How is the air pressure calculated

Calculate air pressure at a certain altitude


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Calculator for the expected air pressure at a target altitude based on the current values. Enter the current air pressure, altitude and temperature, as well as the target altitude and the temperature there. The air pressure at the target altitude is an estimate for normal weather conditions, not for extremes. A less precise, but simpler calculation can be carried out using the international height formula.




The Temperature gradient indicates how quickly the temperature falls with altitude. A good estimate in normal weather is 0.0065 ° C / meter.
Temperature gradient = (temperature at current altitude - temperature at target altitude) / altitude difference
Barometric altitude formula:
Air pressure at target altitude = air pressure at current altitude * (1 temperature gradient * altitude difference / temperature at current altitude in Kelvin) ^ (0.03416 / temperature gradient)

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