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Avogadro's Law Volume-Mole Calculator

V₁ / n₁ = V₂ / n₂ at constant T and P.

Apply Avogadro's law to a gas held at constant temperature and pressure: V₁ / n₁ = V₂ / n₂. Compute V₂ (or any other unknown) from the other three.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

L
mol
mol

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

V₁ / n₁ = V₂ / n₂

In depth

Apply Avogadro's law to a gas held at constant temperature and pressure: V₁ / n₁ = V₂ / n₂. Compute V₂ (or any other unknown) from the other three.