCS Calculator Calculate the Glasgow Coma Scale (GCS) score to assess level of consciousness in acute medical settings. — free online calculator.

Which values should I enter?

Enter Motor, Eye, Verbal using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: GCS = Eye (1-4) + Verbal (1-5) + Motor (1-6); range 3-15.

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026