Weight measure is a term used to describe the various units of measurement used to quantify the weight of an object. The most common units of weight measure are the TON, TAEL, and CARAT. A TON is a unit of measurement equal to 2, 000 pounds or 907 kilograms. A TAEL is a unit of measurement used in East Asia, equal to 1.2 ounces or 37 grams. Finally, a CARAT is a unit of measurement used to measure the weight of gemstones, equal to 0.2 grams.