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What is the millimeter ?

Source: en.wikipedia.org

" The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore, there are one thousand millimetres in a metre. There are ten millimetres in a centimetre. One millimetre is equal to 1000 micrometres or 1000000 nanometres. "

Length Units

Millimeter Centimeter Meter Kilometer Mile Yard Foot Inch

Temperature Units

Celsius Kelvin Fahrenheit

Area Units

Acre Square meter Square kilometer Hectare Square mile Square yard Square foot Square inch

Volume Units

Cubic meter Cubic foot Cubic inch Liter Milliliter Imperial gallon US liquid gallon

Weight Units

Milligram Gram Kilogram Metric Ton Pound Ounce Carat

Time Units

Second Millisecond Minute Hour Day Week Month Year

Speed Units

meter / second kilometer / hour mile / hour

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