enÂ·viÂ·ronÂ·menÂ·tal. adj. 1. Relating to or associated with the environment. 2. Relating to or concerned with the impact of human activities on the natural environment: the environmental movement.
American ounce is 28.349 grams. Meaning 14.1745 grams rounded down at the thousandth place or 14.1746 to be exact. A troy ounce is different at 31.1035 grams per ounce ( this is the weight used for bullion currency ). So half a troy ounce is 15.55175 grams. On the street many people will say an ounce is 28 grams or 14 grams per half ounce, none of these are correct or incorrect. It depends on the circumstance or environment where the metrics are used.
For example, to find out how many grams there are in an ounce and a half, multiply the ounce value by the conversion factor, that makes 1.5 oz * 28.3495231 = 42.52 grams in an ounce and a half. Ounce is a unit of mass in US customary and imperial measurement systems. There are 16 ounces in a pound and 35.274 ounces in a kilogram. The abbreviation is oz. Gram is a unit of mass in metric system. There are 28.349 grams in an ounce, 453.592 grams in a pound and 1000 grams in a kilogram. The abbreviation is g.