UNITS OF WEIGHT IN THE U.S. SYSTEM 1 pound (lb.) = 16 ounces (oz.) 1 ton (T) = 2,000 pounds (lb.) UNITS OF WEIGHT IN THE METRIC SYSTEM 1 gram ≈ the weight of a paper clip 1 gram ≈ the weight of a raisin 1 gram = 1,000 milligrams (mg) 1 gram = 100 centigrams (cg) 1 kilogram (kg) = 1,000 grams 1 metric ton (t) = 1,000 kilograms