naming convention for INTEGER attribute types with measurement unit

[Zhang Weiwu]

Is there a naming convention for attribute types whose SYNTAX is INTEGER?
If I wish to represent 300g as a weight, should I use

  ibmWeightInGrams: 300

or
  ibmWeightInGRam: 300

or
  ibmGrams: 300

or
  ibmGram: 300

What is the convention way? There seems to be no INTEGER attribute types 
shipped with openldap, thus I have no references.

In my use case, ordered comparison of integer value is required, thus I 
cannot use:

  ibmWeight: 300g