E book formats printout

Ok using caliber e book reader and seen that it accepts a bunch of formats; E pub / P D F / TxT / Lit / RTF
etc .

So I find an e book and want to print it out but was wondering thinking of number of pages the various will
print out depending on what format. So wondering if one format uses less pages; fewer pages then another to print out an ebook and how the type might look and how photos and graphs; drawings etc will look; would their be any difference ?

So which format uses less paper; would be a paper saver and would that always save paper from e book to e book a consistent printing paper saver ! ?

Hope that makes sense thanks for the help : )

 

I would have though that for printing the more important thing would be ink saving, and maybe the best way would be a double barrelled approach of first copying the text to a word document, (If allowed)
Then choosing both a small font size (Depends on eyesight and ability to read it) and also a font that is of a fine thickness so it uses less ink, then print from the word document.

The smaller the font then the more words to a page so saving paper, the finer font will also save ink use.

Just my two pennyworth.

Bear it in mind that some E Books may be copyright protected and therefore will not allow any form of copying.

Nev.