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🔬 Avogadro's Number Calculator

Convert between moles, atoms, molecules, and formula units

Moles ↔ Particles

Complete Particle Calculator

Avogadro's Number Facts & Applications

Key Information:

Avogadro's Number: 6.022 × 10²³

Symbol: N_A or L

Units: particles/mol (atoms, molecules, formula units)

Named after: Amedeo Avogadro (1776-1856)

For Molecular Compounds:

1 mole = 6.022 × 10²³ molecules

Example: 1 mol H₂O = 6.022 × 10²³ molecules

For Ionic Compounds:

1 mole = 6.022 × 10²³ formula units

Example: 1 mol NaCl = 6.022 × 10²³ formula units

For Elements:

1 mole = 6.022 × 10²³ atoms

Example: 1 mol Fe = 6.022 × 10²³ atoms