Sea Level Pressure Calculator

Calculate sea level pressure quickly and accurately with our easy-to-use online tool. Get started now!

Atmospheric pressure, the force exerted by the weight of air on a given surface, can be calculated based on given values at sea level using this calculator.

Atmosperic Pressure
Pa
Temperature Lapse Rate
K/m
Altitude
mm
Sea Level Standard Temperature
K
Earth Surface Gravitational Acceleration
m/s-2
Molar Mass of Dry Air
kg/mol
Universal Gas Constant
j/(mol*k)
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    8 Number of calculations
    p = \frac{p}{1 - \frac{Lh}{To}}\cdot\frac{gM}{RL}

    where:

    • po = SeaLevel Pressure
    • p = Atmospheric Pressure
    • L = Temperature Lapse Rate
    • h = Altitude
    • To = Sea Level Standard Temperature
    • g = Earth Surface Gravitational Acceleration
    • M = Molar Mass Of Dry Air
    • R = Universal Gas Constant