Van der Waals EOS Calculator

Real gas pressure from T and V

🔵

Van der Waals EOS

Real gas pressure from T and V

$$P = \dfrac{nRT}{V-nb} - a\dfrac{n^2}{V^2}$$

CO₂: $a=0.364\ \text{Pa·m}^6/\text{mol}^2$, $b=4.267\times10^{-5}\ \text{m}^3/\text{mol}$.

n (mol)

T (K)

V (m³)

a (Pa·m⁶/mol²)

b (m³/mol)

All fields required; (V−nb) must be positive.

Pressure

—Pa

📄 Free Download

Get the WTF Formula Sheet

Every equation from all 6 topics in one clean PDF. Made for exams, problem sets, and the moments when you have no idea what the flux is going on.

✓ You're in — check your inbox for the formula sheet.