Moles, Grams & Molecule Particles Converter

Convert between mass (grams), substance amount (moles), and molecule count using Avogadro's constant.

Number of Moles (n = m / MW)
--
Molecules (N = n · N_A):1.204 × 10²⁴
Gas Volume at STP (22.4 L/mol):44.83 L

How to Use

  1. Enter the molar mass of the substance and the amount in grams.
  2. Select Convert to Moles & Particles to view the resulting moles and number of molecules.