Micro (Greek letter μ, mu, non- italic) is a unit prefix in the metric system denoting a factor of one millionth (10 −6). [1] It comes from the Greek word μικρός (mikrós), meaning "small".

Aug 11, 2014 · “Micro is the smallest prefix.” Many assume micro- (μ, 10⁻⁶) is the smallest prefix because it’s commonly used in medicine and biology (e.g., micrometers, micrograms).

Jan 13, 2010 · SI prefixes for submultiples (smaller quantities or sub units) are formatted with all lowercase symbols while prefixes for multiples (larger quantities or whole units) use uppercase …

Micro is a SI unit prefix in the metric system denoting a factor of 10⁻⁶ (one millionth). It is represented by the prefix micro or the symbol µ.

The decimeter is one tenth of a meter, the centimeter is one hundredth of a meter, the millimeter is one thousandth of a meter, and the micrometer is one millionth of a meter. In practice, some …

Dec 2, 2025 · Micrometre, metric unit of measure for length equal to 0.001 mm, or about 0.000039 inch. Its symbol is μm. The micrometre is commonly employed to measure the thickness or …

Metric prefix A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decimal. Each prefix has …

Micro is a unit prefix in the metric system denoting a factor of one millionth (10−6). It comes from the Greek word μικρός, meaning "small".

The micrometre is a common unit of measurement for wavelengths of infrared radiation as well as sizes of biological cells and bacteria, [1] and for grading wool by the diameter of the fibres. [2] …

Sep 2, 2021 · Micro units are very small apartments, typically less than 350 square feet — slightly larger than a one-car garage. Think of a tiny home, but an apartment instead.