Ideal Gas Law Calculator
Calculate pressure, volume, temperature, or moles using PV=nRT. Supports multiple unit systems.
(solving)
Results
101.3825 kPa
Pressure (1.000568 atm)
22.4 L
Volume (0.0224 m³)
1 mol
Moles
273.15 K
Temperature (0°C)
Standard Conditions
STP (IUPAC)
T = 273.15 K (0°C)
P = 100 kPa
Molar Volume at STP
V = 22.71 L/mol

Ideal Gas Law

Valid for ideal gases at moderate temperatures and pressures.

PV = nRT
R = 8.314 J/(mol·K)

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