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The molecular mean free path Calculator will calculate the:

- Mean free path of gas molecules

The mean free path of gas molecules is m |

Mean free path of gas molecules calculations |
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λ = √2 × V/2 × π × d^{2} × Nλ = √2 × /2 × × ^{2} × λ = × /2 × × × λ = /λ = |

Molecular Mean Free Path Calculator Input Values |

Diameter of gas molecule (d) = m |

Number of molecules (N) = |

Volume of container (V) = m^{3} |

Archimedes' constant (π) = |

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each molecular mean free path calculation, the Molecular Mean Free Path Calculator will automatically calculate the results and update the Physics formula elements with each element of the molecular mean free path calculation. You can then email or print this molecular mean free path calculation as required for later use.

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λ = *√***2** × V*/**2 × π × d*^{2} × N

The mean free path of gas molecules formula derives from the formula of molecular mean free path:

λ = *1**/**√***2** × π × d^{2} × *N**/**V*

The following Physics tutorials are provided within the Thermodynamics section of our Free Physics Tutorials. Each Thermodynamics tutorial includes detailed Thermodynamics formula and example of how to calculate and resolve specific Thermodynamics questions and problems. At the end of each Thermodynamics tutorial you will find Thermodynamics revision questions with a hidden answer that reveals when clicked. This allows you to learn about Thermodynamics and test your knowledge of Physics by answering the test questions on Thermodynamics.

- 13.1 - Temperature. The Zeroth Law of Thermodynamics
- 13.2 - Thermal Expansion
- 13.3 - Absorption of Heat
- 13.4 - Calorimetry (Heat Transfer)
- 13.5 - The First Law of Thermodynamics
- 13.6 - The Kinetic Theory of Gases. Ideal Gases
- 13.7 - Pressure, Temperature and RMS Speed
- 13.8 - Molar Specific Heats and Degrees of Freedom
- 13.9 - Gas Laws
- 13.10 - Entropy and the Second Law of Thermodynamics

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