Convet MOBI to EPUB failed

jrh_calibre · 08-30-2013, 11:11 AM

I'm using Calibre 1.1.0 (32-bit) on a Win8 PC (64-bit). I just tried to convert a 31 MB MOBI file to EPUB, but the conversion failed. The input MOBI is in Kindle DX format, the EPUB output is iPad 3 format. I have attached a txt file of the error details. I see MemoryError a couple of times, but I don't know what it means. Please advise me on how to proceed.

BTW, after this conversion failed, I successfully converted another MOBI file into EPUB.

This is my first post to this forum. Thanks very much.

kovidgoyal · 08-30-2013, 11:47 AM

A MemoryError means you need to switch to calibre 64bit.

jrh_calibre · 08-30-2013, 03:01 PM

Thanks, Kovid.

I installed 64-bit Calibre, and the conversion worked this time! It took 117 minutes, but at least it worked.

But, after all, the MOBI was 31 MB (the output EPUB is only 21 MB).

08-30-2013, 11:11 AM	#1
jrh_calibre Junior Member Posts: 2 Karma: 10 Join Date: Aug 2013 Device: Kindle DX	Convet MOBI to EPUB failed I'm using Calibre 1.1.0 (32-bit) on a Win8 PC (64-bit). I just tried to convert a 31 MB MOBI file to EPUB, but the conversion failed. The input MOBI is in Kindle DX format, the EPUB output is iPad 3 format. I have attached a txt file of the error details. I see MemoryError a couple of times, but I don't know what it means. Please advise me on how to proceed. BTW, after this conversion failed, I successfully converted another MOBI file into EPUB. This is my first post to this forum. Thanks very much.

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08-30-2013, 11:47 AM	#2
kovidgoyal creator of calibre Posts: 45,198 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	A MemoryError means you need to switch to calibre 64bit.

08-30-2013, 03:01 PM	#3
jrh_calibre Junior Member Posts: 2 Karma: 10 Join Date: Aug 2013 Device: Kindle DX	Thanks, Kovid. I installed 64-bit Calibre, and the conversion worked this time! It took 117 minutes, but at least it worked. But, after all, the MOBI was 31 MB (the output EPUB is only 21 MB).