How to transfer PDF files to iPhone 4S?

I bought this exercise program and it included some PDF files. I want to transfer those PDF files to my iPhone so I can bring them with me to the gym.

If you don't have it already, you'll need to download iBooks (it's free). Once you have it then you'll have a Books tab in iTunes. Add the PDF like you would a music file and it'll show up under Books. When you sync, tell it to sync the book.

I use 4Videosoft iPhone 4S Transfer Platinum, you can google its full name to learn more.

Tools needed: Calibre; itunes; iBooks.

Have ibooks on your iPhone 4S; convert the PDF to EPUB for preparation; Sync the converted PDF to itunes; Transfer to ibooks.

Tutorial: http://www.pdfmate.com/how-to-add-books-to-ipad-ibooks.html

It's easy to do this with iTunes, so you need to download the iTunes first in your computer, then follow these steps in this article, http://www.simpopdf.com/resource/how-to-transfer-pdf-to-ipad-iphone-ipod-touch.html

hope this helps.

Send the PDF to iCloud or dropbox. You can get the file anytime.