Calibre

• 1). Load your e-book into your Calibre library by clicking the "Add Books" button. You can import books from a single directory, or import multiple books from multiple directories.
  
  
• 2). Connect your Kindle to your computer. The "Device" option appears on the Calibre toolbar.
  
  
• 3). Click the "Library" icon to view e-books on your computer. Select the EPUB book you want to add to the Kindle and drag it over to the "Device" icon.
  
  
• 4). Click "Yes" when Calibre asks if you want to auto-convert the EPUB e-book to a compatible Kindle format. This begins the conversion process; you can view the progress by clicking the status icon in the lower right corner of the window. A check mark appears to the left in the "On Device" column when the process is completed.
  
  

Convert Files

• 1). Navigate your browser to the Covert.Files Web page at convertfiles.com. Click the "Browse" button and select the EPUB e-book on your computer. If you have a URL for the e-book, you can instead select the "Download It From" option and enter the URL.
  
  
• 2). Check that the input file type is correct; the website should automatically select "EPUB E-Book (.epub)." Under the "Output Format," select one of the supported file types for the Kindle. Available Kindle-compatible output formats include MOBI, PDF and TXT.
  
  
• 3). Choose the "Send a Download Link to my Email" if you want a copy of the converted file in your inbox.
  
  
• 4). Click the "Convert" button. The website uploads your file and begins the conversion process; do not close your browser or tab while this process continues. The website displays your download link when the conversion is complete.
  
  
• 5). Click the download link to save the converted file to your computer.