Science Calculators

Molarity Calculator

Enter solute mass, molar mass, and solution volume to calculate moles and molarity.

1.0000 mol
Moles of solute
1.0000 M
Molarity (mol/L)

How to use this tool

  1. 1Enter the solute mass in grams.
  2. 2Enter the molar mass in g/mol.
  3. 3Enter the solution volume in liters.
  4. 4See moles and molarity.

Frequently asked questions

What is molarity?+

Molarity (M) is a concentration unit equal to moles of solute per liter of solution — one of the most common ways to express solution concentration in chemistry.