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| carat |
a unit of weight for diamonds and other gems, equal to one-fifth of a gram. |
| centigram |
A centigram is a unit of weight in a system of measurement called the "metric system." A centigram is equal to 1/100 of a gram in that system. That means it takes 100 centigrams to equal one gram. If something weighs one gram, it weighs about as much as a raisin. So if something weighs 1/100 of a gram, it weighs very, very little. One centigram of weight is a very tiny amount. |
| g1 |
abbreviation of "gram" or "grams." |
| gram1 |
A gram is a unit used to measure weight using the metric system. If something weighs one gram, it weighs about as much as a raisin or a small safety pin. In the United States, people are more used to units of measure like pounds and ounces, but the metric system uses different units. The metric system is important because it is used in science and also in everyday life in most countries around the world. |
| kilogram |
A kilogram is a unit of weight equal to one thousand grams. It is a unit of weight in the metric system. A gram is a small amount of weight. It's around the weight of raisin or the cap of a pen. One thousand grams--a kilogram--equals a bit more than two pounds. A short way to write kilogram is "kg." |
| metric system |
The metric system is a way to measure things. It's a way to measure how long something is, for example, or how heavy or how tall. It's also a way to measure how much of something there is--like how much water there is in a bottle or how much peanut butter there is in a jar. In America, people use words like inches, feet, miles, pounds, and ounces when they measure things, but the metric system uses different words, and they don't mean the same things. The metric system uses words like meter, gram, and liter for measuring things. The metric system is used by people of most countries of the world to measure things around them. And the metric system is used by scientists of all countries in their work. |
| milligram |
a unit of weight equal to one thousandth of a gram. (abbreviated: mg) |
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