Particles to Moles Calculator — N = n·Nₐ

A mole is simply Avogadro's number of particles — 6.022×10²³ atoms, molecules, ions, or formula units. This tool converts a raw particle count into moles and back, the bridge between the atomic scale and the laboratory scale.

Particles to Moles Calculator — N = n·Nₐ

n=NNAn = \frac{N}{N_A}

How to interpret the result

Worked check: 1.2044×10²⁴ water molecules ÷ 6.022×10²³ = 2.000 mole. Particle counts above ~10²³ are unwieldy — moles keep the numbers human-sized.

Assumptions

  • Avogadro's constant taken as 6.022×10²³ mol⁻¹
  • All particles are identical (same species)