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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category  Zend
  * @package   Zend_Measure
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  * @version   $Id$
  */
 
 /**
  * Implement needed classes
  */
 // require_once 'Zend/Measure/Abstract.php';
 // require_once 'Zend/Locale.php';
 
 /**
  * Class for handling weight conversions
  *
  * @category   Zend
  * @package    Zend_Measure
  * @subpackage Zend_Measure_Weigth
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Measure_Weight extends Zend_Measure_Abstract
 {
     const STANDARD = 'KILOGRAM';
 
     const ARRATEL                 = 'ARRATEL';
     const ARTEL                   = 'ARTEL';
     const ARROBA_PORTUGUESE       = 'ARROBA_PORTUGUESE';
     const ARROBA                  = 'ARROBA';
     const AS_                     = 'AS_';
     const ASS                     = 'ASS';
     const ATOMIC_MASS_UNIT_1960   = 'ATOMIC_MASS_UNIT_1960';
     const ATOMIC_MASS_UNIT_1973   = 'ATOMIC_MASS_UNIT_1973';
     const ATOMIC_MASS_UNIT_1986   = 'ATOMIC_MASS_UNIT_1986';
     const ATOMIC_MASS_UNIT        = 'ATOMIC_MASS_UNIT';
     const AVOGRAM                 = 'AVOGRAM';
     const BAG                     = 'BAG';
     const BAHT                    = 'BAHT';
     const BALE                    = 'BALE';
     const BALE_US                 = 'BALE_US';
     const BISMAR_POUND            = 'BISMAR_POUND';
     const CANDY                   = 'CANDY';
     const CARAT_INTERNATIONAL     = 'CARAT_INTERNATIONAL';
     const CARAT                   = 'CARAT';
     const CARAT_UK                = 'CARAT_UK';
     const CARAT_US_1913           = 'CARAT_US_1913';
     const CARGA                   = 'CARGA';
     const CATTI                   = 'CATTI';
     const CATTI_JAPANESE          = 'CATTI_JAPANESE';
     const CATTY                   = 'CATTY';
     const CATTY_JAPANESE          = 'CATTY_JAPANESE';
     const CATTY_THAI              = 'CATTY_THAI';
     const CENTAL                  = 'CENTAL';
     const CENTIGRAM               = 'CENTIGRAM';
     const CENTNER                 = 'CENTNER';
     const CENTNER_RUSSIAN         = 'CENTNER_RUSSIAN';
     const CHALDER                 = 'CHALDER';
     const CHALDRON                = 'CHALDRON';
     const CHIN                    = 'CHIN';
     const CHIN_JAPANESE           = 'CHIN_JAPANESE';
     const CLOVE                   = 'CLOVE';
     const CRITH                   = 'CRITH';
     const DALTON                  = 'DALTON';
     const DAN                     = 'DAN';
     const DAN_JAPANESE            = 'DAN_JAPANESE';
     const DECIGRAM                = 'DECIGRAM';
     const DECITONNE               = 'DECITONNE';
     const DEKAGRAM                = 'DEKAGRAM';
     const DEKATONNE               = 'DEKATONNE';
     const DENARO                  = 'DENARO';
     const DENIER                  = 'DENIER';
     const DRACHME                 = 'DRACHME';
     const DRAM                    = 'DRAM';
     const DRAM_APOTHECARIES       = 'DRAM_APOTHECARIES';
     const DYNE                    = 'DYNE';
     const ELECTRON                = 'ELECTRON';
     const ELECTRONVOLT            = 'ELECTRONVOLT';
     const ETTO                    = 'ETTO';
     const EXAGRAM                 = 'EXAGRAM';
     const FEMTOGRAM               = 'FEMTOGRAM';
     const FIRKIN                  = 'FIRKIN';
     const FLASK                   = 'FLASK';
     const FOTHER                  = 'FOTHER';
     const FOTMAL                  = 'FOTMAL';
     const FUNT                    = 'FUNT';
     const FUNTE                   = 'FUNTE';
     const GAMMA                   = 'GAMMA';
     const GIGAELECTRONVOLT        = 'GIGAELECTRONVOLT';
     const GIGAGRAM                = 'GIGAGRAM';
     const GIGATONNE               = 'GIGATONNE';
     const GIN                     = 'GIN';
     const GIN_JAPANESE            = 'GIN_JAPANESE';
     const GRAIN                   = 'GRAIN';
     const GRAM                    = 'GRAM';
     const GRAN                    = 'GRAN';
     const GRANO                   = 'GRANO';
     const GRANI                   = 'GRANI';
     const GROS                    = 'GROS';
     const HECTOGRAM               = 'HECTOGRAM';
     const HUNDRETWEIGHT           = 'HUNDRETWEIGHT';
     const HUNDRETWEIGHT_US        = 'HUNDRETWEIGHT_US';
     const HYL                     = 'HYL';
     const JIN                     = 'JIN';
     const JUPITER                 = 'JUPITER';
     const KATI                    = 'KATI';
     const KATI_JAPANESE           = 'KATI_JAPANESE';
     const KEEL                    = 'KEEL';
     const KEG                     = 'KEG';
     const KILODALTON              = 'KILODALTON';
     const KILOGRAM                = 'KILOGRAM';
     const KILOGRAM_FORCE          = 'KILOGRAM_FORCE';
     const KILOTON                 = 'KILOTON';
     const KILOTON_US              = 'KILOTON_US';
     const KILOTONNE               = 'KILOTONNE';
     const KIN                     = 'KIN';
     const KIP                     = 'KIP';
     const KOYAN                   = 'KOYAN';
     const KWAN                    = 'KWAN';
     const LAST_GERMANY            = 'LAST_GERMANY';
     const LAST                    = 'LAST';
     const LAST_WOOL               = 'LAST_WOOL';
     const LB                      = 'LB';
     const LBS                     = 'LBS';
     const LIANG                   = 'LIANG';
     const LIBRA_ITALIAN           = 'LIBRE_ITALIAN';
     const LIBRA_SPANISH           = 'LIBRA_SPANISH';
     const LIBRA_PORTUGUESE        = 'LIBRA_PORTUGUESE';
     const LIBRA_ANCIENT           = 'LIBRA_ANCIENT';
     const LIBRA                   = 'LIBRA';
     const LIVRE                   = 'LIVRE';
     const LONG_TON                = 'LONG_TON';
     const LOT                     = 'LOT';
     const MACE                    = 'MACE';
     const MAHND                   = 'MAHND';
     const MARC                    = 'MARC';
     const MARCO                   = 'MARCO';
     const MARK                    = 'MARK';
     const MARK_GERMAN             = 'MARK_GERMANY';
     const MAUND                   = 'MAUND';
     const MAUND_PAKISTAN          = 'MAUND_PAKISTAN';
     const MEGADALTON              = 'MEGADALTON';
     const MEGAGRAM                = 'MEGAGRAM';
     const MEGATONNE               = 'MEGATONNE';
     const MERCANTILE_POUND        = 'MERCANTILE_POUND';
     const METRIC_TON              = 'METRIC_TON';
     const MIC                     = 'MIC';
     const MICROGRAM               = 'MICROGRAM';
     const MILLIDALTON             = 'MILLIDALTON';
     const MILLIER                 = 'MILLIER';
     const MILLIGRAM               = 'MILLIGRAM';
     const MILLIMASS_UNIT          = 'MILLIMASS_UNIT';
     const MINA                    = 'MINA';
     const MOMME                   = 'MOMME';
     const MYRIAGRAM               = 'MYRIAGRAM';
     const NANOGRAM                = 'NANOGRAM';
     const NEWTON                  = 'NEWTON';
     const OBOL                    = 'OBOL';
     const OBOLOS                  = 'OBOLOS';
     const OBOLUS                  = 'OBOLUS';
     const OBOLOS_ANCIENT          = 'OBOLOS_ANCIENT';
     const OBOLUS_ANCIENT          = 'OBOLUS_ANCIENT';
     const OKA                     = 'OKA';
     const ONCA                    = 'ONCA';
     const ONCE                    = 'ONCE';
     const ONCIA                   = 'ONCIA';
     const ONZA                    = 'ONZA';
     const ONS                     = 'ONS';
     const OUNCE                   = 'OUNCE';
     const OUNCE_FORCE             = 'OUNCE_FORCE';
     const OUNCE_TROY              = 'OUNCE_TROY';
     const PACKEN                  = 'PACKEN';
     const PENNYWEIGHT             = 'PENNYWEIGHT';
     const PETAGRAM                = 'PETAGRAM';
     const PFUND                   = 'PFUND';
     const PICOGRAM                = 'PICOGRAM';
     const POINT                   = 'POINT';
     const POND                    = 'POND';
     const POUND                   = 'POUND';
     const POUND_FORCE             = 'POUND_FORCE';
     const POUND_METRIC            = 'POUND_METRIC';
     const POUND_TROY              = 'POUND_TROY';
     const PUD                     = 'PUD';
     const POOD                    = 'POOD';
     const PUND                    = 'PUND';
     const QIAN                    = 'QIAN';
     const QINTAR                  = 'QINTAR';
     const QUARTER                 = 'QUARTER';
     const QUARTER_US              = 'QUARTER_US';
     const QUARTER_TON             = 'QUARTER_TON';
     const QUARTERN                = 'QUARTERN';
     const QUARTERN_LOAF           = 'QUARTERN_LOAF';
     const QUINTAL_FRENCH          = 'QUINTAL_FRENCH';
     const QUINTAL                 = 'QUINTAL';
     const QUINTAL_PORTUGUESE      = 'QUINTAL_PORTUGUESE';
     const QUINTAL_SPAIN           = 'QUINTAL_SPAIN';
     const REBAH                   = 'REBAH';
     const ROTL                    = 'ROTL';
     const ROTEL                   = 'ROTEL';
     const ROTTLE                  = 'ROTTLE';
     const RATEL                   = 'RATEL';
     const SACK                    = 'SACK';
     const SCRUPLE                 = 'SCRUPLE';
     const SEER                    = 'SEER';
     const SEER_PAKISTAN           = 'SEER_PAKISTAN';
     const SHEKEL                  = 'SHEKEL';
     const SHORT_TON               = 'SHORT_TON';
     const SLINCH                  = 'SLINCH';
     const SLUG                    = 'SLUG';
     const STONE                   = 'STONE';
     const TAEL                    = 'TAEL';
     const TAHIL_JAPANESE          = 'TAHIL_JAPANESE';
     const TAHIL                   = 'TAHIL';
     const TALENT                  = 'TALENT';
     const TAN                     = 'TAN';
     const TECHNISCHE_MASS_EINHEIT = 'TECHNISCHE_MASS_EINHEIT';
     const TERAGRAM                = 'TERAGRAM';
     const TETRADRACHM             = 'TETRADRACHM';
     const TICAL                   = 'TICAL';
     const TOD                     = 'TOD';
     const TOLA                    = 'TOLA';
     const TOLA_PAKISTAN           = 'TOLA_PAKISTAN';
     const TON_UK                  = 'TON_UK';
     const TON                     = 'TON';
     const TON_US                  = 'TON_US';
     const TONELADA_PORTUGUESE     = 'TONELADA_PORTUGUESE';
     const TONELADA                = 'TONELADA';
     const TONNE                   = 'TONNE';
     const TONNEAU                 = 'TONNEAU';
     const TOVAR                   = 'TOVAR';
     const TROY_OUNCE              = 'TROY_OUNCE';
     const TROY_POUND              = 'TROY_POUND';
     const TRUSS                   = 'TRUSS';
     const UNCIA                   = 'UNCIA';
     const UNZE                    = 'UNZE';
     const VAGON                   = 'VAGON';
     const YOCTOGRAM               = 'YOCTOGRAM';
     const YOTTAGRAM               = 'YOTTAGRAM';
     const ZENTNER                 = 'ZENTNER';
     const ZEPTOGRAM               = 'ZEPTOGRAM';
     const ZETTAGRAM               = 'ZETTAGRAM';
 
     /**
      * Calculations for all weight units
      *
      * @var array
      */
     protected $_units = array(
         'ARRATEL'               => array('0.5',            'arratel'),
         'ARTEL'                 => array('0.5',            'artel'),
         'ARROBA_PORTUGUESE'     => array('14.69',          'arroba'),
         'ARROBA'                => array('11.502',         '@'),
         'AS_'                   => array('0.000052',       'as'),
         'ASS'                   => array('0.000052',       'ass'),
         'ATOMIC_MASS_UNIT_1960' => array('1.6603145e-27',  'amu'),
         'ATOMIC_MASS_UNIT_1973' => array('1.6605655e-27',  'amu'),
         'ATOMIC_MASS_UNIT_1986' => array('1.6605402e-27',  'amu'),
         'ATOMIC_MASS_UNIT'      => array('1.66053873e-27', 'amu'),
         'AVOGRAM'               => array('1.6605402e-27',  'avogram'),
         'BAG'                   => array('42.63768278',    'bag'),
         'BAHT'                  => array('0.015',          'baht'),
         'BALE'                  => array('326.5865064',    'bl'),
         'BALE_US'               => array('217.7243376',    'bl'),
         'BISMAR_POUND'          => array('5.993',          'bismar pound'),
         'CANDY'                 => array('254',            'candy'),
         'CARAT_INTERNATIONAL'   => array('0.0002',         'ct'),
         'CARAT'                 => array('0.0002',         'ct'),
         'CARAT_UK'              => array('0.00025919564',  'ct'),
         'CARAT_US_1913'         => array('0.0002053',      'ct'),
         'CARGA'                 => array('140',            'carga'),
         'CATTI'                 => array('0.604875',       'catti'),
         'CATTI_JAPANESE'        => array('0.594',          'catti'),
         'CATTY'                 => array('0.5',            'catty'),
         'CATTY_JAPANESE'        => array('0.6',            'catty'),
         'CATTY_THAI'            => array('0.6',            'catty'),
         'CENTAL'                => array('45.359237',      'cH'),
         'CENTIGRAM'             => array('0.00001',        'cg'),
         'CENTNER'               => array('50',             'centner'),
         'CENTNER_RUSSIAN'       => array('100',            'centner'),
         'CHALDER'               => array('2692.52',        'chd'),
         'CHALDRON'              => array('2692.52',        'chd'),
         'CHIN'                  => array('0.5',            'chin'),
         'CHIN_JAPANESE'         => array('0.6',            'chin'),
         'CLOVE'                 => array('3.175',          'clove'),
         'CRITH'                 => array('0.000089885',    'crith'),
         'DALTON'                => array('1.6605402e-27',  'D'),
         'DAN'                   => array('50',             'dan'),
         'DAN_JAPANESE'          => array('60',             'dan'),
         'DECIGRAM'              => array('0.0001',         'dg'),
         'DECITONNE'             => array('100',            'dt'),
         'DEKAGRAM'              => array('0.01',           'dag'),
         'DEKATONNE'             => array('10000',          'dat'),
         'DENARO'                => array('0.0011',         'denaro'),
         'DENIER'                => array('0.001275',       'denier'),
         'DRACHME'               => array('0.0038',         'drachme'),
         'DRAM'                  => array(array('' => '0.45359237', '/' => '256'), 'dr'),
         'DRAM_APOTHECARIES'     => array('0.0038879346',   'dr'),
         'DYNE'                  => array('1.0197162e-6',   'dyn'),
         'ELECTRON'              => array('9.109382e-31',   'e−'),
         'ELECTRONVOLT'          => array('1.782662e-36',   'eV'),
         'ETTO'                  => array('0.1',            'hg'),
         'EXAGRAM'               => array('1.0e+15',        'Eg'),
         'FEMTOGRAM'             => array('1.0e-18',        'fg'),
         'FIRKIN'                => array('25.40117272',    'fir'),
         'FLASK'                 => array('34.7',           'flask'),
         'FOTHER'                => array('979.7595192',    'fother'),
         'FOTMAL'                => array('32.65865064',    'fotmal'),
         'FUNT'                  => array('0.4095',         'funt'),
         'FUNTE'                 => array('0.4095',         'funte'),
         'GAMMA'                 => array('0.000000001',    'gamma'),
         'GIGAELECTRONVOLT'      => array('1.782662e-27',   'GeV'),
         'GIGAGRAM'              => array('1000000',        'Gg'),
         'GIGATONNE'             => array('1.0e+12',        'Gt'),
         'GIN'                   => array('0.6',            'gin'),
         'GIN_JAPANESE'          => array('0.594',          'gin'),
         'GRAIN'                 => array('0.00006479891',  'gr'),
         'GRAM'                  => array('0.001',          'g'),
         'GRAN'                  => array('0.00082',        'gran'),
         'GRANO'                 => array('0.00004905',     'grano'),
         'GRANI'                 => array('0.00004905',     'grani'),
         'GROS'                  => array('0.003824',       'gros'),
         'HECTOGRAM'             => array('0.1',            'hg'),
         'HUNDRETWEIGHT'         => array('50.80234544',    'cwt'),
         'HUNDRETWEIGHT_US'      => array('45.359237',      'cwt'),
         'HYL'                   => array('9.80665',        'hyl'),
         'JIN'                   => array('0.5',            'jin'),
         'JUPITER'               => array('1.899e+27',      'jupiter'),
         'KATI'                  => array('0.5',            'kati'),
         'KATI_JAPANESE'         => array('0.6',            'kati'),
         'KEEL'                  => array('21540.19446656', 'keel'),
         'KEG'                   => array('45.359237',      'keg'),
         'KILODALTON'            => array('1.6605402e-24',  'kD'),
         'KILOGRAM'              => array('1',              'kg'),
         'KILOGRAM_FORCE'        => array('1',              'kgf'),
         'KILOTON'               => array('1016046.9088',   'kt'),
         'KILOTON_US'            => array('907184.74',      'kt'),
         'KILOTONNE'             => array('1000000',        'kt'),
         'KIN'                   => array('0.6',            'kin'),
         'KIP'                   => array('453.59237',      'kip'),
         'KOYAN'                 => array('2419',           'koyan'),
         'KWAN'                  => array('3.75',           'kwan'),
         'LAST_GERMANY'          => array('2000',           'last'),
         'LAST'                  => array('1814.36948',     'last'),
         'LAST_WOOL'             => array('1981.29147216',  'last'),
         'LB'                    => array('0.45359237',     'lb'),
         'LBS'                   => array('0.45359237',     'lbs'),
         'LIANG'                 => array('0.05',           'liang'),
         'LIBRE_ITALIAN'         => array('0.339',          'lb'),
         'LIBRA_SPANISH'         => array('0.459',          'lb'),
         'LIBRA_PORTUGUESE'      => array('0.459',          'lb'),
         'LIBRA_ANCIENT'         => array('0.323',          'lb'),
         'LIBRA'                 => array('1',              'lb'),
         'LIVRE'                 => array('0.4895',         'livre'),
         'LONG_TON'              => array('1016.0469088',   't'),
         'LOT'                   => array('0.015',          'lot'),
         'MACE'                  => array('0.003778',       'mace'),
         'MAHND'                 => array('0.9253284348',   'mahnd'),
         'MARC'                  => array('0.24475',        'marc'),
         'MARCO'                 => array('0.23',           'marco'),
         'MARK'                  => array('0.2268',         'mark'),
         'MARK_GERMANY'          => array('0.2805',         'mark'),
         'MAUND'                 => array('37.3242',        'maund'),
         'MAUND_PAKISTAN'        => array('40',             'maund'),
         'MEGADALTON'            => array('1.6605402e-21',  'MD'),
         'MEGAGRAM'              => array('1000',           'Mg'),
         'MEGATONNE'             => array('1.0e+9',         'Mt'),
         'MERCANTILE_POUND'      => array('0.46655',        'lb merc'),
         'METRIC_TON'            => array('1000',           't'),
         'MIC'                   => array('1.0e-9',         'mic'),
         'MICROGRAM'             => array('1.0e-9',         '�g'),
         'MILLIDALTON'           => array('1.6605402e-30',  'mD'),
         'MILLIER'               => array('1000',           'millier'),
         'MILLIGRAM'             => array('0.000001',       'mg'),
         'MILLIMASS_UNIT'        => array('1.6605402e-30',  'mmu'),
         'MINA'                  => array('0.499',          'mina'),
         'MOMME'                 => array('0.00375',        'momme'),
         'MYRIAGRAM'             => array('10',             'myg'),
         'NANOGRAM'              => array('1.0e-12',        'ng'),
         'NEWTON'                => array('0.101971621',    'N'),
         'OBOL'                  => array('0.0001',         'obol'),
         'OBOLOS'                => array('0.0001',         'obolos'),
         'OBOLUS'                => array('0.0001',         'obolus'),
         'OBOLOS_ANCIENT'        => array('0.0005',         'obolos'),
         'OBOLUS_ANCIENT'        => array('0.00057',        'obolos'),
         'OKA'                   => array('1.28',           'oka'),
         'ONCA'                  => array('0.02869',        'onca'),
         'ONCE'                  => array('0.03059',        'once'),
         'ONCIA'                 => array('0.0273',         'oncia'),
         'ONZA'                  => array('0.02869',        'onza'),
         'ONS'                   => array('0.1',            'ons'),
         'OUNCE'                 => array(array('' => '0.45359237', '/' => '16'),    'oz'),
         'OUNCE_FORCE'           => array(array('' => '0.45359237', '/' => '16'),    'ozf'),
         'OUNCE_TROY'            => array(array('' => '65.31730128', '/' => '2100'), 'oz'),
         'PACKEN'                => array('490.79',         'packen'),
         'PENNYWEIGHT'           => array(array('' => '65.31730128', '/' => '42000'), 'dwt'),
         'PETAGRAM'              => array('1.0e+12',        'Pg'),
         'PFUND'                 => array('0.5',            'pfd'),
         'PICOGRAM'              => array('1.0e-15',        'pg'),
         'POINT'                 => array('0.000002',       'pt'),
         'POND'                  => array('0.5',            'pond'),
         'POUND'                 => array('0.45359237',     'lb'),
         'POUND_FORCE'           => array('0.4535237',      'lbf'),
         'POUND_METRIC'          => array('0.5',            'lb'),
         'POUND_TROY'            => array(array('' => '65.31730128', '/' => '175'), 'lb'),
         'PUD'                   => array('16.3',           'pud'),
         'POOD'                  => array('16.3',           'pood'),
         'PUND'                  => array('0.5',            'pund'),
         'QIAN'                  => array('0.005',          'qian'),
         'QINTAR'                => array('50',             'qintar'),
         'QUARTER'               => array('12.70058636',    'qtr'),
         'QUARTER_US'            => array('11.33980925',    'qtr'),
         'QUARTER_TON'           => array('226.796185',     'qtr'),
         'QUARTERN'              => array('1.587573295',    'quartern'),
         'QUARTERN_LOAF'         => array('1.81436948',     'quartern-loaf'),
         'QUINTAL_FRENCH'        => array('48.95',          'q'),
         'QUINTAL'               => array('100',            'q'),
         'QUINTAL_PORTUGUESE'    => array('58.752',         'q'),
         'QUINTAL_SPAIN'         => array('45.9',           'q'),
         'REBAH'                 => array('0.2855',         'rebah'),
         'ROTL'                  => array('0.5',            'rotl'),
         'ROTEL'                 => array('0.5',            'rotel'),
         'ROTTLE'                => array('0.5',            'rottle'),
         'RATEL'                 => array('0.5',            'ratel'),
         'SACK'                  => array('165.10762268',   'sack'),
         'SCRUPLE'               => array(array('' => '65.31730128', '/' => '50400'), 's'),
         'SEER'                  => array('0.933105',       'seer'),
         'SEER_PAKISTAN'         => array('1',              'seer'),
         'SHEKEL'                => array('0.01142',        'shekel'),
         'SHORT_TON'             => array('907.18474',      'st'),
         'SLINCH'                => array('175.126908',     'slinch'),
         'SLUG'                  => array('14.593903',      'slug'),
         'STONE'                 => array('6.35029318',     'st'),
         'TAEL'                  => array('0.03751',        'tael'),
         'TAHIL_JAPANESE'        => array('0.03751',        'tahil'),
         'TAHIL'                 => array('0.05',           'tahil'),
         'TALENT'                => array('30',             'talent'),
         'TAN'                   => array('50',             'tan'),
         'TECHNISCHE_MASS_EINHEIT' => array('9.80665',      'TME'),
         'TERAGRAM'              => array('1.0e+9',         'Tg'),
         'TETRADRACHM'           => array('0.014',          'tetradrachm'),
         'TICAL'                 => array('0.0164',         'tical'),
         'TOD'                   => array('12.70058636',    'tod'),
         'TOLA'                  => array('0.0116638125',   'tola'),
         'TOLA_PAKISTAN'         => array('0.0125',         'tola'),
         'TON_UK'                => array('1016.0469088',   't'),
         'TON'                   => array('1000',           't'),
         'TON_US'                => array('907.18474',      't'),
         'TONELADA_PORTUGUESE'   => array('793.15',         'tonelada'),
         'TONELADA'              => array('919.9',          'tonelada'),
         'TONNE'                 => array('1000',           't'),
         'TONNEAU'               => array('979',            'tonneau'),
         'TOVAR'                 => array('128.8',          'tovar'),
         'TROY_OUNCE'            => array(array('' => '65.31730128', '/' => '2100'), 'troy oz'),
         'TROY_POUND'            => array(array('' => '65.31730128', '/' => '175'),  'troy lb'),
         'TRUSS'                 => array('25.40117272',    'truss'),
         'UNCIA'                 => array('0.0272875',      'uncia'),
         'UNZE'                  => array('0.03125',        'unze'),
         'VAGON'                 => array('10000',          'vagon'),
         'YOCTOGRAM'             => array('1.0e-27',        'yg'),
         'YOTTAGRAM'             => array('1.0e+21',        'Yg'),
         'ZENTNER'               => array('50',             'Ztr'),
         'ZEPTOGRAM'             => array('1.0e-24',        'zg'),
         'ZETTAGRAM'             => array('1.0e+18',        'Zg'),
         'STANDARD'              => 'KILOGRAM'
     );
 }