Input interpretation
air | density | temperature | 20 °C (degrees Celsius) pressure | 1 atm (atmosphere)
Result
1.205 kg/m^3 (kilograms per cubic meter)
Unit conversions
0.001205 g/cm^3 (grams per cubic centimeter)
1.205 g/L (grams per liter)
Comparisons as mass density
≈ ( 0.06 ≈ 1/17 ) × mean density inside the Schwarzschild radius of a supermassive black hole ( ≈ 20 kg/m^3 )
≈ 0.4 × typical aerogel density ( ≈ 3 kg/m^3 )
≈ 0.98 × International Standard Atmosphere air density at 15 °C ( ≈ 1.2 kg/m^3 )
Thermodynamic properties
phase | gas temperature | 293.2 K 20 °C pressure | 101325 Pa 1 atm density | 1.205 kg/m^3 0.001205 g/cm^3 sound speed | 1236 km/h 343.3 m/s specific heat c_p | 1006 J/(kg K) specific heat c_V | 717.7 J/(kg K) specific entropy | 3863 J/(kg K) specific enthalpy | 419405 J/kg specific internal energy | 335288 J/kg
Phase diagram
Phase diagram