We mentioned JConverter awhile back as a free app that helps with conversions between different units. The developer let me know that he has just released version 2.0 which gives the app a whole new facelift but bumps the OS requirements to 4.6.1+ so this is 8900 & Storm only for now. If you have an older device you can always use the open source & free BerryUnitConverter.
The main update in this version of JConverter are the new look with updated categories as you can see below:
You can read more at this link or download the app using the links below. If you want to support the author make sure to send him a few bucks using the donation button on that page.
Thanks Tashanna for also sending this one in!