The micrometre (or micrometer in US spelling; symbol: μm) is a unit of length in the International System of Units (SI) equalling 10−6 metre (SI standard prefix "micro-" = 10−6); that is, one millionth of a metre (or one thousandth of a millimetre, 0.001 mm, or about 0.000 04 inch). Also known as a micron. [1]
It is equal to one millionth of a meter or 0.000001 meters. The symbol for micrometer is μm, derived from the Greek letter "mu" (μ) which represents micro, meaning one millionth. The micrometer is commonly used in scientific and engineering fields where precise measurements are required.
A strain is usually expressed in μm/m (micrometer per meter), also known as microstrain, which has the symbol µε. You may also see “mV/V,” which refers to the output in millivolts per volt of excitation.
micrometre, metric unit of measure for length equal to 0.001 mm, or about 0.000039 inch. Its symbol is μ m. The micrometre is commonly employed to measure the thickness or diameter of microscopic objects, such as microorganisms and colloidal particles.
Convert micrometers (µm) to another unit of length such as miles, yards, or feet, and see the conversion formulas.
Microm is a measure of length. Get more information and details on the 'microm' measurement unit, including its symbol, category, and common conversions from microm to other length units.
Unlike calipers, micrometers enclose the object between two surfaces, allowing measurements down to a fraction of a millimeter, often to the nearest micrometer (μm).
A Micron, also known as a micrometer, is a unit of length in the metric system equal to one-millionth of a meter (1 µm = 10⁻⁶ m). It is commonly used to measure dimensions that are too small to be expressed in millimeters. For example, the diameter of a human hair ranges from about 50 to 100 microns. The official symbol for micron is µm.