WTH can't we choose the units we want to measure temperature, pressure, etc. in

Over the last few years I’ve watched as the devs have continually changed their minds about what units things like temperature, pressure, and even air quality are measured in. Every time you change it, it breaks something for me.

My question to you, why don’t you manage this in an internal way which standardizes it internally, but allows the user to decide which units their sensors will be displayed in, so that when you mess with things in the back end, it doesn’t mess up things for me?

Certainly unit conversion is not a very difficult feature to add?

Please vote here.