How to Convert Moles to Total Atoms
Calculate exact subatomic particle count step-by-step:
Enter Moles
Input starting amount in moles (n).
Enter Formula
Input chemical formula (e.g. H2O has 3 atoms per molecule: 2H + 1O).
Calculate Molecules
Molecules = Moles × 6.022 × 10²³.
Multiply by Atoms
Multiply molecules by total atoms per formula unit for absolute atom count.
Key Features & Stoichiometry
Constituent Atom Breakdown
Lists exact atom counts for every individual element in the compound.
Avogadro Precision
Uses 6.02214076 × 10²³ particles/mol for scientific precision.
Formula Stoichiometry
Supports simple and polyatomic chemical formulas.
Stoichiometry Guide: Moles to Atoms Calculations
To convert moles of a compound to the total number of individual atoms, multiply the number of moles by Avogadro's constant (NA = 6.022 × 10²³) and then multiply by the total number of atoms in one formula unit of the molecule.
Frequently Asked Questions
?How many atoms are in 1 mole of H₂O?
1 mole of H₂O contains 6.022 × 10²³ water molecules. Because each molecule has 3 atoms (2 Hydrogen + 1 Oxygen), 1 mole of H₂O contains 1.8066 × 10²⁴ total atoms.