| A | B |
|---|
| metric system | A decimal system of weights and measures. |
| meter | The basic unit of length in the metric system. |
| gram | The basic unit of mass in the metric system. |
| liter | The basic unit of capacity in the metric system. |
| customary system | The primary system of weights and measures used in the United States. |
| capacity | The maximum amount that can be contained within an object. |
| centimeter | A metric unit of length equal to one-hundredth of a meter. |
| cup | A customary unit of capacity equal to 8 fluid ounces. |
| fluid ounce | A customary unit of capacity. |
| foot | A customary unit of length equal to 12 inches. |
| gallon | A customary unit of capacity equal to 4 quarts. |
| hour | A commonly used unit of time equal to 60 minutes and 1/24 of a day. |
| inch | A customary unit of length equal to 1/12 of a foot, |
| kilogram | A metric unit of mass equal to 1000 grams. |
| kilometer | A metric unit of length equal to 1000 meters. |
| mile | A customary unit of length equal to 5,280 feet or 1,760 yards. |
| milligram | A metric unit of mass equal to one-thousandth of a gram |
| milliliter | A metric unit of capacity equal to one-thousandth of a liter. |
| millimeter | A metric unit of length equal to one-thousandth on a meter. |
| minute | A commonly used unit of time equal to 60 seconds and 1/60 of an hour. |
| ounce | A customary unit of weight equal to 1/16 of a pound.. |
| pint | A customary unit of capacity equal to two cups. |
| pound (lb) | A customary unit of weight equal to 16 ounces. |
| quart | A customary unit of capacity equal to two pints. |
| second | A commonly used unit of time equal to 1/60 of a minute. |
| ton | A customary unit of weight equal to 2,000 pounds. |
| yard | A customary unit of length equal to 3 feet or 36 inches. |
