A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

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A micrometre (American spelling: micrometer, symbol µm) is an SI unit of length equal to one millionth of a metre, or about a tenth of the size of a droplet of mist or fog. It is also commonly known as a micron, although that term is officially outdated. It can be written in the expanded mathmatical notation (1×10-6 m) The symbol µ is the "micro sign", which should look identical to the Greek letter mu (?) (the two may or may not look the same, depending on the font). The symbol "um" is sometimes used, when the µ and ? are not available, for example when using a typewriter. The micrometre is a common unit of measurement for wavelengths of infrared radiation. Some people (especially in astronomy and the semiconductor business) use the old name micron and/or the solitary symbol µ (both of which were official between 1879 and 1967) to denote a micrometre. This practice persists in the face of official discouragement, perhaps to help disambiguate between the unit of measurement and the micrometer, a measuring device.

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How many mm in 1 um? The answer is 0.001. We assume you are converting between millimetre and micrometre. You can view more details on each measurement unit: mm or um The SI base unit for length is the metre. 1 metre is equal to 1000 mm, or 1000000 um. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimetres and micrometres. Type in your own numbers in the form to convert the units!

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

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Did you mean to convert megametre millimetre to um More information from the unit converter How many mm in 1 um? The answer is 0.001. We assume you are converting between millimetre and micrometre. You can view more details on each measurement unit: mm or um The SI base unit for length is the metre. 1 metre is equal to 1000 mm, or 1000000 um. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimetres and micrometres. Type in your own numbers in the form to convert the units! Quick conversion chart of mm to um 1 mm to um = 1000 um 2 mm to um = 2000 um 3 mm to um = 3000 um 4 mm to um = 4000 um 5 mm to um = 5000 um 6 mm to um = 6000 um 7 mm to um = 7000 um 8 mm to um = 8000 um 9 mm to um = 9000 um 10 mm to um = 10000 um Want other units? You can do the reverse unit conversion from um to mm, or enter any two units below: Enter two units to convert From: To:   Common length conversions mm to cuerda mm to milimetro mm to klick mm to sagene mm to micron mm to reed mm to terameter mm to smoot mm to milla mm to milha Definition: Millimeter A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre. Definition: Micrometer A micrometre (American spelling: micrometer, symbol µm) is an SI unit of length equal to one millionth of a metre, or about a tenth of the size of a droplet of mist or fog. It is also commonly known as a micron, although that term is officially outdated. It can be written in the expanded mathmatical notation (1×10-6 m) The symbol µ is the "micro sign", which should look identical to the Greek letter mu (?) (the two may or may not look the same, depending on the font). The symbol "um" is sometimes used, when the µ and ? are not available, for example when using a typewriter. The micrometre is a common unit of measurement for wavelengths of infrared radiation. Some people (especially in astronomy and the semiconductor business) use the old name micron and/or the solitary symbol µ (both of which were official between 1879 and 1967) to denote a micrometre. This practice persists in the face of official discouragement, perhaps to help disambiguate between the unit of measurement and the micrometer, a measuring device. Metric conversions and more ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more! Convert  ·  Metric  ·  Length  ·  Dates  ·  Salary  ·  Chemistry  ·  Forum  ·  Search  ·  Privacy  ·  Bibliography  ·  Contact © 2024 ConvertUnits.com

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