Air Density Calculator is a physics/math calculator designed to find the density of air, temperature, or pressure quickly and easily.
Features:
- Instant calculations
- Results can be copied to other apps
- Formulas are included as references
- Supports up to 16 decimal places
- Supports various units for each input
Air contains a mixture of dry air and water vapor. The amount of water vapor depends on the relative humidity and is related to the dew point temperature of the air. To calculate the density of air, you need to determine the partial pressure of the dry air and the partial pressure of the water vapor. These can be calculated using measurements of air temperature, air pressure, and dew point temperature as inputs.
Air Density Equation:
ρ = (pd / (Rd * T)) + (pv / (Rv * T))
Where:
pd - Pressure of dry air in hPa
pv - Water vapor pressure in hPa
T - Air temperature in Kelvins
Rd - Specific gas constant for dry air equal to 287.058 J/(kg·K)
Rv - Specific gas constant for water vapor equal to 461.495 J/(kg·K)
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