Geography & Earth
Advanced

Barometric Altitude

Altitude estimated from pressure ratio.

Formula

h=44330(1−(PP0)0.19)h = 44330\left(1 - \left(\frac{P}{P_0}\right)^{0.19}\right)

Variables

PPressure
P_0Sea-level pressure

Example

How altimeters work

Did You Know?

Weather maps adjust all readings to sea level so pressure patterns are not just showing which station sits higher.

atmosphere

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