= Distance light travels in 1/299 792 458 of a second in vacuum. = Distance light travels in vacuum in 365.25 days = Distance light travels in one second in vacuum In the International System of Units (SI), the basic unit of length is the meter and is now defined in terms of the speed of light. In the physical sciences and engineering, the word "length" is typically used synonymously with "distance", with symbol l or L or letter-like symbol l. This may be distinguished from height, which is vertical extent, and width or breadth, which are the distance from side to side, measuring across the object at right angles to the length. The length of a thing is the distance between its ends, its linear extent as measured from end to end. Length is the long dimension of any object. Kinematic viscosity, diffusion coefficient UnitĮlectric potential, electromotive force, voltage For a set of physical quantities of measure, or dimensions, that are used to define all other SI units, known as SI derived units. The International System of Units (SI) defines seven SI base units. The prefixes are never combined: a millionth of a kilogram is a milligram not a microkilogram. History/origin: A centimeter is based on the SI unit meter, and as the prefix 'centi' indicates, is equal to one hundredth of a meter. For example, kilo- denotes a multiple of a thousand and milli- denotes a multiple of a thousandth hence there are one thousand millimetres to the metre and one thousand metres to the kilometre. Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. Unit conversion tool implements this simple algorithm.Ī prefix may be added to a unit to produce a multiple of the original unit. # now we multiply the amount to be converted by the conversion factor found # derive the conversion factor between the yard and centimeters by dividing the factors found # convert the units in meters (which is the SI base unit for the lengths) To do a conversion (or equivalent) you must multiply the value to be converted by the conversion factor of the start unit and then divide the result by the conversion factor of the destination unit.įor example, we want to know how many centimeters equals 12 yards? On this web page for every unit you can find the conversion factor compared to the base unit (SI unit). # The result cell of the unit selected is editable (hold the left mouse button).Īll units of a physical measure are linked via a conversion factor. # select with the mouse lines of a table, the cell will be updated with the value to be converted, while in the other cell lines the results show the value of the conversion from the size selected. # The table below lists all the results together. # displays the value of conversion in the field result. # enter a numeric value in the From field (default = 1). Select the size measurement from the top combo (length, weight. Ĭontent How to use the conversion tool How to make an equivalence Prefixes Nothing contained herein is intended to express a judgment on, or affect the validity of legal status of, any word or term as a trademark, service mark, or other proprietary mark.Units measurement conversion: Length Area Volume Mass Force Power Energy Time Temperature Angle Speed Flow Acceleration Pressure Electrical Luminance. However no attempt has been made to identify or designate all words or terms to which trademark or other proprietary rights may exist. Those words or terms that the authors and publisher have reason to believe are trademarks are designated as such by the use of initial capitalization, where appropriate. The use in this website and/or in related promotional print or video material of trademarked names and images is strictly for editorial and descriptive purposes, and no commercial claim to their use, or suggestion of sponsorship or endorsement, is made by Skyground Media Inc. The name “Apple” as well as related names, marks, emblems and images are registered trademarks of Apple Inc. The official Apple website can be found at. We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with Apple Inc., or any of its subsidiaries or its affiliates.
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