The air density calculator instantly calculates the density of air in kg m3 at a certain temperature and pressure. Not only this, but the tool also calculates the dew point, air pressure, and water vapor pressure when the air is fully compressed. Contact online >>
The air density calculator instantly calculates the density of air in kg m3 at a certain temperature and pressure. Not only this, but the tool also calculates the dew point, air pressure, and water vapor pressure when the air is fully compressed.
If we set the temperature at 15 °C & pressure at 1013.25 hPa, the air density will be 1.225 kg/(m^3). At sea level, the atmospheric pressure is maximized due to high air pressure. Hence the air is denser at sea level and we can figure this out by the air density calculator. The density of the air is denoted by the Greek letter Rho (ρ) and it is the measure of the mass per unit volume and this is why we represent the density of air in kg m3 or g/m3.
The basic units of temperature are Kelvin (K), centigrade or Celsius (C), and Fahrenheit (F). You need to convert the Fahrenheit to Celsius and Kelvin to calculate air density.
The dew point is the temperature at which the water vapor starts to condense. You can compute the dew point manually or our air density calculator is able to use one of these values to compute the other.
We can calculate the air-density in various units like [lbm/ft3], [sl/ft3*10-3], [lbm/gal(US liq)], [kg/m3]. Now if you think about how to calculate the density of air in the above-mentioned units then the following table can be of great help. In this table, we have distinguished the specific weight and thermal expansion coefficient at various temperatures.
The average value of density of air at sea level is 1.29 grams/liter or 0.07967 pounds/cubic foot at 0 degrees and 32 degrees Fahrenheit at the average sea level. The barometric pressure is 29.92 inches of Hg or 760 mmHg.
The Density of air at 25 degrees Celsius in kg/m3 is 1.168 kg/m3 at (25 °C and 100 kPa). The air density online calculator can find the density of air for both dry and moist atmospheres.
where γ = specific weight, units typically [N/m3 ] or [lbf /ft3 ] m = mass, units typically [g] or [lb] g = acceleration due to gravity, units typically [m/s2] and value on Earth usually given as 9.80665 m/s2or 32.17405 ft/s2 V = volume, units typically [cm3 ] or [ft3 ] ρ = density, units typically [g/cm3 ] or [lb/ft3 ] Tabulated values and density units conversion are given below the figures . At the bottom of the page there are some examples of calculations using hot and cold air.
The calculator below can be used to calculate the air density and specific weight at given temperatures and atmospheric pressure. The output density is given as kg/m3, lb/ft3, lb/gal(US liq) and sl/ft3 . Specific weight is given as N/m3 and lbf / ft3.
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