How about this:
Your handy Ti-Nspire can now – step by step – convert any units such as time, mass, length, area, volume, speed, temperature, impulse, momentum, pressure, work, energy, density, pH-Level, Mass, Moles, degree/radian, DMS, Convert to any base, Polar coordinates etc
On top of that you can do prime checking, compute tips, gas consumption, currencies, etc and much more!!
Here is a brief video showing you how to convert units with ease: