the unit of weight in the metric system, equal to about 15.4323 grains in the English system. A decagram, or ten grams, equals 5.644 drams; a hectogram (100 grams) equals 3.527 ounces; a kilogram (1000 grams) equals 2.205 pounds; a myriagram (10,000 grams) equals 22.046 pounds.