EngiRef / Reference Constant
Density of Air (ISA sea level)
Density of Air (ISA sea level) (ρ_air) = 1.225 kg/m³. Dry air at 15°C and 101.325 kPa (ISA sea level). Note this is the ISA reference condition, not STP; dry…
referenceρ_air
Specification
- Name
- Density of Air (ISA sea level)
- Symbol
- ρ_air
- Value
- 1.225
- Unit
- kg/m³
- Category
- reference
- Description
- Dry air at 15°C and 101.325 kPa (ISA sea level). Note this is the ISA reference condition, not STP; dry air at 0°C and 101.325 kPa is 1.2754 kg/m³.