Chemistry

MolarVolumeCalculator

Calculate the volume occupied by one mole of gas at standard or custom conditions.

Standard Molar Volume

At STP (0°C, 1 atm): 22.41 L/mol

At STP (25°C, 1 atm): 24.47 L/mol

Understanding Molar Volume

Molar volume is the volume occupied by one mole of a gas. At standard temperature and pressure (STP), one mole of any ideal gas occupies approximately 22.4 liters. At room temperature (25°C), it occupies about 24.5 liters.

Common Conditions

STP (0°C, 1 atm)22.41 L/mol
SATP (25°C, 1 atm)24.47 L/mol