A Troy ounce weighs an ounce. 31.103 grams. An Avoirdupois ounce 28.35 grams. More mass in the Troy ounce, but more mass in the Avoirdupois pouns, 16 Oz as opposed to 12 oz troy.
Rick McKee
A Troy ounce weighs an ounce. 31.103 grams. An Avoirdupois ounce 28.35 grams. More mass in the Troy ounce, but more mass in the Avoirdupois pouns, 16 Oz as opposed to 12 oz troy.