Pennyweight Pennyweight A pennyweight (abbreviated dwt, from denarius weight) is a unit of mass that is equal to 24 grains, of a troy ounce, of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams. In the Middle Ages, a British penny's weight was literally, as well as monetarily, of an ounce and of a pound of sterling silver. At that time, the pound in use was the Tower pound, equal to 7,680 Tower grains (also known as wheat grains). The medieval English pennyweight was thus equal to 32 Tower grains. When Troy weights replaced Tower weights in 1527, the
Ancient grains product containing "ancient grains" called "Cheerios + Ancient Grains". Proponents of ancient grains say that they are rich in protein, omega-3 fatty acids and antioxidants. Some nutritionists state that they are not inherently more healthy than modern grains, and that ancient and modern grains have similar health benefits when eaten as whole grains. This has led to criticism of the grouping as unscientific and driven by marketing. Some, but not all, ancient grains are gluten-free. Amaranth, quinoa, buckwheat, millet, and teff are gluten-free, but oats and the ancient kinds of wheat (including spelt, einkorn, and Khorasan wheat) are not. Ancient