(slang) An “eighth” of an ounce equalling approximately 3.5 grams in marijuana or other drugs.

How much is an eighth in grams?

Quite simply, an eighth weighs an eighth of an ounce — hence the term — which comes out to about 3.54 grams, if you’re metrically inclined, and often just a flat 3.5 grams, at least on the street. In other words, it’s pretty light; by comparison, a nickel coin weighs exactly 5 grams.

Is an 8th A 3.5 g?

By grams, an eighth of an ounce comes in at about 3.5 grams, which is just a bit more than your average penny that weighs 3 grams.