Molarity Calculator

Calculate molarity, mass, volume, or perform dilution calculations for chemical solutions.

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g
Mass of dissolved substance in grams.
g/mol
Molecular weight of the solute.
L
Volume of the solution in liters.
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Molarity
mol/L (M)
Common Reagents
Documentation

How It Works

Molarity is the most common way to express the concentration of a solution in chemistry. It is defined as the number of moles of solute per liter of solution.

The dilution equation C₁V₁ = C₂V₂ is used to calculate how much stock solution (or solvent) is needed to prepare a diluted solution of a desired concentration.

Formulas

Last Updated: February 28, 2026

Disclaimer: For educational purposes only. Always follow laboratory safety protocols when handling chemicals.

Frequently Asked Questions