Stone (US): While the stone is not commonly used in the United States, it is equivalent to 14 pounds (approximately 6.35 kilograms). In some contexts, people may refer to their weight in stones.
Pennyweight: The pennyweight (abbreviated as dwt) is a unit of mass commonly used in the jewelry industry to measure the weight of precious metals, particularly gold and silver. One pennyweight is equal to 24 grains or approximately 1.555 grams.