Constants & Units · constant
Molar volume of an ideal gas
V_m = 22.413 969 54… × 10⁻³ m³ mol⁻¹
- Unit
- m³ mol⁻¹
- Value
- 22.413 969 54… × 10⁻³
- Exact
- yes
- Note
- 22.4 litres per mole at STP — the number every chemistry student memorises.
- Symbol
- V_m
- Category
- Thermodynamic
- Numeric
- 0.02241396954
- Uncertainty
- exact (at 273.15 K, 101.325 kPa)
Open on the Constants & Units shelf — the interactive card, the filters, and everything alongside it.