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A micrometer is a measurement device incorporating a calibrated screw used widely for precise measurement of small distances in mechanical engineering and machining as well as most mechanical trades. The first micrometer was developed by Jean Laurent Palmer of Paris in 1848.
Convert length measuring units between micron (Âµ) and micrometers (Âµm) but in the other reverse direction from micrometers into microns. This online length from Âµ into Âµm converter is a handy tool not just for certified or experienced professionals. First unit: micron (Âµ) is used for measuring length. Second: micrometer (Âµm) is unit of length. The micrometers unit number 1.00 Âµm converts to 1 Âµ, one micron.