Enter the concentration and molecular weight into the calculator to determine the molarity.

Ng/Ml ⇄ Molarity Calculator

Ng/Ml To Molarity Formula

The following formula is used to calculate molarity from ng/ml.

ng/mL×3.47=nmol/L

*Note that this formula is a shortcut using the MW of testosterone.

ng/mL to nM Conversion Table (Assumes MW = 300 g/mol)
Concentration (ng/mL) Molarity (nM)
0.10.333
0.51.667
13.333
26.667
516.667
1033.333
2066.667
2583.333
50166.667
75250.000
100333.333
150500.000
200666.667
250833.333
5001666.667
7502500.000
10003333.333
25008333.333
500016666.667
1000033333.333
* Rounded to 3 decimals. Formula: nM = 1000 × (ng/mL) ÷ MW. With MW = 300 g/mol, 1 ng/mL ≈ 3.333 nM.

What is a Ng/Ml To Molarity?

Ng/ml to molarity is a conversion process used in chemistry to change the concentration of a solution from nanograms per milliliter (ng/ml) to molarity (M). Molarity is a measure of the number of moles of a solute per liter of solution, while ng/ml measures the mass of the solute per volume of solution. The conversion requires knowledge of the molecular weight of the solute, and it is crucial in various scientific fields, including biochemistry and pharmacology.

How to Calculate Ng/Ml To Molarity?

The following steps outline how to calculate the Ng/Ml to Molarity using the formula: M = (C * MW) / (V * 10^6).


  1. First, determine the concentration in ng/ml (C).
  2. Next, determine the molecular weight (MW) in g/mol.
  3. Next, determine the volume in ml (V).
  4. Next, insert the values into the formula: M = (C * MW) / (V * 10^6).
  5. Finally, calculate the molarity (M).
  6. After inserting the variables 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.

concentration in ng/ml (C) = 50

molecular weight (MW) in g/mol = 100

volume in ml (V) = 10