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The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.
- Orders of magnitude (length) - Wikipedia
The millimetre (SI symbol: mm) is a unit of length in the...
- Millimetre - Simple English Wikipedia, the free encyclopedia
The millimetre is a metric unit of length. The symbol for...
- Orders of magnitude (length) - Wikipedia
The millimetre (SI symbol: mm) is a unit of length in the metric system equal to 10 −3 metres (1 / 1 000 m = 0.001 m). To help compare different orders of magnitude, this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm). 1.0 mm – 1/1,000 of a metre; 1.0 mm – 0.03937 inches or 5/127 (exactly)
Un millimètre ( symbole mm Écouter) est une unité de longueur dérivée du mètre. Sa valeur est égale à un millième de mètre 1 . Valeur et conversions. Sa valeur est de : 1 mm = 10 −3 m = 0,001 mètre, d’où : 1 m = 10 3 mm = 1 000 mm. Unités dérivées. Unité de surface.
The metric system is a number of different systems of measurement with length based on the metre, mass on the gram, and volume on the litre. [1] This system is used around the world. It was developed in France and first introduced there in 1795, 2 years after the execution of Louis XVI.
The metre is the length of the path travelled by light in vacuum during a time interval of 1 / 299 792 458 of a second. This definition fixed the speed of light in vacuum at exactly 299 792 458 metres per second [121] (≈ 300 000 km/s or ≈1.079 billion km/hour [123] ).
millìmetro s. m. [comp. di milli - e metro, sul modello del fr. millimètre (1795)]. – 1. La millesima parte del metro (simbolo: mm). 2. In metrologia, millimetro di mercurio, unità pratica di misura della pressione, di simbolo mmHg e detto anche torr, usato specialmente per le bassissime pressioni che s’incontrano nelle tecniche del ...
The millimetre is a metric unit of length. The symbol for the millimetre is mm. There are 1,000 millimetres in a metre
