mg/dL
Milligrams per decilitre expresses the mass of glucose within a specific blood volume and is widely used in several countries.
Free Health Converter
Blood Glucose Unit Converter
Instantly convert glucose readings between mg/dL and mmol/L using a clear, accurate and mobile-friendly calculator.
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Convert your reading
Enter a glucose value, select its unit, then convert.
mg/dL
Understand glucose units at a glance
Two measurement systems are commonly used worldwide. This tool helps you move between them without manual calculation.
mmol/L
Millimoles per litre expresses glucose as a molar concentration and is the SI-based unit used in many regions.
Why conversion helps
It is useful when travelling, reading international reports or sharing readings with someone who uses another unit.
How to use this converter
- Enter the glucose value shown on your meter or report.
- Select whether the original reading is mg/dL or mmol/L.
- Press “Convert Reading” to see the equivalent value.
- Copy or download the result for convenient reference.
About rounding
Results in mmol/L are shown to one decimal place, while results in mg/dL are rounded to the nearest whole number. The underlying calculation retains the standard conversion factor for consistent output.
Health disclaimer: This converter is provided for educational and informational convenience only. It does not interpret your reading, diagnose a condition or replace advice from a qualified healthcare professional. Follow the unit and instructions supplied with your glucose meter, laboratory report or care plan.
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