How can I convert a .mkv video file to burn on DVD? Possibly to .wmv or .avi formats? I use Nero 9 to burn DVDs.
I'd just use DVD Flick. The more you convert a video the more it's going to lose quality unless you select lossless. DVD Flick should accept MKV files and you won't need to do an intermediate encode.
To burn AVI, MPEG, DivX, XviD, DV, VOB, WMV, MP4, MKV, ISO etc videos to DVD, I recommend this professional DVD burner software:
In just a few steps, you can convert and burn video files to DVD, burn DVD movie from video formats such as AVI, MPEG, DivX, XviD, DV, VOB, WMV, MKV, MP4 to a format that is compatible to play with most portable or home DVD players. Besides burning DVD-format discs, the DVD movie creator also allows you to burn DVD folders and ISO files.
Well, actually, you don't have to convert MKV to AVI or others. Remember the conversion process will cause quality loss. So I would suggest you burn MKV to DVD directly. You may check out this step-by-step guide:
Here is a tutorial you can reading. It will tell you how to do that.
This DVD rip have a free version. you can try it arbitrary.
Just go to Karl's post on How To Convert MKV Files To Burn As A DVD.
Also, do read the comments as a few more solutions have been added.