Metric System
10 milligrams (mg)	1 centigram (cg)
10 centigrams	1 decigram (dg) = 100 milligrams
10 decigrams	1 gram (g) = 1,000 milligrams
10 grams	1 dekagram (dag)
10 dekagrams	1 hectogram (hg) = 100 grams
10 hectograms	1 kilogram (kg) = 1,000 grams
1,000 kilograms	1 metric ton (t)
U.S. System
2711/32 grains	1 dram (dr)
16 drams	1 oz = 4371/2 grains
16 ounces	1 lb = 256 drams = 7,000 grains
100 pounds	1 hundredweight (cwt)1
20 hundredweights	1 ton (tn) = 2,000 lbs