Capitalize them
Usually its the short form of Kilograms.
Apt #
Abbreviature is an abridgement, an abbreviation of a word or phrase, or the process of abbreviating in this manner.
The standard two-letter abbreviation for the state of Montana is MT.
The abbreviation for the noun pound is lb.
Bachelor of Science is abbreviated B.S.
CVs is correct
It is known as abbreviating the word.
An more ghetto way of abbreviating GTFO, which means get the F out.
The noun forms for the verb to abbreviate are abbreviation and the gerund, abbreviating.
Use the capital K when denoting thousands.