pystdatm

Python Package for Standard Atmosphere

The set of functions that follow International Standard Atmosphere model.

Note: Only SI units are supported.

Sample Code:

from pystdatm import (density, geometric_altitude, pressure,
                      speed_of_sound, temperature, viscosity)

alt = 14000.0 # metres above sea level
print(f'Altitude = {alt:.0f} m\n')

altz = geometric_altitude(alt)
print(f'Geometric Altitude = {altz:.0f} m\n')

temp = temperature(alt)
print(f'Air Temperature = {temp:.2f} K\n')

pres = pressure(alt)
print(f'Air Pressure = {pres:.6g} Pa\n')

rho = density(alt)
print(f'Air Density = {rho:.4f} kg/m**3\n')

mu = viscosity(alt)
print(f'Air Viscosity = {mu:.5g} Pa.s\n')

a = speed_of_sound(alt)
print(f'Speed of Sound = {a:.1f} m/s\n')

# Example of ISA Properties at Altitude with Temperature Deviation
deviation = 10.0 # K

rho_dev = density(alt, deviation=deviation)
print(f'Density ISA+{deviation:.0f} = {rho_dev:.4f} kg/m**3\n')

Sample Output:

Altitude = 14000 m

Geometric Altitude = 14031 m

Air Temperature = 216.65 K

Air Pressure = 14101.8 Pa

Air Density = 0.2268 kg/m**3

Air Viscosity = 1.7826e-05 Pa.s

Speed of Sound = 339.5 m/s

Density ISA+10 = 0.2167 kg/m**3

Metadata

Release files for pystdatm 0.2.2

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Source distribution for pystdatm 0.2.2
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Table of built distributions (wheels) for pystdatm 0.2.2
File	Interpreter	ABI	Platform	Reset
pystdatm-0.2.2-py3-none-any.whl 7.4 kB Oct 24, 2026 With provenance	Python 3	none	any	Details

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Release files / pystdatm-0.2.2-py3-none-any.whl

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Size	7.4 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`4e0df204b3c50d95fdfed31f6bcd9ba2aa4db8bebf221b910f41e1c2ba10e8f3`
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Upload date	Oct 24, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/7.0.0 CPython/3.13.16`

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Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/Xero64/pystdatm
Publishing commit: github.com/Xero64/pystdatm/tree/17bdfc58bfadc35719d5a6060280ee4d474a6c67

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Publishing platform: GitHub Actions
Publishing repository: github.com/Xero64/pystdatm
Publishing commit: github.com/Xero64/pystdatm/tree/17bdfc58bfadc35719d5a6060280ee4d474a6c67

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