Molarity Calculator

Enter value and click on calculate. Result will be displayed.
Weight percentage :
Density :
Molecular weight/Formula Weight :
Result:
Molarity :

A molarity calculator is a tool used in chemistry to determine the molarity (M) of a solution. Molarity is a measure of the concentration of a solute in a solution, expressed as moles of solute per liter of solution (mol/L).

Why use a molarity calculator?

  • Accuracy: Helps prepare solutions with precise concentrations, which is crucial in experiments and reactions.
  • Efficiency: Saves time by quickly calculating the amount of solute or volume needed.
  • Convenience: Reduces human error in complex calculations.

How does it work?
A molarity calculator usually requires the following inputs:

  • Mass of the solute (g): How much of the substance you’re dissolving.
  • Molar mass of the solute (g/mol): The molecular weight of the substance.
  • Volume of the solution (L): Final volume of the solution after dissolving the solute.

Then it calculates molarity using the formula:

Where:

  • M = molarity
  • n = moles of solute
  • V = volume of solution in liters

When do you use it?

  • Preparing lab solutions for chemical experiments.
  • Standardizing reagents in titration or analytical chemistry.
  • Adjusting concentrations for biochemical or pharmaceutical processes.