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Glucose levels can be measured in different units worldwide. The most common units are mmol/L (millimoles per liter) used in most countries, and mg/dL (milligrams per deciliter) used primarily in the United States. This calculator provides quick and accurate conversion between these two units.
The conversion uses a simple mathematical formula:
This conversion factor is based on the molecular weight of glucose (180 g/mol) and the unit conversion factors.
Details: Accurate glucose monitoring is essential for diabetes management, diagnosis of hypoglycemia and hyperglycemia, and overall metabolic health assessment. Understanding both measurement units is crucial for interpreting international guidelines and research.
Tips: Enter your glucose value in mmol/L and click "Convert" to get the equivalent value in mg/dL. The calculator handles decimal values and provides precise conversions.
Q1: Why are there two different units for glucose measurement?
A: Different countries adopted different measurement systems. Most countries use mmol/L (SI units), while the US uses mg/dL (conventional units).
Q2: What is the conversion factor and why is it 18?
A: The conversion factor of 18 comes from the molecular weight of glucose (180 g/mol) divided by 10 to convert from dL to L.
Q3: What are normal glucose levels?
A: Normal fasting glucose is 3.9-5.6 mmol/L (70-100 mg/dL). Postprandial (after meal) should be below 7.8 mmol/L (140 mg/dL).
Q4: Do medical devices automatically convert units?
A: Most modern glucose meters and monitoring systems allow users to select their preferred unit of measurement and can display results in either unit.
Q5: Are there other conversion methods?
A: The multiplication by 18 is the standard and most accurate conversion method. Some approximate methods exist but this calculator uses the precise conversion.