Show unit of measure?

I've searched the forum for help with how to show the unit of measure on products. My goal is to have the products show (after the price), "ea." or "yd." depending on the product. My store sells "whole" products but also fabric by the yard, so I want customers to be clear when the product is sold by the yard or as "each". Any assistance would be appreciated.

Thank you.

SYSTEM>LOCALISATION>LENGTH CLASSES. Create the one you want and apply it to that product.
Then look at the bottom of this thread for instructions on how to display the yard measurement
http://forum.opencart.com/viewtopic.php?t=16843

Thanks for your reply, AVVICI. I will give that a try in the next day or so (it's Saturday now).

I looked at that post and I see how to add the length, width, height, but all I want to add is the actual "Length Class" identifier, i.e., inch or foot or yard, etc. Can you help me with that?

Thank you,
Keith