⚗️ Ideal Gas Law Calculator
Calculate PV = nRT - Pressure, Volume, Moles, or Temperature
PV = nRT
Gas Law Reference
The Ideal Gas Law
PV = nRT describes the behavior of an ideal gas:
- • P = Pressure
- • V = Volume
- • n = Number of moles
- • R = Gas constant
- • T = Temperature (Kelvin)
Gas Constant (R) Values
• 0.0821 L·atm/(mol·K)
• 8.314 J/(mol·K)
• 8.314 L·kPa/(mol·K)
• 62.4 L·mmHg/(mol·K)
Related Gas Laws
Boyle's Law: P₁V₁ = P₂V₂ (constant T, n)
Charles's Law: V₁/T₁ = V₂/T₂ (constant P, n)
Gay-Lussac's: P₁/T₁ = P₂/T₂ (constant V, n)
Avogadro's: V₁/n₁ = V₂/n₂ (constant T, P)
Standard Conditions
STP: 1 atm, 273.15 K (0°C)
At STP, 1 mole of ideal gas = 22.4 L
About Ideal Gas Law Calculator - PV=nRT Solver
Calculate pressure, volume, temperature, or moles using the ideal gas law. Solve PV=nRT equations instantly. Free gas law calculator.
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