MKV (Matroska) video more exactly is a container, especially for the HD videos. If you have got some MKV videos and want to play them on iPad so that you can watch them anywhere and anytime you like, you need to convert MKV to iPad compatible video files like MP4 and MOV before transferring MKV videos to iPad.
To accomplish the conversion task, you need a video converter that allows you to convert HD MKV videos to iPad MP4 or MOV with high quality. Video Converter Ultimate is just an easy-to-use video converter to help you convert MKV video files to iPad/iPad 2 in a few mouse clicks! Besides, it also supports converting AVI, WMV, MPEG, MOV, MP4, FLV, MTS, etc. videos to iPad with smart editing features. Download it now and follow the below guide to import MKV videos to iPad/iPad 2. If you are using a Mac, please turn to Video Converter for Mac.
Click "File" to import MKV videos on your hard drive to the main windows of the program or simply drag and drop videos to the source pane to import media files. Added videos can be previewed in the preview pane on the right of the main interface.

The software provides many video presets for portable devices. To play MKV files on iPad, just choose "iPad" under Device > Apple as the output format to get videos with optimized settings for iPad. If you want to customize the video parameters, you can click "Advanced" to change the video resolution, encoder, frame rate, etc.

Click "Convert" to convert MKV files to iPad MP4. After the conversion finished, just connect your computer to iPad, import converted MKV files to iTunes and sync your video to iPad. After that, you can watch MKV videos on your iPad. Just enjoy the movies!