Glucose Variability Calculator
Coefficient of variation from several glucose readings.
Your result
A coefficient of variation under 36% is commonly used as a target for stable glucose. Large swings are worth discussing with your care team.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Glucose Variability Calculator do?
Coefficient of variation from several glucose readings. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: how stable is my blood sugar; glucose swings; coefficient of variation glucose.