Input interpretation
![air | density | temperature | 20 °C (degrees Celsius) pressure | 1 atm (atmosphere)](../image_source/0786af98985fea12940f9f0da3dab3a8.png)
air | density | temperature | 20 °C (degrees Celsius) pressure | 1 atm (atmosphere)
Result
![1.205 kg/m^3 (kilograms per cubic meter)](../image_source/a6efba409e8b7a617845cc4d6bf91838.png)
1.205 kg/m^3 (kilograms per cubic meter)
Unit conversions
![0.001205 g/cm^3 (grams per cubic centimeter)](../image_source/71f1e9aef30973a374735c1f4f8dacd0.png)
0.001205 g/cm^3 (grams per cubic centimeter)
![1.205 g/L (grams per liter)](../image_source/198322b0945ad330c6f26df5aa2f21ef.png)
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 )](../image_source/9c98472982323c4949c57098221441fa.png)
≈ ( 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 )](../image_source/2462dd9a436606dca009a6352f2185ee.png)
≈ 0.4 × typical aerogel density ( ≈ 3 kg/m^3 )
![≈ 0.98 × International Standard Atmosphere air density at 15 °C ( ≈ 1.2 kg/m^3 )](../image_source/f5674caa8962830057885ef35876a41e.png)
≈ 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](../image_source/40ca35ad56a6258d7c1b17f7c29d774a.png)
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](../image_source/ace9efa5028a90a0c7912dc1b9f55250.png)
Phase diagram
Variation with pressure at constant temperature
![Variation with pressure at constant temperature](../image_source/3dbedaa2eed01f5e751d5e81142a6730.png)
Variation with pressure at constant temperature