"Picometre The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to , or one trillionth of a metre, which is the SI base unit of length. The picometre is one thousandth of a nanometre, one millionth of a micrometre (also known as a micron), and used to be called micromicron, stigma, or bicron. The symbol µµ was once used for it. It is also one hundredth of an Ångström, an internationally recognised (but non-SI) unit of length. The"
"10 m (1 Em or 105.7 light years) and 10 m (1057 light years). To help compare different orders of magnitude, this section lists distances starting at 10 Em (10 m or 1,100 light years). To help compare different orders of magnitude, this section lists distances starting at 100 Em (10 m or 11,000 light years). The zettametre (SI symbol: Zm) is a unit of length in the metric system equal to 10 metres. To help compare different orders of magnitude, this section lists distances starting at 1 Zm (10 m or 110,000 light years). To help compare different orders"
"help compare different orders of magnitude, this section lists lengths between 10 m and 10 m (100 μm and 1 mm). The term ""Myriometre"" (abbr. mom, equivalent to 100 micrometers; frequently confused with the ""Myriametre"", 10 kilometers) is deprecated; the decimal metric prefix myrio- is obsolete and not included among the prefixes when the International System of Units was introduced in 1960. To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (1 mm and 1 cm). To help compare different orders of magnitude this section lists lengths between 10 m and 10"
"this section lists lengths starting at 10 m (1 Mm or 1,000 km). 1 megametre is equal to: To help compare different orders of magnitude, this section lists lengths starting at 10 metres (10 megametres or 10,000 kilometres). 10 megametres (10 Mm) is To help compare different orders of magnitude, this section lists lengths starting at 10 metres (100 megametres or 100,000 kilometres or 62,150 miles). To help compare different distances this section lists lengths starting at 10 metres (1 gigametre (Gm) or 1 billion metres). To help compare different distances this section lists lengths starting at 10 metres (10"
"10 and 10 m (1 nm and 10 nm). To help compare different orders of magnitude this section lists lengths between 10 and 10 m (10 nm and 100 nm). To help compare different orders of magnitude this section lists lengths between 10 and 10 m (100 nm and 1 μm). To help compare different orders of magnitude this section lists some items with lengths between 10 and 10 m (between 1 and 10 micrometres, or μm). To help compare different orders of magnitude, this section lists lengths between 10 m and 10 m (10 μm and 100 μm). To"
"m (1 cm and 1 dm). To help compare different orders of magnitude this section lists lengths between 10 centimetres and 100 centimetres (10 metre and 1 metre). 10 centimetres (abbreviated to 10 cm) is equal to: To help compare different orders of magnitude this section lists lengths between one metre and ten metres. Light travels 1 metre in , or 3.3356409519815204e-09 of a second. 1 metre is: To help compare different orders of magnitude this section lists lengths between 10 metres and 100 metres. 10 metres (very rarely termed a decametre which is abbreviated as dam) is equal to:"
"am and 100 am). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (100 am and 1 fm). The femtometre (symbol fm) is a unit of length in the metric system, equal to 10 metres. In particle physics, this unit is more commonly called a fermi, also with abbreviation ""fm"". To help compare different orders of magnitude this section lists lengths between 10 metres and 10 metres (1 femtometre (fm) and 10 fm). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (10 fm"
"Decametre A decametre or dekametre (American spelling: decameter or dekameter; symbol dam, sometimes unofficially Dm or dkm) is a very rarely used unit of length in the metric system, equal to ten metres. This measure is included in the SI mostly for completeness: in principle, any combination of prefix and unit can be written, but many are rarely used in practice. One practical use of the decameter is for altitude of geopotential heights in meteorology. Meteorologists also use another seldom encountered SI prefix: hecto- in hectopascal (hPa). The volumetric form (see below) ""cubic decametre"" is convenient for describing large volumes"
"To compare different orders of magnitude this section lists lengths between 100 metres and 1000 metres (1 kilometre). 100 metres (sometimes termed a hectometre) is equal to: To help compare different orders of magnitude this section lists lengths between 1 kilometre and 10 kilometres (10 and 10 metres). 1 kilometre (unit symbol km) is equal to: To help compare different orders of magnitude this section lists lengths between 10 and 100 kilometres (10 to 10 metres). The ""myriametre"" (sometimes also spelled ""myriameter"", ""myriometre"" and ""myriometer"") (10,000 metres) is a deprecated unit name; the decimal metric prefix myria- (sometimes also written"
"""mcg"" rather than ""μg"" to represent ""micrograms"" in the pharmaceutical industry. There are three basic classes of units in SI: This article will not differentiate between these various classes of units, other than to make references to them as appropriate. The metre is the base unit of length. Its name was derived from the Greek (""métron katholikón""), ""a universal measure"". This word gave rise to the French ""mètre"" which was subsequently introduced into the English language. Originally the metre was to have been one ten millionth of the distance between the North Pole and the equator. The French Academy of"
"Metre The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit ""mètre"", from the Greek noun μέτρον, ""measure"") is the base unit of length in some metric systems, including the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole – as a result the Earth's circumference is approximately 40,000 km today. In 1799, it was"
"most accurate measurements available. SI prefixes are often employed to denote decimal multiples and submultiples of the metre, as shown in the table below. As indicated in the table, some are commonly used, while others are not. Long distances are usually expressed in km, astronomical units (149.6 Gm), light-years (10 Pm), or parsecs (31 Pm), rather than in Mm, Gm, Tm, Pm, Em, Zm or Ym; ""30 cm"", ""30 m"", and ""300 m"" are more common than ""3 dm"", ""3 dam"", and ""3 hm"", respectively. The terms ""micron"" and (occasionally) ""millimicron"" are often used instead of ""micrometre"" (μm) and ""nanometre"""
"as myrio-) is obsolete and not included among the prefixes when the International System of Units was introduced in 1960. 10 kilometres is equal to: A length of 100 kilometres (about 62 miles), as a rough amount, is relatively common in measurements on Earth and for some astronomical objects. It is the altitude at which the FAI defines spaceflight to begin. To help compare orders of magnitude, this section lists lengths between 100 and 1,000 kilometres (10 and 10 metres). A distance of 100 kilometres is equal to about 62 miles (or ). To help compare different orders of magnitude"
"Orders of magnitude (mass) To help compare different orders of magnitude, the following lists describe various mass levels between 10 kg and 10 kg. The table below is based on the kilogram (kg), the base unit of mass in the International System of Units (SI). The kilogram is the only standard unit to include an SI prefix (""kilo-"") as part of its name. The ""gram"" (10 kg) is an SI derived unit of mass. However, the ""names"" of all SI mass units are based on ""gram"", rather than on ""kilogram""; thus 10 kg is a ""megagram"" (10 g), not a"
"10 Metre The International Ten Metre Class is a ""construction class"", meaning that the boats are not identical but are all designed to meet specific measurement formula, in this case International Rule. At their heyday, Metre Classes were the most important group of international yacht racing classes, and they are still actively raced around the world. ""Ten"" in class name does not, somewhat confusingly, refer to length of the boat, but product of the formula; 10mR boats are, on average, 16.5 meters long. The 10mR was used as an Olympic Class during the 1912 and 1920 Olympics. The International Rule"
"magnitude this section lists lengths between 10 m and 10 m (1 zm and 10 zm). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (10 zm and 100 zm). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (100 zm and 1 am). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (1 am and 10 am). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (10"
"Lambda (unit) Lambda (written λ, in lowercase) is a non-SI unit of volume equal to 10m, 1 cubic millimeter (mm) or 1 microlitre (µL). Introduced by the BIPM in 1880, the lambda has been used in chemistry and in law for measuring volume, but its use is not recommended. This use of λ parallels the pre-SI use of µ on its own for a micrometre and γ for a microgram. Although the use of λ is deprecated, some clinical laboratories continue to use it. The standard abbreviation µL for a microlitre has the disadvantage that it can be misread as"
"with a resolution of 20 picometres over a distance of 2.5 gigametres, yielding a strain sensitivity of better than 1 part in 10. Picometre The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to , or one trillionth of a metre, which is the SI base unit of length. The picometre is one thousandth of a nanometre, one millionth of a micrometre (also known as a micron), and used to be called micromicron, stigma, or bicron. The symbol"
"the 1960s, the International System of Units (SI) is the internationally recognised metric system. Metric units of mass, length, and electricity are widely used around the world for both everyday and scientific purposes. The metric system features a single base unit for many physical quantities. Other quantities are derived from the standard SI units. Multiples and fractions are expressed as powers of 10 of each unit. When smaller or larger units are more convenient for given use, metric prefixes can be added to the base unit to denote its multiple by a power of ten: a thousandth (10) of a"
"equal to 1000 femtoseconds, or 1/1000 nanoseconds. Because the next SI unit is 1000 times larger, measurements of 10 and 10 second are typically expressed as tens or hundreds of picoseconds. Some notable measurements in this range include: Picosecond A picosecond is an SI unit of time equal to 10 or / (one trillionth) of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds. A picosecond is to one second as one second is to approximately 31,689 years. Multiple technical approaches achieve imaging within single-digit picoseconds: for example,"
"Orders of magnitude (length) The following are examples of orders of magnitude for different lengths. To help compare different orders of magnitude, the following list describes various lengths between 1.6 meters and formula_1meters. To help compare different orders of magnitude this section lists lengths shorter than 10 m (10 ym). To help compare different orders of magnitude this section lists lengths between 10 metres and 10 metres (10 ym and 100 ym). To help compare different orders of magnitude this section lists lengths between 10 m and 10 m (100 ym and 1 zm). To help compare different orders of"
"higher SI unit is 1000 times larger, times of 10 and 10 seconds are typically expressed as tens or hundreds of femtoseconds. Femtosecond A femtosecond is the SI unit of time equal to 10 or / of a second; that is, one quadrillionth, or one millionth of one billionth, of a second. For context, a femtosecond is to a second as a second is to about 31.71 million years; a ray of light travels approximately 0.3 µm (micrometers) in 1 femtosecond, a distance comparable to the diameter of a virus. The word ""femtosecond"" is formed by the SI prefix ""femto"""
"metre is a ""milli""metre, while a thousand (10) metres is a ""kilo""metre. Unit conversions are thus always simple, so that convenient magnitudes for measurements are achieved by simply moving the decimal place: 1.234 metres is 1234 millimetres or 0.001234 kilometres. The use of fractions, such as 2/5 of a metre, is not prohibited, but uncommon. There is no profusion of different units with different conversion factors as in the Imperial system which uses, for example, inches, feet, yards, fathoms, and rods for length. The International System of Units (abbreviated as SI from the French language name ""Système International d'Unités"") is"
"method and its application to the structure of nuclei and nucleons"" (December 11, 1961). 8. https://en.wiktionary.org/wiki/femtometre Femtometre The femtometre (American spelling femtometer, symbol fm derived from the Danish and Norwegian word ""femten"", ""fifteen""+Ancient Greek: , ', ""unit of measurement"") is an SI unit of length equal to 10 metres, which means a quadrillionth of one. This distance can also be called a fermi and was so named in honour of physicist Enrico Fermi, as it is a typical length-scale of nuclear physics. 1000 attometres = 1 femtometre = 1 fermi = 0.001 picometre = metres For example, the charge radius"
"gigametres (Gm) or 10 million kilometres, or 0.07 Astronomical units). To help compare distances at different orders of magnitude this section lists lengths starting at 10 metres (100 Gm or 100 million kilometres or 0.7 astronomical units). To help compare different distances, this section lists lengths starting at 10 m (1 Tm or 1 billion km or 6.7 astronomical units). To help compare different distances this section lists lengths starting at 10 m (10 Tm or 10 billion km or 67 astronomical units). To help compare different distances this section lists lengths starting at 10 m (100 Tm or 100"
"secondary units (multiples and submultiples) are derived from the basic units by multiplying by powers of ten, i.e. by simply moving the decimal point. Thus the basic metric unit of length is the metre; a distance of 1 m is 1,000 millimetres, or 0.001 kilometres. Metrication is complete or nearly complete in almost all countries. US customary units are heavily used in the United States and to some degree in Liberia. Traditional Burmese units of measurement are used in Burma. U.S. units are used in limited contexts in Canada due to the large volume of trade; there is also considerable"
"Unit of length A unit of length refers to any discrete, pre-established length or distance having a constant magnitude which is used as a reference or convention to express linear dimension. The most common units in modern use are U.S. customary units in the United States and metric units elsewhere. British Imperial units are still used for some purposes in the United Kingdom and some other countries. The metric system is sub-divided into SI and non-SI units. The base unit in the International System of Units (SI) is the metre, defined as ""the length of the path travelled by light"
"the mesures usuelles system, such that 1m was exactly toise. The Russian verst was 1.0668km. The Swedish mil was 10.688km, but was changed to 10km when Sweden converted to metric units. Metre The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit ""mètre"", from the Greek noun μέτρον, ""measure"") is the base unit of length in some metric systems, including the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in second. The metre was originally defined"
"billion km or 670 astronomical units). To help compare different distances this section lists lengths starting at 10 m (1 Pm or 1 trillion km or 6685 astronomical units (AU) or 0.11 light years). To help compare different distances this section lists lengths starting at 10 m (10 Pm or 66,800 AU, 1.06 light years). To help compare different distances this section lists lengths between 10 m (100 Pm or 11 light years) and 10 m (106 light years). This list includes distances between 1 and 10 exametres (10 m). To help compare different distances this section lists lengths between"
"Micrometre The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known by the previous name micron, is an SI derived unit of length equaling (SI standard prefix ""micro-"" = 10); that is, one millionth of a metre (or one thousandth of a millimetre, 0.001 mm, or about 0.000039 inch). The micrometre is a common unit of measurement for wavelengths of infrared radiation as well as sizes of biological cells and bacteria, and for grading wool by the diameter of the fibres. The width of a single"
"Femtometre The femtometre (American spelling femtometer, symbol fm derived from the Danish and Norwegian word ""femten"", ""fifteen""+Ancient Greek: , ', ""unit of measurement"") is an SI unit of length equal to 10 metres, which means a quadrillionth of one. This distance can also be called a fermi and was so named in honour of physicist Enrico Fermi, as it is a typical length-scale of nuclear physics. 1000 attometres = 1 femtometre = 1 fermi = 0.001 picometre = metres For example, the charge radius of a proton is approximately 0.84–0.87 femtometres while the radius of a gold nucleus is approximately"
"of magnitude, this section lists distances starting at 10 Zm (10 m or 1.1 million light years). To help compare different orders of magnitude, this section lists distances starting at 100 Zm (10 m or 11 million light years). The yottametre, or yottameter in the US, ( SI symbol: Ym) is a unit of length in the metric system equal to 10 metres To help compare different orders of magnitude, this section lists distances starting at 1 Ym (10 m or 105.702 million light years). To help compare different orders of magnitude, this section lists distances starting at 10 Ym"
"have a formal name. The only way to express a nonstandard order of magnitude as an SI unit is to combine two prefixed SI derived units whose component base units cancel out; for example, units of 10 seconds could be expressed as ""kilojoules per centiwatt"" (kJ/cW) or ""hectocoulombs per milliampere"" (hC/mA). Such misuse of SI derived units can create a cognitive dissonance; to do so requires the invocation of units not directly related to the quantity being measured (coulombs and amperes, for example, quantify electricity, making it awkward to combine the two in a way that creates a unit of"