Conversion Formula:
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The conversion from mg/mL to μM (micromolar) is a common calculation in biochemistry and molecular biology that converts mass concentration to molar concentration using the molecular weight of the compound.
The calculator uses the conversion formula:
Where:
Explanation: The formula converts mass concentration to molar concentration by accounting for the molecular weight of the substance and appropriate unit conversions.
Details: Converting between mass and molar concentrations is essential for preparing solutions, comparing studies, and ensuring consistent concentrations in experiments.
Tips: Enter the concentration in mg/mL and the molecular weight in g/mol. Both values must be positive numbers.
Q1: Why convert mg/mL to μM?
A: Molar concentration (μM) is often more meaningful in biological contexts as it represents the number of molecules rather than their mass.
Q2: What's the difference between μM and mmol/L?
A: 1 mmol/L = 1000 μM. Both are molar concentrations but differ by a factor of 1000.
Q3: How do I find the molecular weight?
A: Molecular weight can be found on chemical datasheets, calculated from the chemical formula, or measured experimentally.
Q4: Can I use this for proteins?
A: Yes, but use the protein's molecular weight (often in kDa - multiply by 1000 to get g/mol).
Q5: What about other units?
A: For μg/mL, multiply by 1000 first. For nM, multiply the result by 1000.