Altitude calculation seems off

[elpiel]

Current altitude formula

In #5 altitude methods were introduced for calculating and calibrate abs. difference, however, the current formula calculations (taken from https://www.weather.gov/media/epz/wxcalc/pressureAltitude.pdf) seem wrong when compared to other online tools.

https://www.omnicalculator.com/physics/air-pressure-at-altitude

Logs:

INFO - BMP388 Calibrating at altitude 141.36888383097644 meters
INFO - New Sea level set at: 101328.06208886617 Pa
INFO - (bmp388 sensor_values): Pressure: 99628.1662335411; Temperature: 25.38629681384191; Altitude: 141.36888383097644 m
INFO - (bmp388 sensor_values): Pressure: 99634.87939805973; Temperature: 25.453032821416855; Altitude: 142.54845930816927 m
INFO - (bmp388 sensor_values): Pressure: 99622.3665093767; Temperature: 25.453032821416855; Altitude: 142.11197706159922 m
INFO - (bmp388 sensor_values): Pressure: 99635.88297983391; Temperature: 25.457481851335615; Altitude: 142.28127752284794 m
INFO - (bmp388 sensor_values): Pressure: 99645.22866162275; Temperature: 25.461930876597762; Altitude: 141.76015579386856 m
INFO - (bmp388 sensor_values): Pressure: 99622.3665093767; Temperature: 25.453032821416855; Altitude: 141.59085769020234 m
INFO - (bmp388 sensor_values): Pressure: 99635.88297983391; Temperature: 25.457481851335615; Altitude: 141.76015579386856 m

New formulas

https://www.grc.nasa.gov/WWW/K-12/airplane/atmosmet.html