In the metric system, a microgram or microgramme is a unit of mass equal to one millionth (10−6) of a gram. Two different abbreviations are commonly used. The International System of Units (SI) uses …

Aug 9, 2025 · Symbol μg (metrology) Symbol for microgram, an SI unit of mass equal to 10 −6 grams. Synonyms: mcg, microg (English), ug

A microgram (µg or mcg) is one-millionth of a gram (1 µg = 0.000001 g) or one-thousandth of a milligram. Used for extremely small quantities in medications, vitamins, and trace elements.

The microgram is a multiple of the unit gram (g) for mass & weight. The International System of Units (SI) defines the prefix micro (μ) as a factor of one millionth or 10⁻⁶ or 0.000001. Per this definition, …

Sep 2, 2025 · The microgram is a fundamental unit of mass within the metric system, designed for measuring exceptionally small quantities of substances. This minute measurement plays a crucial …

微克（WēiKè），质量单位，符号 μg或mcg（英语：microgram）。 1μg 等于一百万分之一克。 等于10的-6次方克，1000微克等于1毫克，10亿微克等于1千克。 在公制系统中，微克被广泛应用于药品 …

Nov 10, 2025 · A microgram is formally defined as a unit of mass equal to one millionth (1/1,000,000) of a single gram. This unit is part of the International System of Units (SI), which provides a …

Aug 28, 2024 · The microgram, abbreviated as “µg,” is a unit of mass in the metric system that is equal to one millionth of a gram. Despite its small size, the microgram plays a significant role in various …

The meaning of MICROGRAM is one millionth of a gram.

What is a microgram? A microgram is a unit of mass in the metric system that is equal to one millionth of a gram. It is commonly used to measure very small amounts of substances, such as medications, …