In 2019, the meter has been re-defined based on the changes made to the definition of a second. Prior to this definition, the meter was based on the length of a prototype meter bar. The relationship between the meter and the millimeter is constant however. Millimeters 83 Inches InchMeter(Millimeters / 1000) Inches 3. The definition of the meter has changed over time, the current definition being based on the distance traveled by the speed of light in a given amount of time. It indicates one thousandth of the base unit, in this case the meter. History/origin: The milli- prefix is one of many metric prefixes. It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second. ![]() Millimeterĭefinition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). Height is commonly measured in centimeters outside of countries like the United States. Learning some of the more commonly used metric prefixes, such as kilo-, mega-, giga-, tera-, centi-, milli-, micro-, and nano-, can be helpful for quickly navigating metric units.Ĭurrent use: The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Metric prefixes range from factors of 10 -18 to 10 18 based on a decimal system, with the base (in this case the meter) having no prefix and having a factor of 1. 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. Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types.Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. ![]() You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.Ĭonversion calculator for all types of measurement units. mm to cm formula cm mm 0. ![]() For example, to convert 50 millimeters to centimeters, divide 50 by 10, that makes 5 cm in 50 mm. To convert millimeters to centimeters, multiply the millimeter value by 0.1 or divide by 10. You can scan like a pro anything you need: contracts, books, to-do lists, paper notes, fax papers, receipts, ID cards and store your scans as high-quality PDF or JPEG files. 1 Millimeter (mm) is equal to 0.1 centimeter (cm). Simple use, accurate and fast scans, easy editing and sharing. The millimetre is part of a metric system. xScan is a mobile pdf scanner app that will turn your iPhone into a powerful mobile document scanner. A centimetre is approximately the width of the fingernail of an adult person.Ī millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. Millimeter to Inch Conversion Table How to Convert Millimeter to Inch 1 mm 0.0393700787 in 1 in 25.4 mm Example: convert 15 mm to in: 15 mm 15 × 0.0393700787 in 0. ![]() However, it is practical unit of length for many everyday measurements. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens. The centimetre is a now a non-standard factor, in that factors of 10 3 are often preferred. A corresponding unit of volume is the cubic centimetre. A corresponding unit of area is the square centimetre. 30 cm is approximately equal to 1 foot (actually 11.81 inches) A standard number 2 pencil is 19cm long when new. It is the base unit in the centimetre-gram-second system of units. Mm to cm, or enter any two units below: Enter two units to convert From:Ī centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. You can do the reverse unit conversion from
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