Metric System

그램

정의

킬로그램의 1/1,000(10⁻³ kg)에 해당하는 미터법 질량 단위로, 원래 4°C에서 물 1 cm³의 질량으로 정의되었다.

설명

The gram provides a convenient scale for everyday small masses: a paperclip weighs about 1 gram; a US nickel coin weighs exactly 5 grams; a slice of bread weighs roughly 25–30 grams. Nutrition labels express nutrient content in grams and milligrams. The milligram (mg = 0.001 g) is used in pharmacology for drug dosages; the microgram (µg = 10⁻⁶ g) is used for vitamins and trace minerals.

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