Quote Originally Posted by Simon Barden View Post
Note that it's probably not ideal for a nylon strung guitar, where the string diameters are all pretty similar.
That's true! In addition to the guide you found I also saw this one that calculates from the sides of the nut rather than from E string centers:

https://manchesterguitartech.co.uk/f...ut-calculator/

But you are probably also right that compensating is overkill for a classical.