Glucose Meter Accuracy Check
Compare a meter reading against a lab value using the ISO 15197 accuracy limits.
Your result
ISO 15197 allows ±15 mg/dL below 100 mg/dL and ±15% at or above 100 mg/dL. Check your meter against lab values if readings do not match symptoms.
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 Meter Accuracy Check do?
Compare a meter reading against a lab value using the ISO 15197 accuracy limits. 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: is my glucose meter accurate; meter vs lab glucose; iso 15197 check.