micrometre

Also known as µm, micron, um, micrometres

The micrometre (or micrometer in US spelling; symbol: μm) is a unit of length in the International System of Units (SI) equalling (SI standard prefix "micro-" = ); that is, one millionth of a metre (or one thousandth of a millimetre, , or about ). Also known as a micron.

AI overview

A micrometre is a unit of measurement equal to one millionth of a metre (or about one twenty-five-thousandth of an inch), commonly used in science and industry to measure very small objects and distances. It matters because many important things—like bacteria, viruses, and the components of computer chips—exist at scales where micrometres are the natural way to describe their sizes.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Unit.image: 300px
Unit.caption: A 6 μm diameter carbon filament above a 50 μm diameter human hair
Unit.name: micrometre
Unit.symbol: μm
Unit.standard: SI
Unit.quantity: length
Unit.units1: SI base units
Unit.units2: Natural units
Unit.units3: imperial/US units

via Wikipedia infobox

Wikidata facts

Show 5 more facts

conversion to standard unit: 0.0000000006213711922373339
unit symbol: µm
Unicode character: ㎛
conversion to SI unit: 0.000001
Wikidata SPARQL query equivalent: wd:Q175821 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)

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Article

6 sections

Contents

Examples
SI standardization
Symbol
See also
Notes and references
External links

The nearest smaller common SI unit is the nanometre, equivalent to one thousandth of a micrometre, one millionth of a millimetre or one billionth of a metre ( or ).