Enter the sea level pressure, altitude, and temperature into the calculator to determine the atmospheric temperature at altitude.

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## Atmospheric Pressure Formula

The following formula is used to calculate an atmospheric pressure at a certain altitude.

- Where P is the atmospheric pressure
- P0 is the base level pressure at no height (101325 Pa)
- H is the height (meters)
- T is the temperature (K)
- g is the acceleration due to gravity (9.8 m/s^2)
- M is the molar mass of dray air (.028969 kg/mol)
- R is the universal gas constant (8.3144626 mol*K)

## Atmospheric Pressure Definition

Atmospheric pressure is a measure of the pressure acting on an object in the atmosphere at some altitude.

## Atmospheric Pressure Example

How to calculate atmospheric pressure?

**First, determine the height.**Measure or calculate the altitude in the atmosphere.

**Next, determine the temperature.**Measure the temperature of the surrounding air.

**Finally, calculate the atmospheric pressure.**Calculate the atmospheric pressure using the equation above.

## FAQ

**What is atmospheric pressure?**

Atmospheric pressure is the air pressure that acts on an object due to the weight of gas particles under the effect of Earth’s gravity.