July 4, 2022

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What is the air pressure at an altitude of 10 km?

5 min read

Asked by: Letty Vargas

Atmospheric pressure is around 1,014 millibars (14.7 pounds/inch2) at sea level. At an elevation of 10 km (6 miles or about 30,000 feet), roughly the height of Mt. Everest, pressure drops to 265 millibars. That’s less than 30% of the pressure at sea level!

What is the pressure at 12 km?

1.9399×104 N/m2

1. At 12 km in the standard atmosphere, the pressure, density and temperature are 1.9399×104 N/m2, 3.1194 ×10−1 kg/m3, and 216.66 K, respectively.

What is the air pressure at 10 000 feet?

Pressure at 100m

Altitude Air Pressure
Sea Level 14.7 PSI
10,000 feet 10.2 PSI
20,000 feet 6.4 PSI
30,000 feet 4.3 PSI

What is the pressure at an altitude of 15 km?

At an altitude of 15 km, the temperature is 217 K and the pressure is 12.1 kPa.

What is the air pressure 1 km up in the air?

about 10 kPa

You can see that the pressure drops about 10 kPa for every 1 km in altitude rise.

What is the atmospheric pressure at 50 km?

0.1 kPa

The air is so thin at an altitude of 31 miles (50 kilometers) that it exerts a pressure of only 1 mb (0.1 kPa). Even at a height of 5,000 feet (1,500 meters), the atmospheric pressure is low enough to produce mountain (altitude) sickness and other severe physical problems in some people.

What is the estimate atmospheric pressure at an altitude of 11 km?

The pressure at the bottom of the layer is determined from the user provided inputs of the pressure and temperature at sea level knowing that the altitude at the bottom of the layer is 11 km; assuming the default pressure was used at sea level, the pressure at the bottom of the stratosphere is 22,632 Pa.

What is the air pressure at 5000m?

Example – Air pressure at Elevation 10000 m

Altitude Above or Below Sea Level Absolute Atmospheric Pressure
feet metre kPa
5000 1524 84.3
6000 1829 81.2
7000 2134 78.2

How do you find pressure from altitude?

So let's say we're standing 5,000 feet up the side of a mountain. And the barometric pressure reading is twenty eight point nine The Adjustment is plus nine hundred fifty-seven feet.

How do you calculate air pressure?

Atmospheric pressure is the pressure caused by the mass of our gaseous atmosphere. It can be measured using mercury in the equation atmospheric pressure = density of mercury x acceleration due to gravity x height of column of mercury. Atmospheric pressure can be measured in atm, torr, mm Hg, psi, Pa, etc.

What is the air pressure at 8000 feet?

Find your elevation and find the corresponding atmospheric pressure in the table below.

Elevation Versus Atmospheric Pressure.

Elev(ft) PSIA “HgA
5900 11.81 24.07
6000 11.77 23.98
7000 11.33 23.09
8000 10.91 22.22

How does pressure change with altitude?

As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. This is what meteorologists and mountaineers mean by “thin air.” Thin air exerts less pressure than air at a lower altitude.

What is atmospheric pressure at altitude?

The atm unit is roughly equivalent to the mean sea-level atmospheric pressure on Earth; that is, the Earth’s atmospheric pressure at sea level is approximately 1 atm.

Altitude variation.

Parameter Description Value
h Height above Earth-surface m
p0 Sea level standard atmospheric pressure 101325 Pa

How much does air pressure change for every 1000 feet?

1 inHg

In nice conditions the atmospheric pressure (barometer) drops 1 inHg (inch of mercury) for every 1000 feet of elevation gained. Thus if the pressure is 29.92 inHg at sea level (0 ft MSL) then it will be 28.92 inHg at 1000 ft MSL (1000 feet higher).

What is the air pressure at 100 000 feet?

U.S. Standard Atmosphere Air Properties – Imperial (BG) Units

Geo-potential Altitude above Sea Level – h – (ft) Temperature – t – (oF) Dynamic Viscosity – μ – (107 lb s/ft2) (107 slug /(ft s))
80000 -61.98 3.018
90000 -56.54 3.052
100000 51.10 3.087
150000 19.40 3.511

What is the pressure at 700 meters?

EXAMPLE (Imperial)

Depth (meters/feet) Fresh Water (1000 kg/m3)
122 meters (400 feet) Balao/Tench 1.3 MPa 188.1 PSI
152.5 meters (500 feet) 1.6 MPa 231.5 PSI
183 meters (600 feet) 1.9 MPa 274.8 PSI
213.5 meters (700 feet) Tang/Nautilus/Barbel 2.2 MPa 318.2 PSI

What is the standard temperature at 10 000 feet?

23.3° F.

At 10,000 feet msl, there will be a standard temperature of -4.8° C or 23.3° F.

How do you find the air temperature at altitude?

Real weather conditions, of course, are never so cut and dried. NASA supplies a formula that calculates the expected stratospheric temperature (T in degrees C) given the global average temperature of -57 degrees C at 25 km altitude. The formula is T = -131 + (0.003 * altitude in meters).

How high can a person fly without oxygen?

When the altitude of an airplane is less than 12,500 feet, there is no supplemental oxygen required for anyone in a private plane. From 12,500 feet to 14,000 feet, supplemental oxygen must be used by the required flight crew for any portion of the flight that is more than 30 minutes.

What is the highest altitude a human can breathe?

An elevation of about 20,000 feet above sea level is the maximum height at which sufficient oxygen exists in the air to sustain us.

Can you breathe on top of Mount Everest?

When you go to a high elevation there is less air pressure. The lower air pressure makes air less dense (thinner) and so there is less oxygen in the air you breathe. At the top of Mount Everest there is only ⅓ of the oxygen available as there is at sea level.

Is it healthier to live at high altitude?

The available data indicate that residency at higher altitudes are associated with lower mortality from cardiovascular diseases, stroke and certain types of cancer. In contrast mortality from COPD and probably also from lower respiratory tract infections is rather elevated.

Can you breathe at 16000 feet?

Over 50% of people will become ill if they ascend rapidly from sea level to 3500 meters (11,000 feet) without acclimatization, and everyone will if they ascend rapidly to 5000 meters (16,000 feet). It is thought to be impossible to permanently acclimatize to heights above 5500 meters (18,000 feet).

Can humans breathe 30000 feet?

Somewhere between 30,000 and 40,000 feet the pressure around you becomes far too low to push those oxygen molecules across the membranes in your lungs, and you get hypoxic (altitude sickness). If you try to breathe 100 percent oxygen above 40,000 feet for very long without a special type of mask, you’ll die.

How long does Acclimatisation last?

Given time, your body can adapt to the decrease in oxygen molecules at a specific altitude. This process is known as acclimatization and generally takes 1-3 days at that altitude.

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