1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category  Zend

    16  * @package   Zend_Measure

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license   http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version   $Id: Length.php 20096 2010-01-06 02:05:09Z bkarwin $

    20  */

    21 

    22 /**

    23  * Implement needed classes

    24  */

    25 require_once 'Zend/Measure/Abstract.php';

    26 require_once 'Zend/Locale.php';

    27 

    28 /**

    29  * Class for handling length conversions

    30  *

    31  * @category   Zend

    32  * @package    Zend_Measure

    33  * @subpackage Zend_Measure_Length

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 class Zend_Measure_Length extends Zend_Measure_Abstract

    38 {

    39     const STANDARD = 'METER';

    40 

    41     const AGATE                 = 'AGATE';

    42     const ALEN_DANISH           = 'ALEN_DANISH';

    43     const ALEN                  = 'ALEN';

    44     const ALEN_SWEDISH          = 'ALEN_SWEDISH';

    45     const ANGSTROM              = 'ANGSTROM';

    46     const ARMS                  = 'ARMS';

    47     const ARPENT_CANADIAN       = 'ARPENT_CANADIAN';

    48     const ARPENT                = 'ARPENT';

    49     const ARSHEEN               = 'ARSHEEN';

    50     const ARSHIN                = 'ARSHIN';

    51     const ARSHIN_IRAQ           = 'ARSHIN_IRAQ';

    52     const ASTRONOMICAL_UNIT     = 'ASTRONOMICAL_UNIT';

    53     const ATTOMETER             = 'ATTOMETER';

    54     const BAMBOO                = 'BAMBOO';

    55     const BARLEYCORN            = 'BARLEYCORN';

    56     const BEE_SPACE             = 'BEE_SPACE';

    57     const BICRON                = 'BICRON';

    58     const BLOCK_US_EAST         = 'BLOCK_US_EAST';

    59     const BLOCK_US_WEST         = 'BLOCK_US_WEST';

    60     const BLOCK_US_SOUTH        = 'BLOCK_US_SOUTH';

    61     const BOHR                  = 'BOHR';

    62     const BRACCIO               = 'BRACCIO';

    63     const BRAZA_ARGENTINA       = 'BRAZA_ARGENTINA';

    64     const BRAZA                 = 'BRAZA';

    65     const BRAZA_US              = 'BRAZA_US';

    66     const BUTTON                = 'BUTTON';

    67     const CABLE_US              = 'CABLE_US';

    68     const CABLE_UK              = 'CABLE_UK';

    69     const CALIBER               = 'CALIBER';

    70     const CANA                  = 'CANA';

    71     const CAPE_FOOT             = 'CAPE_FOOT';

    72     const CAPE_INCH             = 'CAPE_INCH';

    73     const CAPE_ROOD             = 'CAPE_ROOD';

    74     const CENTIMETER            = 'CENTIMETER';

    75     const CHAIN                 = 'CHAIN';

    76     const CHAIN_ENGINEER        = 'CHAIN_ENGINEER';

    77     const CHIH                  = 'CHIH';

    78     const CHINESE_FOOT          = 'CHINESE_FOOT';

    79     const CHINESE_INCH          = 'CHINESE_INCH';

    80     const CHINESE_MILE          = 'CHINESE_MILE';

    81     const CHINESE_YARD          = 'CHINESE_YARD';

    82     const CITY_BLOCK_US_EAST    = 'CITY_BLOCK_US_EAST';

    83     const CITY_BLOCK_US_WEST    = 'CITY_BLOCK_US_WEST';

    84     const CITY_BLOCK_US_SOUTH   = 'CITY_BLOCK_US_SOUTH';

    85     const CLICK                 = 'CLICK';

    86     const CUADRA                = 'CUADRA';

    87     const CUADRA_ARGENTINA      = 'CUADRA_ARGENTINA';

    88     const CUBIT_EGYPT           = 'Length:CUBIT_EGYPT';

    89     const CUBIT_ROYAL           = 'CUBIT_ROYAL';

    90     const CUBIT_UK              = 'CUBIT_UK';

    91     const CUBIT                 = 'CUBIT';

    92     const CUERDA                = 'CUERDA';

    93     const DECIMETER             = 'DECIMETER';

    94     const DEKAMETER             = 'DEKAMETER';

    95     const DIDOT_POINT           = 'DIDOT_POINT';

    96     const DIGIT                 = 'DIGIT';

    97     const DIRAA                 = 'DIRAA';

    98     const DONG                  = 'DONG';

    99     const DOUZIEME_WATCH        = 'DOUZIEME_WATCH';

   100     const DOUZIEME              = 'DOUZIEME';

   101     const DRA_IRAQ              = 'DRA_IRAQ';

   102     const DRA                   = 'DRA';

   103     const EL                    = 'EL';

   104     const ELL                   = 'ELL';

   105     const ELL_SCOTTISH          = 'ELL_SCOTTISH';

   106     const ELLE                  = 'ELLE';

   107     const ELLE_VIENNA           = 'ELLE_VIENNA';

   108     const EM                    = 'EM';

   109     const ESTADIO_PORTUGAL      = 'ESTADIO_PORTUGAL';

   110     const ESTADIO               = 'ESTADIO';

   111     const EXAMETER              = 'EXAMETER';

   112     const FADEN_AUSTRIA         = 'FADEN_AUSTRIA';

   113     const FADEN                 = 'FADEN';

   114     const FALL                  = 'FALL';

   115     const FALL_SCOTTISH         = 'FALL_SCOTTISH';

   116     const FATHOM                = 'FATHOM';

   117     const FATHOM_ANCIENT        = 'FATHOM_ANCIENT';

   118     const FAUST                 = 'FAUST';

   119     const FEET_OLD_CANADIAN     = 'FEET_OLD_CANADIAN';

   120     const FEET_EGYPT            = 'FEET_EGYPT';

   121     const FEET_FRANCE           = 'FEET_FRANCE';

   122     const FEET                  = 'FEET';

   123     const FEET_IRAQ             = 'FEET_IRAQ';

   124     const FEET_NETHERLAND       = 'FEET_NETHERLAND';

   125     const FEET_ITALIC           = 'FEET_ITALIC';

   126     const FEET_SURVEY           = 'FEET_SURVEY';

   127     const FEMTOMETER            = 'FEMTOMETER';

   128     const FERMI                 = 'FERMI';

   129     const FINGER                = 'FINGER';

   130     const FINGERBREADTH         = 'FINGERBREADTH';

   131     const FIST                  = 'FIST';

   132     const FOD                   = 'FOD';

   133     const FOOT_EGYPT            = 'FOOT_EGYPT';

   134     const FOOT_FRANCE           = 'FOOT_FRANCE';

   135     const FOOT                  = 'FOOT';

   136     const FOOT_IRAQ             = 'FOOT_IRAQ';

   137     const FOOT_NETHERLAND       = 'FOOT_NETHERLAND';

   138     const FOOT_ITALIC           = 'FOOT_ITALIC';

   139     const FOOT_SURVEY           = 'FOOT_SURVEY';

   140     const FOOTBALL_FIELD_CANADA = 'FOOTBALL_FIELD_CANADA';

   141     const FOOTBALL_FIELD_US     = 'FOOTBALL_FIELD_US';

   142     const FOOTBALL_FIELD        = 'FOOTBALL_FIELD';

   143     const FURLONG               = 'FURLONG';

   144     const FURLONG_SURVEY        = 'FURLONG_SURVEY';

   145     const FUSS                  = 'FUSS';

   146     const GIGAMETER             = 'GIGAMETER';

   147     const GIGAPARSEC            = 'GIGAPARSEC';

   148     const GNATS_EYE             = 'GNATS_EYE';

   149     const GOAD                  = 'GOAD';

   150     const GRY                   = 'GRY';

   151     const HAIRS_BREADTH         = 'HAIRS_BREADTH';

   152     const HAND                  = 'HAND';

   153     const HANDBREADTH           = 'HANDBREADTH';

   154     const HAT                   = 'HAT';

   155     const HECTOMETER            = 'HECTOMETER';

   156     const HEER                  = 'HEER';

   157     const HIRO                  = 'HIRO';

   158     const HUBBLE                = 'HUBBLE';

   159     const HVAT                  = 'HVAT';

   160     const INCH                  = 'INCH';

   161     const IRON                  = 'IRON';

   162     const KEN                   = 'KEN';

   163     const KERAT                 = 'KERAT';

   164     const KILOFOOT              = 'KILOFOOT';

   165     const KILOMETER             = 'KILOMETER';

   166     const KILOPARSEC            = 'KILOPARSEC';

   167     const KILOYARD              = 'KILOYARD';

   168     const KIND                  = 'KIND';

   169     const KLAFTER               = 'KLAFTER';

   170     const KLAFTER_SWISS         = 'KLAFTER_SWISS';

   171     const KLICK                 = 'KLICK';

   172     const KYU                   = 'KYU';

   173     const LAP_ANCIENT           = 'LAP_ANCIENT';

   174     const LAP                   = 'LAP';

   175     const LAP_POOL              = 'LAP_POOL';

   176     const LEAGUE_ANCIENT        = 'LEAGUE_ANCIENT';

   177     const LEAGUE_NAUTIC         = 'LEAGUE_NAUTIC';

   178     const LEAGUE_UK_NAUTIC      = 'LEAGUE_UK_NAUTIC';

   179     const LEAGUE                = 'LEAGUE';

   180     const LEAGUE_US             = 'LEAGUE_US';

   181     const LEAP                  = 'LEAP';

   182     const LEGOA                 = 'LEGOA';

   183     const LEGUA                 = 'LEGUA';

   184     const LEGUA_US              = 'LEGUA_US';

   185     const LEGUA_SPAIN_OLD       = 'LEGUA_SPAIN_OLD';

   186     const LEGUA_SPAIN           = 'LEGUA_SPAIN';

   187     const LI_ANCIENT            = 'LI_ANCIENT';

   188     const LI_IMPERIAL           = 'LI_IMPERIAL';

   189     const LI                    = 'LI';

   190     const LIEUE                 = 'LIEUE';

   191     const LIEUE_METRIC          = 'LIEUE_METRIC';

   192     const LIEUE_NAUTIC          = 'LIEUE_NAUTIC';

   193     const LIGHT_SECOND          = 'LIGHT_SECOND';

   194     const LIGHT_MINUTE          = 'LIGHT_MINUTE';

   195     const LIGHT_HOUR            = 'LIGHT_HOUR';

   196     const LIGHT_DAY             = 'LIGHT_DAY';

   197     const LIGHT_YEAR            = 'LIGHT_YEAR';

   198     const LIGNE                 = 'LIGNE';

   199     const LIGNE_SWISS           = 'LIGNE_SWISS';

   200     const LINE                  = 'LINE';

   201     const LINE_SMALL            = 'LINE_SMALL';

   202     const LINK                  = 'LINK';

   203     const LINK_ENGINEER         = 'LINK_ENGINEER';

   204     const LUG                   = 'LUG';

   205     const LUG_GREAT             = 'LUG_GREAT';

   206     const MARATHON              = 'MARATHON';

   207     const MARK_TWAIN            = 'MARK_TWAIN';

   208     const MEGAMETER             = 'MEGAMETER';

   209     const MEGAPARSEC            = 'MEGAPARSEC';

   210     const MEILE_AUSTRIAN        = 'MEILE_AUSTRIAN';

   211     const MEILE                 = 'MEILE';

   212     const MEILE_GERMAN          = 'MEILE_GERMAN';

   213     const METER                 = 'METER';

   214     const METRE                 = 'METRE';

   215     const METRIC_MILE           = 'METRIC_MILE';

   216     const METRIC_MILE_US        = 'METRIC_MILE_US';

   217     const MICROINCH             = 'MICROINCH';

   218     const MICROMETER            = 'MICROMETER';

   219     const MICROMICRON           = 'MICROMICRON';

   220     const MICRON                = 'MICRON';

   221     const MIGLIO                = 'MIGLIO';

   222     const MIIL                  = 'MIIL';

   223     const MIIL_DENMARK          = 'MIIL_DENMARK';

   224     const MIIL_SWEDISH          = 'MIIL_SWEDISH';

   225     const MIL                   = 'MIL';

   226     const MIL_SWEDISH           = 'MIL_SWEDISH';

   227     const MILE_UK               = 'MILE_UK';

   228     const MILE_IRISH            = 'MILE_IRISH';

   229     const MILE                  = 'MILE';

   230     const MILE_NAUTIC           = 'MILE_NAUTIC';

   231     const MILE_NAUTIC_UK        = 'MILE_NAUTIC_UK';

   232     const MILE_NAUTIC_US        = 'MILE_NAUTIC_US';

   233     const MILE_ANCIENT          = 'MILE_ANCIENT';

   234     const MILE_SCOTTISH         = 'MILE_SCOTTISH';

   235     const MILE_STATUTE          = 'MILE_STATUTE';

   236     const MILE_US               = 'MILE_US';

   237     const MILHA                 = 'MILHA';

   238     const MILITARY_PACE         = 'MILITARY_PACE';

   239     const MILITARY_PACE_DOUBLE  = 'MILITARY_PACE_DOUBLE';

   240     const MILLA                 = 'MILLA';

   241     const MILLE                 = 'MILLE';

   242     const MILLIARE              = 'MILLIARE';

   243     const MILLIMETER            = 'MILLIMETER';

   244     const MILLIMICRON           = 'MILLIMICRON';

   245     const MKONO                 = 'MKONO';

   246     const MOOT                  = 'MOOT';

   247     const MYRIAMETER            = 'MYRIAMETER';

   248     const NAIL                  = 'NAIL';

   249     const NANOMETER             = 'NANOMETER';

   250     const NANON                 = 'NANON';

   251     const PACE                  = 'PACE';

   252     const PACE_ROMAN            = 'PACE_ROMAN';

   253     const PALM_DUTCH            = 'PALM_DUTCH';

   254     const PALM_UK               = 'PALM_UK';

   255     const PALM                  = 'PALM';

   256     const PALMO_PORTUGUESE      = 'PALMO_PORTUGUESE';

   257     const PALMO                 = 'PALMO';

   258     const PALMO_US              = 'PALMO_US';

   259     const PARASANG              = 'PARASANG';

   260     const PARIS_FOOT            = 'PARIS_FOOT';

   261     const PARSEC                = 'PARSEC';

   262     const PE                    = 'PE';

   263     const PEARL                 = 'PEARL';

   264     const PERCH                 = 'PERCH';

   265     const PERCH_IRELAND         = 'PERCH_IRELAND';

   266     const PERTICA               = 'PERTICA';

   267     const PES                   = 'PES';

   268     const PETAMETER             = 'PETAMETER';

   269     const PICA                  = 'PICA';

   270     const PICOMETER             = 'PICOMETER';

   271     const PIE_ARGENTINA         = 'PIE_ARGENTINA';

   272     const PIE_ITALIC            = 'PIE_ITALIC';

   273     const PIE                   = 'PIE';

   274     const PIE_US                = 'PIE_US';

   275     const PIED_DE_ROI           = 'PIED_DE_ROI';

   276     const PIK                   = 'PIK';

   277     const PIKE                  = 'PIKE';

   278     const POINT_ADOBE           = 'POINT_ADOBE';

   279     const POINT                 = 'POINT';

   280     const POINT_DIDOT           = 'POINT_DIDOT';

   281     const POINT_TEX             = 'POINT_TEX';

   282     const POLE                  = 'POLE';

   283     const POLEGADA              = 'POLEGADA';

   284     const POUCE                 = 'POUCE';

   285     const PU                    = 'PU';

   286     const PULGADA               = 'PULGADA';

   287     const PYGME                 = 'PYGME';

   288     const Q                     = 'Q';

   289     const QUADRANT              = 'QUADRANT';

   290     const QUARTER               = 'QUARTER';

   291     const QUARTER_CLOTH         = 'QUARTER_CLOTH';

   292     const QUARTER_PRINT         = 'QUARTER_PRINT';

   293     const RANGE                 = 'RANGE';

   294     const REED                  = 'REED';

   295     const RI                    = 'RI';

   296     const RIDGE                 = 'RIDGE';

   297     const RIVER                 = 'RIVER';

   298     const ROD                   = 'ROD';

   299     const ROD_SURVEY            = 'ROD_SURVEY';

   300     const ROEDE                 = 'ROEDE';

   301     const ROOD                  = 'ROOD';

   302     const ROPE                  = 'ROPE';

   303     const ROYAL_FOOT            = 'ROYAL_FOOT';

   304     const RUTE                  = 'RUTE';

   305     const SADZHEN               = 'SADZHEN';

   306     const SAGENE                = 'SAGENE';

   307     const SCOTS_FOOT            = 'SCOTS_FOOT';

   308     const SCOTS_MILE            = 'SCOTS_MILE';

   309     const SEEMEILE              = 'SEEMEILE';

   310     const SHACKLE               = 'SHACKLE';

   311     const SHAFTMENT             = 'SHAFTMENT';

   312     const SHAFTMENT_ANCIENT     = 'SHAFTMENT_ANCIENT';

   313     const SHAKU                 = 'SHAKU';

   314     const SIRIOMETER            = 'SIRIOMETER';

   315     const SMOOT                 = 'SMOOT';

   316     const SPAN                  = 'SPAN';

   317     const SPAT                  = 'SPAT';

   318     const STADIUM               = 'STADIUM';

   319     const STEP                  = 'STEP';

   320     const STICK                 = 'STICK';

   321     const STORY                 = 'STORY';

   322     const STRIDE                = 'STRIDE';

   323     const STRIDE_ROMAN          = 'STRIDE_ROMAN';

   324     const TENTHMETER            = 'TENTHMETER';

   325     const TERAMETER             = 'TERAMETER';

   326     const THOU                  = 'THOU';

   327     const TOISE                 = 'TOISE';

   328     const TOWNSHIP              = 'TOWNSHIP';

   329     const T_SUN                 = 'T_SUN';

   330     const TU                    = 'TU';

   331     const TWAIN                 = 'TWAIN';

   332     const TWIP                  = 'TWIP';

   333     const U                     = 'U';

   334     const VARA_CALIFORNIA       = 'VARA_CALIFORNIA';

   335     const VARA_MEXICAN          = 'VARA_MEXICAN';

   336     const VARA_PORTUGUESE       = 'VARA_PORTUGUESE';

   337     const VARA_AMERICA          = 'VARA_AMERICA';

   338     const VARA                  = 'VARA';

   339     const VARA_TEXAS            = 'VARA_TEXAS';

   340     const VERGE                 = 'VERGE';

   341     const VERSHOK               = 'VERSHOK';

   342     const VERST                 = 'VERST';

   343     const WAH                   = 'WAH';

   344     const WERST                 = 'WERST';

   345     const X_UNIT                = 'X_UNIT';

   346     const YARD                  = 'YARD';

   347     const YOCTOMETER            = 'YOCTOMETER';

   348     const YOTTAMETER            = 'YOTTAMETER';

   349     const ZEPTOMETER            = 'ZEPTOMETER';

   350     const ZETTAMETER            = 'ZETTAMETER';

   351     const ZOLL                  = 'ZOLL';

   352     const ZOLL_SWISS            = 'ZOLL_SWISS';

   353 

   354     /**

   355      * Calculations for all length units

   356      *

   357      * @var array

   358      */

   359     protected $_units = array(

   360         'AGATE'           => array(array('' => '0.0254', '/' => '72'), 'agate'),

   361         'ALEN_DANISH'     => array('0.6277',           'alen'),

   362         'ALEN'            => array('0.6',              'alen'),

   363         'ALEN_SWEDISH'    => array('0.5938',           'alen'),

   364         'ANGSTROM'        => array('1.0e-10',          'Å'),

   365         'ARMS'            => array('0.7',              'arms'),

   366         'ARPENT_CANADIAN' => array('58.47',            'arpent'),

   367         'ARPENT'          => array('58.471308',        'arpent'),

   368         'ARSHEEN'         => array('0.7112',           'arsheen'),

   369         'ARSHIN'          => array('1.04',             'arshin'),

   370         'ARSHIN_IRAQ'     => array('74.5',             'arshin'),

   371         'ASTRONOMICAL_UNIT' => array('149597870691',   'AU'),

   372         'ATTOMETER'       => array('1.0e-18',          'am'),

   373         'BAMBOO'          => array('3.2',              'bamboo'),

   374         'BARLEYCORN'      => array('0.0085',           'barleycorn'),

   375         'BEE_SPACE'       => array('0.0065',           'bee space'),

   376         'BICRON'          => array('1.0e-12',          '��'),

   377         'BLOCK_US_EAST'   => array('80.4672',          'block'),

   378         'BLOCK_US_WEST'   => array('100.584',          'block'),

   379         'BLOCK_US_SOUTH'  => array('160.9344',         'block'),

   380         'BOHR'            => array('52.918e-12',       'a�'),

   381         'BRACCIO'         => array('0.7',              'braccio'),

   382         'BRAZA_ARGENTINA' => array('1.733',            'braza'),

   383         'BRAZA'           => array('1.67',             'braza'),

   384         'BRAZA_US'        => array('1.693',            'braza'),

   385         'BUTTON'          => array('0.000635',         'button'),

   386         'CABLE_US'        => array('219.456',          'cable'),

   387         'CABLE_UK'        => array('185.3184',         'cable'),

   388         'CALIBER'         => array('0.0254',           'cal'),

   389         'CANA'            => array('2',                'cana'),

   390         'CAPE_FOOT'       => array('0.314858',         'cf'),

   391         'CAPE_INCH'       => array(array('' => '0.314858','/' => '12'), 'ci'),

   392         'CAPE_ROOD'       => array('3.778296',         'cr'),

   393         'CENTIMETER'      => array('0.01',             'cm'),

   394         'CHAIN'           => array(array('' => '79200','/' => '3937'),  'ch'),

   395         'CHAIN_ENGINEER'  => array('30.48',            'ch'),

   396         'CHIH'            => array('0.35814',          "ch'ih"),

   397         'CHINESE_FOOT'    => array('0.371475',         'ft'),

   398         'CHINESE_INCH'    => array('0.0371475',        'in'),

   399         'CHINESE_MILE'    => array('557.21',           'mi'),

   400         'CHINESE_YARD'    => array('0.89154',          'yd'),

   401         'CITY_BLOCK_US_EAST'  => array('80.4672',      'block'),

   402         'CITY_BLOCK_US_WEST'  => array('100.584',      'block'),

   403         'CITY_BLOCK_US_SOUTH' => array('160.9344',     'block'),

   404         'CLICK'           => array('1000',             'click'),

   405         'CUADRA'          => array('84',               'cuadra'),

   406         'CUADRA_ARGENTINA'=> array('130',              'cuadra'),

   407         'Length:CUBIT_EGYPT'      => array('0.45',             'cubit'),

   408         'CUBIT_ROYAL'     => array('0.5235',           'cubit'),

   409         'CUBIT_UK'        => array('0.4572',           'cubit'),

   410         'CUBIT'           => array('0.444',            'cubit'),

   411         'CUERDA'          => array('21',               'cda'),

   412         'DECIMETER'       => array('0.1',              'dm'),

   413         'DEKAMETER'       => array('10',               'dam'),

   414         'DIDOT_POINT'     => array('0.000377',         'didot point'),

   415         'DIGIT'           => array('0.019',            'digit'),

   416         'DIRAA'           => array('0.58',             ''),

   417         'DONG'            => array(array('' => '7','/' => '300'), 'dong'),

   418         'DOUZIEME_WATCH'  => array('0.000188',         'douzi�me'),

   419         'DOUZIEME'        => array('0.00017638888889', 'douzi�me'),

   420         'DRA_IRAQ'        => array('0.745',            'dra'),

   421         'DRA'             => array('0.7112',           'dra'),

   422         'EL'              => array('0.69',             'el'),

   423         'ELL'             => array('1.143',            'ell'),

   424         'ELL_SCOTTISH'    => array('0.945',            'ell'),

   425         'ELLE'            => array('0.6',              'ellen'),

   426         'ELLE_VIENNA'     => array('0.7793',           'ellen'),

   427         'EM'              => array('0.0042175176',     'em'),

   428         'ESTADIO_PORTUGAL'=> array('261',              'estadio'),

   429         'ESTADIO'         => array('174',              'estadio'),

   430         'EXAMETER'        => array('1.0e+18',          'Em'),

   431         'FADEN_AUSTRIA'   => array('1.8965',           'faden'),

   432         'FADEN'           => array('1.8',              'faden'),

   433         'FALL'            => array('6.858',            'fall'),

   434         'FALL_SCOTTISH'   => array('5.67',             'fall'),

   435         'FATHOM'          => array('1.8288',           'fth'),

   436         'FATHOM_ANCIENT'  => array('1.829',            'fth'),

   437         'FAUST'           => array('0.10536',          'faust'),

   438         'FEET_OLD_CANADIAN' => array('0.325',          'ft'),

   439         'FEET_EGYPT'      => array('0.36',             'ft'),

   440         'FEET_FRANCE'     => array('0.3248406',        'ft'),

   441         'FEET'            => array('0.3048',           'ft'),

   442         'FEET_IRAQ'       => array('0.316',            'ft'),

   443         'FEET_NETHERLAND' => array('0.28313',          'ft'),

   444         'FEET_ITALIC'     => array('0.296',            'ft'),

   445         'FEET_SURVEY'     => array(array('' => '1200', '/' => '3937'), 'ft'),

   446         'FEMTOMETER'      => array('1.0e-15',          'fm'),

   447         'FERMI'           => array('1.0e-15',          'f'),

   448         'FINGER'          => array('0.1143',           'finger'),

   449         'FINGERBREADTH'   => array('0.01905',          'fingerbreadth'),

   450         'FIST'            => array('0.1',              'fist'),

   451         'FOD'             => array('0.3141',           'fod'),

   452         'FOOT_EGYPT'      => array('0.36',             'ft'),

   453         'FOOT_FRANCE'     => array('0.3248406',        'ft'),

   454         'FOOT'            => array('0.3048',           'ft'),

   455         'FOOT_IRAQ'       => array('0.316',            'ft'),

   456         'FOOT_NETHERLAND' => array('0.28313',          'ft'),

   457         'FOOT_ITALIC'     => array('0.296',            'ft'),

   458         'FOOT_SURVEY'     => array(array('' => '1200', '/' => '3937'), 'ft'),

   459         'FOOTBALL_FIELD_CANADA' => array('100.584',    'football field'),

   460         'FOOTBALL_FIELD_US'     => array('91.44',      'football field'),

   461         'FOOTBALL_FIELD'  => array('109.728',          'football field'),

   462         'FURLONG'         => array('201.168',          'fur'),

   463         'FURLONG_SURVEY'  => array(array('' => '792000', '/' => '3937'), 'fur'),

   464         'FUSS'            => array('0.31608',          'fuss'),

   465         'GIGAMETER'       => array('1.0e+9',           'Gm'),

   466         'GIGAPARSEC'      => array('30.85678e+24',     'Gpc'),

   467         'GNATS_EYE'       => array('0.000125',         "gnat's eye"),

   468         'GOAD'            => array('1.3716',           'goad'),

   469         'GRY'             => array('0.000211667',      'gry'),

   470         'HAIRS_BREADTH'   => array('0.0001',           "hair's breadth"),

   471         'HAND'            => array('0.1016',           'hand'),

   472         'HANDBREADTH'     => array('0.08',             "hand's breadth"),

   473         'HAT'             => array('0.5',              'hat'),

   474         'HECTOMETER'      => array('100',              'hm'),

   475         'HEER'            => array('73.152',           'heer'),

   476         'HIRO'            => array('1.818',            'hiro'),

   477         'HUBBLE'          => array('9.4605e+24',       'hubble'),

   478         'HVAT'            => array('1.8965',           'hvat'),

   479         'INCH'            => array('0.0254',           'in'),

   480         'IRON'            => array(array('' => '0.0254', '/' => '48'), 'iron'),

   481         'KEN'             => array('1.818',            'ken'),

   482         'KERAT'           => array('0.0286',           'kerat'),

   483         'KILOFOOT'        => array('304.8',            'kft'),

   484         'KILOMETER'       => array('1000',             'km'),

   485         'KILOPARSEC'      => array('3.0856776e+19',    'kpc'),

   486         'KILOYARD'        => array('914.4',            'kyd'),

   487         'KIND'            => array('0.5',              'kind'),

   488         'KLAFTER'         => array('1.8965',           'klafter'),

   489         'KLAFTER_SWISS'   => array('1.8',              'klafter'),

   490         'KLICK'           => array('1000',             'klick'),

   491         'KYU'             => array('0.00025',          'kyu'),

   492         'LAP_ANCIENT'     => array('402.336',          ''),

   493         'LAP'             => array('400',              'lap'),

   494         'LAP_POOL'        => array('100',              'lap'),

   495         'LEAGUE_ANCIENT'  => array('2275',             'league'),

   496         'LEAGUE_NAUTIC'   => array('5556',             'league'),

   497         'LEAGUE_UK_NAUTIC'=> array('5559.552',         'league'),

   498         'LEAGUE'          => array('4828',             'league'),

   499         'LEAGUE_US'       => array('4828.0417',        'league'),

   500         'LEAP'            => array('2.0574',           'leap'),

   501         'LEGOA'           => array('6174.1',           'legoa'),

   502         'LEGUA'           => array('4200',             'legua'),

   503         'LEGUA_US'        => array('4233.4',           'legua'),

   504         'LEGUA_SPAIN_OLD' => array('4179.4',           'legua'),

   505         'LEGUA_SPAIN'     => array('6680',             'legua'),

   506         'LI_ANCIENT'      => array('500',              'li'),

   507         'LI_IMPERIAL'     => array('644.65',           'li'),

   508         'LI'              => array('500',              'li'),

   509         'LIEUE'           => array('3898',             'lieue'),

   510         'LIEUE_METRIC'    => array('4000',             'lieue'),

   511         'LIEUE_NAUTIC'    => array('5556',             'lieue'),

   512         'LIGHT_SECOND'    => array('299792458',        'light second'),

   513         'LIGHT_MINUTE'    => array('17987547480',      'light minute'),

   514         'LIGHT_HOUR'      => array('1079252848800',    'light hour'),

   515         'LIGHT_DAY'       => array('25902068371200',   'light day'),

   516         'LIGHT_YEAR'      => array('9460528404879000', 'ly'),

   517         'LIGNE'           => array('0.0021167',        'ligne'),

   518         'LIGNE_SWISS'     => array('0.002256',         'ligne'),

   519         'LINE'            => array('0.0021167',        'li'),

   520         'LINE_SMALL'      => array('0.000635',         'li'),

   521         'LINK'            => array(array('' => '792','/' => '3937'), 'link'),

   522         'LINK_ENGINEER'   => array('0.3048',           'link'),

   523         'LUG'             => array('5.0292',           'lug'),

   524         'LUG_GREAT'       => array('6.4008',           'lug'),

   525         'MARATHON'        => array('42194.988',        'marathon'),

   526         'MARK_TWAIN'      => array('3.6576074',        'mark twain'),

   527         'MEGAMETER'       => array('1000000',          'Mm'),

   528         'MEGAPARSEC'      => array('3.085677e+22',     'Mpc'),

   529         'MEILE_AUSTRIAN'  => array('7586',             'meile'),

   530         'MEILE'           => array('7412.7',           'meile'),

   531         'MEILE_GERMAN'    => array('7532.5',           'meile'),

   532         'METER'           => array('1',                'm'),

   533         'METRE'           => array('1',                'm'),

   534         'METRIC_MILE'     => array('1500',             'metric mile'),

   535         'METRIC_MILE_US'  => array('1600',             'metric mile'),

   536         'MICROINCH'       => array('2.54e-08',         '�in'),

   537         'MICROMETER'      => array('0.000001',         '�m'),

   538         'MICROMICRON'     => array('1.0e-12',          '��'),

   539         'MICRON'          => array('0.000001',         '�'),

   540         'MIGLIO'          => array('1488.6',           'miglio'),

   541         'MIIL'            => array('7500',             'miil'),

   542         'MIIL_DENMARK'    => array('7532.5',           'miil'),

   543         'MIIL_SWEDISH'    => array('10687',            'miil'),

   544         'MIL'             => array('0.0000254',        'mil'),

   545         'MIL_SWEDISH'     => array('10000',            'mil'),

   546         'MILE_UK'         => array('1609',             'mi'),

   547         'MILE_IRISH'      => array('2048',             'mi'),

   548         'MILE'            => array('1609.344',         'mi'),

   549         'MILE_NAUTIC'     => array('1852',             'mi'),

   550         'MILE_NAUTIC_UK'  => array('1853.184',         'mi'),

   551         'MILE_NAUTIC_US'  => array('1852',             'mi'),

   552         'MILE_ANCIENT'    => array('1520',             'mi'),

   553         'MILE_SCOTTISH'   => array('1814',             'mi'),

   554         'MILE_STATUTE'    => array('1609.344',         'mi'),

   555         'MILE_US'         => array(array('' => '6336000','/' => '3937'), 'mi'),

   556         'MILHA'           => array('2087.3',           'milha'),

   557         'MILITARY_PACE'   => array('0.762',            'mil. pace'),

   558         'MILITARY_PACE_DOUBLE' => array('0.9144',      'mil. pace'),

   559         'MILLA'           => array('1392',             'milla'),

   560         'MILLE'           => array('1949',             'mille'),

   561         'MILLIARE'        => array('0.001478',         'milliare'),

   562         'MILLIMETER'      => array('0.001',            'mm'),

   563         'MILLIMICRON'     => array('1.0e-9',           'm�'),

   564         'MKONO'           => array('0.4572',           'mkono'),

   565         'MOOT'            => array('0.0762',           'moot'),

   566         'MYRIAMETER'      => array('10000',            'mym'),

   567         'NAIL'            => array('0.05715',          'nail'),

   568         'NANOMETER'       => array('1.0e-9',           'nm'),

   569         'NANON'           => array('1.0e-9',           'nanon'),

   570         'PACE'            => array('1.524',            'pace'),

   571         'PACE_ROMAN'      => array('1.48',             'pace'),

   572         'PALM_DUTCH'      => array('0.10',             'palm'),

   573         'PALM_UK'         => array('0.075',            'palm'),

   574         'PALM'            => array('0.2286',           'palm'),

   575         'PALMO_PORTUGUESE'=> array('0.22',             'palmo'),

   576         'PALMO'           => array('0.20',             'palmo'),

   577         'PALMO_US'        => array('0.2117',           'palmo'),

   578         'PARASANG'        => array('6000',             'parasang'),

   579         'PARIS_FOOT'      => array('0.3248406',        'paris foot'),

   580         'PARSEC'          => array('3.0856776e+16',    'pc'),

   581         'PE'              => array('0.33324',          'p�'),

   582         'PEARL'           => array('0.001757299',      'pearl'),

   583         'PERCH'           => array('5.0292',           'perch'),

   584         'PERCH_IRELAND'   => array('6.4008',           'perch'),

   585         'PERTICA'         => array('2.96',             'pertica'),

   586         'PES'             => array('0.2967',           'pes'),

   587         'PETAMETER'       => array('1.0e+15',          'Pm'),

   588         'PICA'            => array('0.0042175176',     'pi'),

   589         'PICOMETER'       => array('1.0e-12',          'pm'),

   590         'PIE_ARGENTINA'   => array('0.2889',           'pie'),

   591         'PIE_ITALIC'      => array('0.298',            'pie'),

   592         'PIE'             => array('0.2786',           'pie'),

   593         'PIE_US'          => array('0.2822',           'pie'),

   594         'PIED_DE_ROI'     => array('0.3248406',        'pied de roi'),

   595         'PIK'             => array('0.71',             'pik'),

   596         'PIKE'            => array('0.71',             'pike'),

   597         'POINT_ADOBE'     => array(array('' => '0.3048', '/' => '864'), 'pt'),

   598         'POINT'           => array('0.00035',          'pt'),

   599         'POINT_DIDOT'     => array('0.000377',         'pt'),

   600         'POINT_TEX'       => array('0.0003514598035',  'pt'),

   601         'POLE'            => array('5.0292',           'pole'),

   602         'POLEGADA'        => array('0.02777',          'polegada'),

   603         'POUCE'           => array('0.02707',          'pouce'),

   604         'PU'              => array('1.7907',           'pu'),

   605         'PULGADA'         => array('0.02365',          'pulgada'),

   606         'PYGME'           => array('0.346',            'pygme'),

   607         'Q'               => array('0.00025',          'q'),

   608         'QUADRANT'        => array('10001300',         'quad'),

   609         'QUARTER'         => array('402.336',          'Q'),

   610         'QUARTER_CLOTH'   => array('0.2286',           'Q'),

   611         'QUARTER_PRINT'   => array('0.00025',          'Q'),

   612         'RANGE'           => array(array('' => '38016000','/' => '3937'), 'range'),

   613         'REED'            => array('2.679',            'reed'),

   614         'RI'              => array('3927',             'ri'),

   615         'RIDGE'           => array('6.1722',           'ridge'),

   616         'RIVER'           => array('2000',             'river'),

   617         'ROD'             => array('5.0292',           'rd'),

   618         'ROD_SURVEY'      => array(array('' => '19800', '/' => '3937'), 'rd'),

   619         'ROEDE'           => array('10',               'roede'),

   620         'ROOD'            => array('3.7783',           'rood'),

   621         'ROPE'            => array('3.7783',           'rope'),

   622         'ROYAL_FOOT'      => array('0.3248406',        'royal foot'),

   623         'RUTE'            => array('3.75',             'rute'),

   624         'SADZHEN'         => array('2.1336',           'sadzhen'),

   625         'SAGENE'          => array('2.1336',           'sagene'),

   626         'SCOTS_FOOT'      => array('0.30645',          'scots foot'),

   627         'SCOTS_MILE'      => array('1814.2',           'scots mile'),

   628         'SEEMEILE'        => array('1852',             'seemeile'),

   629         'SHACKLE'         => array('27.432',           'shackle'),

   630         'SHAFTMENT'       => array('0.15124',          'shaftment'),

   631         'SHAFTMENT_ANCIENT' => array('0.165',          'shaftment'),

   632         'SHAKU'           => array('0.303',            'shaku'),

   633         'SIRIOMETER'      => array('1.4959787e+17',    'siriometer'),

   634         'SMOOT'           => array('1.7018',           'smoot'),

   635         'SPAN'            => array('0.2286',           'span'),

   636         'SPAT'            => array('1.0e+12',          'spat'),

   637         'STADIUM'         => array('185',              'stadium'),

   638         'STEP'            => array('0.762',            'step'),

   639         'STICK'           => array('3.048',            'stk'),

   640         'STORY'           => array('3.3',              'story'),

   641         'STRIDE'          => array('1.524',            'stride'),

   642         'STRIDE_ROMAN'    => array('1.48',             'stride'),

   643         'TENTHMETER'      => array('1.0e-10',          'tenth-meter'),

   644         'TERAMETER'       => array('1.0e+12',          'Tm'),

   645         'THOU'            => array('0.0000254',        'thou'),

   646         'TOISE'           => array('1.949',            'toise'),

   647         'TOWNSHIP'        => array(array('' => '38016000','/' => '3937'), 'twp'),

   648         'T_SUN'           => array('0.0358',           "t'sun"),

   649         'TU'              => array('161130',           'tu'),

   650         'TWAIN'           => array('3.6576074',        'twain'),

   651         'TWIP'            => array('0.000017639',      'twip'),

   652         'U'               => array('0.04445',          'U'),

   653         'VARA_CALIFORNIA' => array('0.83820168',       'vara'),

   654         'VARA_MEXICAN'    => array('0.83802',          'vara'),

   655         'VARA_PORTUGUESE' => array('1.10',             'vara'),

   656         'VARA_AMERICA'    => array('0.864',            'vara'),

   657         'VARA'            => array('0.83587',          'vara'),

   658         'VARA_TEXAS'      => array('0.84666836',       'vara'),

   659         'VERGE'           => array('0.9144',           'verge'),

   660         'VERSHOK'         => array('0.04445',          'vershok'),

   661         'VERST'           => array('1066.8',           'verst'),

   662         'WAH'             => array('2',                'wah'),

   663         'WERST'           => array('1066.8',           'werst'),

   664         'X_UNIT'          => array('1.0020722e-13',    'Xu'),

   665         'YARD'            => array('0.9144',           'yd'),

   666         'YOCTOMETER'      => array('1.0e-24',          'ym'),

   667         'YOTTAMETER'      => array('1.0e+24',          'Ym'),

   668         'ZEPTOMETER'      => array('1.0e-21',          'zm'),

   669         'ZETTAMETER'      => array('1.0e+21',          'Zm'),

   670         'ZOLL'            => array('0.02634',          'zoll'),

   671         'ZOLL_SWISS'      => array('0.03',             'zoll'),

   672         'STANDARD'        => 'METER'

   673     );

   674 }