Concentration Converter (Molar)

About This Tool

This Molar Concentration Converter is an indispensable tool for chemists, biologists, and lab technicians. It converts units of molar concentration (or molarity), which is the amount of a substance (in moles) per unit of volume of solution. The base unit is mol per cubic meter (mol/m³).

Molarity is the most common way to express the concentration of a solution in chemistry, as it directly relates the amount of solute to the volume of the solution, which is crucial for preparing chemical solutions and for calculations involving solution stoichiometry.

Tips & Features

• Molarity (M): The most common unit for molar concentration is mol per liter (mol/L), which is often abbreviated with a capital M (e.g., a 6 M HCl solution). This tool uses mol/L as a primary unit for convenience. 1 mol/L = 1000 mol/m³.
• Preparing Solutions: Molarity is used to calculate how much solute (e.g., grams of salt) is needed to prepare a specific volume of a solution with a desired concentration.
• Concentration vs. Molality: Molarity is based on the volume of the solution, which can change slightly with temperature. Molality (moles of solute per kilogram of solvent) is independent of temperature and is used in some thermodynamic calculations for higher precision.