Enter the molarity and molecular weight into the calculator to determine the concentration in µg/mL, or enter the concentration and molecular weight to find the molarity.
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Molar to µg/mL Formula
The following formula is used to convert molarity to concentration in µg/mL.
C = M * MW * 1000
Variables:
- C is the concentration in µg/mL
- M is the molarity in mol/L
- MW is the molecular weight in g/mol
To calculate the concentration in µg/mL, multiply the molarity by the molecular weight and then multiply by 1000.
| Molarity (μM) | Molecular Weight (g/mol) | Concentration (μg/mL) |
|---|---|---|
| 0.1 | 100 | 0.010 |
| 0.5 | 100 | 0.050 |
| 1 | 100 | 0.100 |
| 2 | 100 | 0.200 |
| 5 | 100 | 0.500 |
| 0.1 | 180.16 | 0.018 |
| 0.5 | 180.16 | 0.090 |
| 1 | 180.16 | 0.180 |
| 2 | 180.16 | 0.360 |
| 5 | 180.16 | 0.901 |
| 0.1 | 250 | 0.025 |
| 0.5 | 250 | 0.125 |
| 1 | 250 | 0.250 |
| 2 | 250 | 0.500 |
| 5 | 250 | 1.250 |
| 0.1 | 500 | 0.050 |
| 0.5 | 500 | 0.250 |
| 1 | 500 | 0.500 |
| 2 | 500 | 1.000 |
| 5 | 500 | 2.500 |
| * Rounded to 3 decimals. Formula: μg/mL = μM × Molecular Weight (g/mol) × 0.001. Example MWs include glucose (180.16 g/mol). | ||
What is Molarity?
Molarity (M) is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume. It is expressed in units of moles per liter (mol/L). Molarity is a convenient way to express the concentration of a solute in a solution, especially for reactions in aqueous solutions.
How to Calculate Concentration in µg/mL?
The following steps outline how to calculate the concentration in µg/mL.
- First, determine the molarity of the solution (M).
- Next, determine the molecular weight of the solute (MW).
- Next, calculate the concentration using the formula C = M * MW * 1000.
- Finally, calculate the concentration in µg/mL.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Molarity (M) = 0.01 mol/L
Molecular Weight (MW) = 180 g/mol