Advanced Air Density Calculator
Calculate air density based on temperature, pressure, and humidity using the ideal gas law and advanced corrections.
Input Parameters
Freezing: 0°C
Room: 20°C
Hot: 500°C
Low: 970 hPa
Standard: 1013 hPa
High: 1050 hPa
Dry: 20%
Normal: 50%
Humid: 80%
Results
Air Density
1.204 kg/m³
Standard conditions at sea level
Air Density Information
Dry Air (0% humidity):
1.204 kg/m³
Standard Air (50% humidity):
1.198 kg/m³
Humid Air (100% humidity):
1.190 kg/m³
Calculation Details
Formula Used
The air density (ρ) is calculated using:
ρ = P / (R × T)
Where:
- P = Pressure in Pascals
- R = Specific gas constant for dry air (287.05 J/kg·K)
- T = Temperature in Kelvin
Humidity correction is applied using the virtual temperature method.
Step-by-Step Calculation
Temperature conversion:
20°C → 293.15 K
Pressure conversion:
1013.25 hPa → 101325 Pa
Dry air density:
1.204 kg/m³
Humidity correction:
-0.006 kg/m³
Final air density:
1.198 kg/m³
About Air Density
Temperature Effect
Warmer air is less dense than cooler air. For every 10°C increase, density decreases by about 3%.
Pressure Effect
Higher pressure increases air density. At high altitudes, lower pressure results in lower air density.
Humidity Effect
Humid air is less dense than dry air because water molecules displace heavier nitrogen and oxygen molecules.