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CHA₂DS₂-VASc Score Calculator

Stroke risk in atrial fibrillation.

Compute the CHA₂DS₂-VASc score, a weighted sum of risk factors used to estimate annual stroke risk in non-valvular atrial fibrillation patients.

Priya Venkatesan By Priya Venkatesan
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

CHF (1) + Hypertension (1) + Age 65–74 (1) or ≥75 (2) + Diabetes (1) + Stroke/TIA (2) + Vascular disease (1) + Female (1).

In depth

Compute the CHA₂DS₂-VASc score, a weighted sum of risk factors used to estimate annual stroke risk in non-valvular atrial fibrillation patients.