Gas Laws Calculator Select Gas Law: Combined Gas Law (P₁V₁/T₁ = P₂V₂/T₂) Boyle's Law (P₁V₁ = P₂V₂) Charles's Law (V₁/T₁ = V₂/T₂) Gay-Lussac's Law (P₁/T₁ = P₂/T₂) Ideal Gas Law (PV = nRT) Combined Gas Law Calculate: Initial State (1) P₁: atm Pa kPa mmHg torr psi V₁: L mL m³ cm³ T₁: K °C °F Final State (2) P₂: atm Pa kPa mmHg torr psi V₂: L mL m³ cm³ T₂: K °C °F Ideal Gas Law Calculate: Pressure (P) Volume (V) Moles (n) Temperature (T) P: atm Pa kPa mmHg torr psi V: L mL m³ cm³ n: mol T: K °C °F Using Ideal Gas Constant R = 0.08206 L·atm/mol·K (Inputs are automatically converted) Result --- Download Results as PDF