Molarity Calculator

Calculate Mass Required for Molar Solution

Our molarity calculator is a useful tool that helps you calculate the:

  • mass of a compound required to prepare a solution of known volume and concentration
  • volume of solution required to dissolve a compound of known mass to a desired concentration
  • concentration of a solution resulting from a known mass of compound in a specific volume

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* Our calculator is based on the following equation as mass, molar concentration, volume, and formula weight are related to each other:
Mass (g) = Concentration (mol/L) x Volume (L) x Molecular Weight (g/mol)


  • * Mass (m) is the amount of matter present in a substance. The value is constant and, unlike weight, is not affected by gravity.
  • * Formula weight (F.W.) is the sum of the atomic weights of all atoms in a given empirical formula.
  • * Molar concentration (also known as Molar concentration) is the amount of a solute present in one unit of a solution. It can be denoted by the unit M, molar.