Van Der Waals Equation Calculator

Calculate the pressure of a real gas using the Van der Waals equation of state.

Gas Parameters

Temperature (T) (K)

Volume (V) (L)

Moles (n) (mol)

Constant a (L²·atm/mol²)

Constant b (L/mol)

Calculation Results

About this calculator

Overview

The Van der Waals equation improves upon the Ideal Gas Law by accounting for the finite size of molecules and the intermolecular forces between them.

💡

Pro Tips

Fun Facts

Formula: (P + an²/V²)(V - nb) = nRT