10/30/2019 Length Conversion Table
When you're shopping during your overseas travel, make sure you know how to properly convert your United States clothing size to that of international retailers. Treat size conversion charts as guidelines rather than hard-set rules and always try on clothing before you buy it to ensure the proper fit.
Length Conversion Table. Table of unit conversion & factor of Length or Distance. Units of Length & Distance: meter (m), millimeter (mm), centimeter (cm), decimeter (dm), dekameter (dam), hectometer (ha), kilometer (km), inch (in), foot (ft), yard (yd), mile, angstrom, chains, furlong, fathom, hand, league, light year, micron, mil (norway-sweden), nautical mile, rod.
Shopping for the Right Size Abroad
Sizing can vary greatly from country to countryâwhile a woman may be a size 6 in America, for instance, she'll need to shop for size 6/8 in the United Kingdom or size 40 in Italy.
Clothing and shoe size conversion charts give you an idea of the right size to buy or try when visiting London, for example, but you should keep in mind that sizes can vary in different stores, so a size 6/8 might not fit quite right even if that's your converted dress size.
Women's Clothing Sizes
For women shopping abroad, it's easy to get confused or frustrated with the United Kingdom's sizing chartâeverything is about a size or two bigger than in the United States. A woman who fits in a size 12 in the U.S., for instance, will need to look for size 14 in England.
You'll notice that France, Spain, Portugal, Germany, Scandinavia, and Italy all use sizing based off of waist measurements rather than a number system that starts at size 0 and works its way up by twos. To confuse things, France's sizing is different from Italy's despite using the same type of measurement metric.
Women's Shoe Sizes
To make matters more confusing for female shoppers abroad, the United Kingdom's shoe sizing runs smaller than America'sâwomen who wear a size 7 in the U.S. would wear a size 5 in the U.K.
The United Kingdom and the United States are also the only two countries in the world that label their shoe sizes with smaller numbers while the rest of the world uses either the metric system to indicate the actual length of a shoe in centimeters or a system known as the Paris point, which equates to two-thirds of a centimeter.
The British and American sizing system is derived from a 'barleycorn measurement,' an old English unit that approximately equals one-third of an inch, where the largest shoe size is taken (a size 12 is 12 inches long) and every size smaller than it is smaller by one barleycorn, not like you might guess, an inch.
Men's Shirt and Jacket Sizes
Shopping internationally for men's clothing is a little simpler than women's, but comes with its own unique set of challenges, mostly due to having a general sizing label of a small, medium, large, and extra large.
Because so many numbered sizes are included in each worded sizing comparison, some clothes may fit better than others. As a man shopping abroad, you'll definitely need to try on shirts to make sure they fit.
Fortunately, though, if you happen to find a nice suit jacket in London, the sizing is identical to that of the United States, so if you know that you're a size 32 in America, you can easily pick up the same size in England and figure it should fit.
Men's Pant and Trouser Sizes
The sizing of men's pants and trousers is universally determined by the physical measurements of their waistlines, and both the United States and the United Kingdom use inches to size these garments.
However, the rest of Europe and Asia measure their men's pants in centimeters, which may be a difficult conversion for Americans shopping elsewhere in the E.U. A helpful trick for converting inches to centimeters without a chart is to figure that every inch is equal to approximately 2.54 centimeters.
Men's Shoes Sizes
Men's shoe size conversions are even more confusing than those of women's shoesâshoes in the United Kingdom are a half-size smaller than the United States and there are random half-sizes in other European and Asian sizing charts.
Like women's shoes, though, these measurements are based on a variety of factors dependant on where the shoes are being constructed and sold. Some sizes measure the length of the interior of the shoe while others use measurement systems to determine size.
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Still, most shoes, especially sports shoes, are sold on international markets and feature multiple countries' size details on the tongue of the shoeâyou'll often find at least the United Kingdom's, United States', and Japan's sizes on a small tag on the inside of each shoe.
Children's Clothing Sizes
Children's clothing sizes vary greatly by country, though Europe has the most accurate description for sizing of any of them, using measurement in centimeters rather than age to denote each size. The United Kingdom, Australia, and the United States, on the other hand, use the age children will most likely fit into the clothing to describe the size of that garment.
Unfortunately, the U.K, Australia, and America have slightly different ideas of what size children are, so the conversion chart is highly beneficial when traveling between any of these countries. Pay close attention when shopping for your young relative or child, especially if they aren't with you to try on the clothing, as sizes are slightly different everywhere.
Children's Shoes Sizes
Children's shoe size conversions are perhaps the most difficult on this listâat least in terms of knowing them without using this chart. Again, U.S. and U.K. sizes are off from one another by a half-size and Europe and Japan use an entirely different system altogether to measure their shoe sizes.
You should also keep in mind that if you have older children who are almost fully grown (or at least reaching adult size) that children's shoe sizes only go up to 13 and a half before entering adult shoe sizing of 1 to 2.
Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
Techniques[edit]Process overview[edit]
The process of conversion depends on the specific situation and the intended purpose. This may be governed by regulation, contract, technical specifications or other published standards. Engineering judgment may include such factors as:
Some conversions from one system of units to another need to be exact, without increasing or decreasing the precision of the first measurement. This is sometimes called soft conversion. It does not involve changing the physical configuration of the item being measured.
By contrast, a hard conversion or an adaptive conversion may not be exactly equivalent. It changes the measurement to convenient and workable numbers and units in the new system. It sometimes involves a slightly different configuration, or size substitution, of the item.[clarification needed]Nominal values are sometimes allowed and used.
Conversion factors[edit]
A conversion factor is used to change the units of a measured quantity without changing its value. The unity bracket method of unit conversion[1] consists of a fraction in which the denominator is equal to the numerator, but they are in different units. Because of the identity property of multiplication, the value of a quantity will not change as long as it is multiplied by one.[2] Also, if the numerator and denominator of a fraction are equal to each other, then the fraction is equal to one. So as long as the numerator and denominator of the fraction are equivalent, they will not affect the value of the measured quantity.
The following example demonstrates how the unity bracket method[3] is used to convert the rate 5 kilometers per second to meters per second. The symbols km, m, and s represent kilometer, meter, and second, respectively.
5kmsâ
{displaystyle {frac {5{cancel {text{km}}}}{text{s}}}cdot }1000 m1 km{displaystyle {frac {{1000}{text{ m}}}{{1}{cancel {text{ km}}}}}}={displaystyle =}5000â
msâ
1={displaystyle {frac {5000cdot {text{m}}}{{text{s}}cdot {1}}}=}5000 ms{displaystyle {frac {5000{text{ m}}}{text{s}}}}
Thus, it is found that 5 kilometers per second is equal to 5000 meters per second.
Software tools[edit]
There are many conversion tools. They are found in the function libraries of applications such as spreadsheets databases, in calculators, and in macro packages and plugins for many other applications such as the mathematical, scientific and technical applications.
There are many standalone applications that offer the thousands of the various units with conversions. For example, the free software movement offers a command line utility GNU units for Linux and Windows.
Tables of conversion factors[edit]
This article gives lists of conversion factors for each of a number of physical quantities, which are listed in the index. For each physical quantity, a number of different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit. Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10â6 metre). Within each table, the units are listed alphabetically, and the SI units (base or derived) are highlighted.
Length[edit]
Area[edit]
Volume[edit]
Plane angle[edit]
Solid angle[edit]
Mass[edit]
Notes:
Density[edit]
Time[edit]
Frequency[edit]
Speed or velocity[edit]
Length Conversion Table Printable
A velocity consists of a speed combined with a direction; the speed part of the velocity takes units of speed.
Flow (volume)[edit]
Acceleration[edit]
Force[edit]
See also:Conversion between weight (force) and mass
Pressure or mechanical stress[edit]
Torque or moment of force[edit]
Energy[edit]
Power or heat flow rate[edit]
Action[edit]
Dynamic viscosity[edit]
Kinematic viscosity[edit]
Electric current[edit]
Electric charge[edit]
Electric dipole[edit]
Electromotive force, electric potential difference[edit]
Electrical resistance[edit]
Capacitance[edit]
Magnetic flux[edit]
Magnetic flux density[edit]
Inductance[edit]
Temperature[edit]
Information entropy[edit]
Modern standards (such as ISO 80000) prefer the shannon to the bit as a unit for a quantity of information entropy, whereas the (discrete) storage space of digital devices is measured in bits. Thus, uncompressed redundant data occupy more than one bit of storage per shannon of information entropy. The multiples of a bit listed above are usually used with this meaning.
Luminous intensity[edit]
The candela is the preferred nomenclature for the SI unit.
Luminance[edit]
Luminous flux[edit]
Illuminance[edit]
Radiation â source activity[edit]
Although becquerel (Bq) and hertz (Hz) both ultimately refer to the same SI base unit (sâ1), Hz is used only for periodic phenomena (i.e. repetitions at regular intervals), and Bq is only used for stochastic processes (i.e. at random intervals) associated with radioactivity.[43]
Radiation â exposure[edit]
The roentgen is not an SI unit and the NIST strongly discourages its continued use.[44]
English Length Conversion TableRadiation â absorbed dose[edit]
Radiation â equivalent dose[edit]
Although the definitions for sievert (Sv) and gray (Gy) would seem to indicate that they measure the same quantities, this is not the case. The effect of receiving a certain dose of radiation (given as Gy) is variable and depends on many factors, thus a new unit was needed to denote the biological effectiveness of that dose on the body; this is known as the equivalent dose and is shown in Sv. The general relationship between absorbed dose and equivalent dose can be represented as
where H is the equivalent dose, D is the absorbed dose, and Q is a dimensionless quality factor. Thus, for any quantity of D measured in Gy, the numerical value for H measured in Sv may be different.[46]
See also[edit]
Notes and references[edit]
External links[edit]
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Conversion_of_units&oldid=919273865'
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