Mass

U.S. Customary Units
ounce (oz) -
pound (lb) - sixteen ounces
ton (T) - two thousand pounds

Metric Units
gram(g) -
kilogram(kg) - one thousand grams
metric ton (MT) - one thousand kilograms (2,205 pounds)
ounce = oz - smallest unit of mass
pound = lb -
ton - T-
gram (g) - one thousand milligrams, much smaller than an ounce (0.035)
kilogram (kg) -
metric ton (MT) -
Additional Notes: