@Buhaj47: Take a look here:
https://www.mobileread.com/forums/sh...d.php?t=134000
Count Pages can be used download page count data from Goodreads, or you can choose one of the algorithms for calculating a number. I use the "chars per page" algorithm (2350 characters = 1 page).
You don't have to use any plugin (you can manually input desired number) , but that forum topic contains instructions & screenshots illustrating how to create custom column for storing number of pages and where to find Kindle device driver settings to tell it to use that custom column you've created. Then Calibre will create mapping that results in that number of pages.
@johnyyb: Well, it's not actually without Calibre, since you're at minimum using Calibre to hyphenate the epub file, and at maximum the whole procedure (including sanding the email) can be done using Calibre.
But it is without USB cable
