9 - Is this a test answer or do you just want to know for a project you're doing? Take a look at NEC chapter 9 - tables 4 and 5 (in the 2005 edition at least)
9
29
12
Two quarters of an inch are in a half inch.
Half inch is equal to 12.7mm
there are 1.27 cm in half an inch 1.27cm
According to the 2005 NEC Annex C, table C.1 you are allowed nine #12 THHN conductors in a 1/2" trade size EMT conduit. If your conduit run is any length at all, you would be wise to increase the conduit size to 3/4". as pulling 9 #12's for any length in 1/2" EMT is very difficult.
there are 1\24 of a foot in a half an inchthere are 1\2 of an inch in a half an inch
Two of them
There are 1.27 centimeters in half an inch.
There are eight eighths in one inch. Therefore, in half an inch, there would be four eighths.
There are 12.7 millimeters in half an inch.