Command Line - CPU Temp - unit_of_measurement changing value

[jazzyisj (Jason)]

I use a command line sensor to monitor the temp of my RPi CPU. If defined without a unit_of_measurement parameter it works fine. If I define a unit_of_measurement of °C it doubles the value of the sensor and the state is reported in °F. What gives?

- platform: command_line
  name: CPU Temperature
  command: "cat /sys/class/thermal/thermal_zone0/temp"
  value_template: "{{ '%0.1f'|format(value|float|multiply(0.001)) }}"
  unit_of_measurement: '°C'
  scan_interval: 300

[123 (Taras)]

Configuration Template. How To convert F to C on temperature?

Your situation, having to convert Fahrenheit to Celsius (with Metric being the base unit system), is handled nicely by Home Assistant (as per petro’s advice posted above). In contrast, what’s not (currently) possible is to display two different unit systems (i.e. some entities report in Celsius and others in Fahrenheit). The existing workaround is to omit the leading degree symbol because, without it, Home Assistant does not perform automatic temperature conversion. For more information, see th…

[jazzyisj (Jason)]

Ah ha. This was a new one for me. One of the perils of living near the US border, we tend to mix and match our units. Dropping the degree symbol as we speak. You are a wealth of information and solutions as usual. Thank you.