These handpicked articles might be of use to you. A troy ounce weighs approximately 31.104 grams, while a regular, or avoirdupois, ounce weighs approximately 28 grams. A ‘dime’ bag of weed is approximately $10 worth. The silver Roosevelt dimes, Mercury dimes, and Barber dimes all weigh 2.5 grams, an increase of 0.232 grams. They were small silver coins. As seen on the coin image, Liberty is showcased on the obverse while the reverse has Roman fasces in front of an olive branch. History of the Roosevelt Dime . However, what about the next one in line? The price of meth also depends upon the amount purchased and where in the country it is sold. The typical weight for a US dime is currently about 2.27grams, though the Canadian dime's weight may differ. US dimes have a diameter of 17.91 mm, a thickness of 1.35 mm, and are composed of in a metallic clad sandwich of copper (91.67%) and nickel (8.33%). What’s the diameter of a dime? Though the obverse was similar to that of the earlier design, Liberty’s head now sported a cloth cap. Because of the resemblance to the Roman god Mercury, the coin became known popularly as the "Mercury Dime". Half Dollar.