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The Mg/L to mmol/L conversion for alcohol is a mathematical calculation used to convert blood alcohol concentration from milligrams per liter (mg/L) to millimoles per liter (mmol/L), which is the standard unit used in many medical and scientific contexts.
The calculator uses the conversion formula:
Where:
Explanation: The formula converts mass concentration (mg/L) to molar concentration (mmol/L) using the molecular weight of ethanol.
Details: Accurate conversion between mg/L and mmol/L is essential for medical professionals, forensic scientists, and researchers to properly interpret blood alcohol levels and ensure consistency across different measurement systems.
Tips: Enter alcohol concentration in mg/L. The value must be greater than zero. The calculator will automatically compute the equivalent value in mmol/L.
Q1: Why is 46.07 used in the conversion?
A: 46.07 is the molecular weight of ethanol (C₂H₅OH), which is used to convert between mass concentration and molar concentration.
Q2: What are typical alcohol concentration ranges?
A: Legal driving limits vary by country, but typically range from 0.2-0.8 g/L (approximately 4.3-17.4 mmol/L).
Q3: Is this conversion specific to ethanol?
A: Yes, this conversion factor (46.07) is specific to ethanol. Other substances have different molecular weights and require different conversion factors.
Q4: When is mmol/L preferred over mg/L?
A: mmol/L is often preferred in medical and scientific contexts as it represents the number of molecules per liter, which is more relevant for physiological effects.
Q5: Can this calculator be used for breath alcohol measurements?
A: No, this calculator is specifically for blood alcohol concentrations. Breath alcohol measurements require different conversion factors.