Created By : Naaz Fatima

Reviewed By : Phani Ponnapalli

Last Updated : May 08, 2023

The Air Pressure at Altitude Calculator is a useful and basic tool for calculating air pressure at any altitude and any temperature. To obtain Atmospheric Pressure, simply enter inputs such as altitude, temperature, and pressure at sea level.

Choose a Calculation
Pressure at sea level (P0)

What is Atmospheric Pressure?

The force exerted on the planet's surface by atmospheric air is known as air pressure. It varies depending on altitude and temperature. The mass of air overlaying the ground decreases as elevation increases. In addition, when the temperature rises, so does atmospheric pressure.

Pascals are the units of pressure (symbol: Pa). To convert Pascals to other units, use the pressure conversion.

Air Pressure at Altitude Formula: To calculate the air pressure at a given altitude, one must utilise the barometric formula.

The equation P = P₀ exp(-gM(h-h₀)/(RT)) gives the pressure altitude formula.

  • h = height at which we wish to calculate the air pressure, and it's measured in metres “m”
  • P = Air Pressure at Altitude h
  • P₀ = pressure at reference level h0
  • T = Temperature at Altitude h, and it's measured in “Kelvins”
  • g = gravitational acceleration and g foe earth is 9.80665 m/s²
  • M = Molar Mass of Air and M for early air is 0.0289644 kg/mol
  • R = Universal Gas Constant (R = 8.31432 N·m/(mol·K))

How to Calculate Air Pressure at a High Altitude?

  • Step 1: To simply compute air pressure at altitude, follow the step-by-step procedures below. As so, they are.
  • Step 2: To begin, determine the altitude(h) at which you want to measure air pressure.
  • Step 3: P0 is the reference pressure, and 1 atm is the normal value for Earth.
  • Step 4: Then, at altitude h, select the air temperature T.
  • Step 5: P = P₀ exp(-gM(h-h₀)/(RT)) In the formula for air pressure at altitude, substitute all the known values.
  • Step 6: Simplify the equation to quickly determine the air pressure.

FAQ on Air Pressure at Altitude

1. What does the term air pressure mean?

The force exerted on the planet's surface by atmospheric air is known as air pressure.

2. How does the Pressure Altitude Formula work?

The formula P = P₀ exp(-gM(h-h₀)/(RT)) can be used to calculate air pressure at altitude.

3. In the Pressure Altitude Formula, what does h stand for?

The altitude at which you want to determine the pressure is represented by h.

4. What is the effect of height on air pressure?

Pressure declines with height at the Earth's surface at a rate of around 3.5 millibars for every 30 metres (100 feet). However, because cold air has a higher density than warmer air, the pressure drop can be significantly steeper.

5. What is the formula for calculating altitude?

The distance above sea level is measured in altitude, just like elevation. Aviators and mountaineers can use the air pressure.

6. How can you find out how much air pressure there is?

The pressure created by the mass of our gaseous atmosphere is known as atmospheric pressure. The equation atmospheric pressure = density of mercury x acceleration due to gravity x height of mercury column can be used to calculate it.