Altitude from atmospheric pressure Calculator

Calculates the altitude at the present location from the atmospheric pressure and temperature, and sea-level pressure.

 Sea-level pressure P0 hPa at present location: Atmospheric pressure P hPa Temperature T °C 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit at present location: Altitude h m
The atmospheric pressure observed is adjusted to the equivalent sea level pressure in order to construct the isobaric weather map.
If the altitude is more than 11km high above sea level, the hypsometric formula cannot be applied because the temperature lapse rate varies considerably with altitude.

Altitude from atmospheric pressure
 [1-10] /34 Disp-Num5103050100200
[1]  2023/01/25 02:22   60 years old level or over / A retired person / Very /
Purpose of use
Checking altitude from Bosch BME688 sensor
[2]  2022/07/05 03:15   60 years old level or over / A retired person / Very /
Purpose of use
Building an electronic altimeter
[3]  2022/01/17 23:33   60 years old level or over / A retired person / Very /
Purpose of use
comparison of readings from various sensors
[4]  2021/06/15 18:57   20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Needed the calculation formula for implementation in sensor readings processor
[5]  2021/06/03 04:06   20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Data analysis
Comment/Request
Is there a reference where this formula comes from? Any text book/ paper?
from Keisan
Atmospheric pressure from altitude
-> Related links -> Derivation of an equation

The pressure formula can be rearranged to make "h" the subject
and the altitude formula is obtained.
[6]  2021/01/29 18:25   60 years old level or over / An engineer / Very /
Purpose of use
Comment/Request
allow other units of entry (mmHg, bar, etc
[7]  2021/01/29 15:50   30 years old level / Self-employed people / Very /
Purpose of use
helped with a UAV controller
[8]  2020/06/08 17:41   60 years old level or over / An engineer / Very /
Purpose of use
Used as a check for my projectile calculation programming.
Comment/Request
very useful
[9]  2020/02/18 20:28   Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
To calculate the altitude of a high performance rocket using pressure and temperature sensors
[10]  2019/08/24 17:18   Under 20 years old / High-school/ University/ Grad student / Useful /
Purpose of use
Calculate height in fitness app

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