NIHSS Stroke Score Calculator

Score stroke severity from 0 (normal) to 42 (severe) across 11 neurological domains using the NIH Stroke Scale.

Total NIHSS Score

0
out of 42
No Deficit
042

Summary

Score stroke severity from 0 (normal) to 42 (severe) across 11 neurological domains using the NIH Stroke Scale.

How it works

  1. Select the most appropriate response for each of the 11 NIHSS items.
  2. Each item is scored on its own scale (0–5 for motor, 0–3 for most others).
  3. The running total updates in real time as you make selections.
  4. Review the severity band (Minor, Moderate, Severe, etc.) shown at the top.
  5. Use the Reset button to clear all selections and start over.
  6. Print or copy the final score summary for clinical documentation.

Use cases

  • Emergency triage: rapidly quantify deficit at stroke onset.
  • Track neurological changes during acute hospital admission.
  • Determine eligibility for thrombolysis or thrombectomy.
  • Document baseline severity for prognosis and outcome research.
  • Teaching tool for medical students learning stroke assessment.
  • Telemedicine stroke evaluation with remote guidance.
  • Quality improvement audits requiring standardized scoring.
  • Rehabilitation planning based on admission deficit profile.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu