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Table of Content
|1||What is priceeight Class?|
|2||priceeight Class Chart:|
|3||How to Calculate priceeight Density (Step by Step):|
|4||Factors that Determine priceeight Classification:|
|5||What is the purpose of priceeight Class?|
|6||Are mentioned priceeight Classes verified by the officials?|
|7||Are priceeight Classes of UPS and FedEx same?|
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.
Here’s how you can use our density of air calculator:
This density air calculator estimates the following calculations:
You can calculate the air density using the following equation:
ρ = [(Pd / (Rd * T)) + (Pv / (Rv * T))]
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.
If you are thinking about how to calculate density of air, then you need some basic weather parameters like pressure and temperature.
Air pressure is a force exerted on a surface by the air above it as gravity pulls it to Earth. The air pressure is commonly measured with a barometer or in Pascals.
The standard SI unit of pressure is Pascal and the other units are expressed as follows:
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.
Here, you can find the density of air in lb/ft3.
|Density of air||Pressure||Density of air lb/ft3|
|Density of air at 15 C||1 Pascal||0.00000075474|
|Density of air at 20 C||1 Pascal||0.00000074187|
|Density of air at 22 C||1 Pascal||0.00000073684|
|Density of air at 25 C||1 Pascal||0.00000072943|
|Density of air at 40 C||1 Pascal||0.00000069449|
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.
|Temperature||Pressure||Specific weight||Thermal expansion coefficient|
|[°F]||[lbm/ft3]||[sl/ft3*10-3]||[lbm/gal(US liq)]||[kg/m3]||[lbf/ft3]||[N/m3]||[x10-3 °F-1]|
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.
From the source Wikipedia: Density of air, Temperature
From the source iflycoast.com: Understanding Air Density, Effects of lower density on humans