Definitions by _aciid_

8th 

Usually used to measure drugs, specifically weed, the exact amount of an 8th in grams is 3.54369039 but usually rounded to 3.5g

An 8th is one eighth of an ounce. So 1oz / 8:

1 ounce = 28.3495231 grams
28.3495231 / 8 = 3.54369039

8th by _aciid_ March 30, 2009