If you want something added to this main post, you can add a comment and I'll consider adding it. It doesn't just need to be about these methods, anything of value to general people in one place is the idea.
My aim is to make this as non-technical as possible and so I'll try keep the language as consistent as possible, but there is some language you'll need to know and understand in some form.
Key Language
How to use the calculator
Why there isn't one perfect conversion f
The Sensitivity Rating (A comparator for perceived sensitivity)
The Sensitivity Rating is a best-effort value used for measuring and comparing the perceived sensitivity.
For 2D, the sensitivity rating is called 'Control-Display Gain' (CD Gain).
For 3D, the sensitivity rating doesn't really have a term. 'Curvature Focal Length Product' (CFLP) has been suggested to me.
The 360° distance (cm/360°, cm/rev) is not a measurement of sensitivity. It is just the distance to rot