How do you covert pounds to pennyweight ounces?
"A 'pennyweight' weighs three and a half grams (equivalent to an eighth of an ounce)"No, it doesn't, a 'pennyweight' weighs exactly 1.55517 gramsIt is 1/20 th of a troy ounce or 1/240 th of a troy pound. Troy pounds are lighter than normal avoirdupois pounds and have only 12 troy ounces to the troy pound.