Altitude from atmospheric pressure Calculator

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

Altitude from atmospheric pressure
Sea-level pressure P0
    1. hPa
    1. at present location:
Atmospheric pressure P
    1. hPa
Temperature T
    1. °C

    1. at present location:
Altitude h 
    1.  
    2. 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] /27Disp-Num
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    [1]  2020/06/09 02:41   Male / 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
    [2]  2020/02/19 05:28   Male / 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
    [3]  2019/08/25 02:18   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Calculate height in fitness app
    [4]  2018/08/30 22:49   Male / 60 years old level or over / An engineer / Useful /
    Purpose of use
    good calculator
    Comment/Request
    The altimeter of my aircraft does not take into account the temperature.
    Why do you need temperature to compute elevation data ?
    Thanks
    [5]  2018/07/18 03:23   Male / 20 years old level / An office worker / A public employee / Very /
    Comment/Request
    How can one calculate the QNH for another elevation that is not more than 16 meters away from where the barometer is?
    [6]  2018/05/31 15:00   Male / Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Python altitude from pressure and temperature calculator.
    [7]  2017/09/18 14:28   Male / 40 years old level / An engineer / Very /
    Purpose of use
    Checking equations for altimeter
    [8]  2017/08/09 08:54   Male / 50 years old level / An engineer / Very /
    Purpose of use
    Crosscheck using hypsometric formula to compute altitude from pressure output of MEMS sensor for aeronautical instrumentation purposes.
    [9]  2017/07/10 08:37   Male / Under 20 years old / An engineer / Very /
    Purpose of use
    Hobby Airplane
    [10]  2017/05/24 08:12   Male / 60 years old level or over / An engineer / Useful /
    Purpose of use
    Hobby
    Comment/Request
    If I wantt o use this in altitude calculations for a drone, every time I take it out I have to research the sea level temperature and pressure and adjust accordingly?

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