1/8 of an ounce Share definition Flag 3.543 rounds to 3.5 1/8 of an ounce just like 1/8 (an eighth) of shrooms is 3.5 grams of the ounce. 1/8 of an ounce by PsychedelicPepsi September 17, 2013 0 0 Get merch Get the 1/8 of an ounce mug. Buy Now — $32.95 See more merch