Blood Glucose Converter & Checker
Convert mg/dL and mmol/L and check fasting levels.
Your result
A fasting level of 70–99 mg/dL is normal.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Normal, prediabetes and diabetes ranges in mg/dL and mmol/L.
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Frequently asked questions
What does the Blood Glucose Converter & Checker do?
Convert mg/dL and mmol/L and check fasting levels. 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: convert blood sugar units; is my fasting glucose normal; mmol/l to mg/dl.