Asia Weights is a term used to describe the traditional weights and measures used in Asia. The three main units of measurement are Taels (5 letters), TONS (4 letters) and Tares (5 letters). Taels are a unit of weight used in China, Japan and Korea, and are equal to about 1.3 ounces. TONS are a unit of weight used in India and are equal to 2, 000 pounds. Tares are a unit of weight used in Japan and are equal to about 0.3 ounces.