[ 'length' => [ 'm' => [ 'format' => '1,0.000 m', 'unit' => 1.00, ], 'mm' => [ 'format' => '1,0.000 mm', 'unit' => 1000, ], 'cm' => [ 'format' => '1!0 cm', 'unit' => 100, ], 'ft' => [ 'format' => '1,0.00 ft.', 'unit' => 3.28084, ], 'in' => [ 'format' => '1,0.00 in.', 'unit' => 39.3701, ], ], 'area' => [ 'sqm' => [ 'format' => '1,00.00 sq m', 'unit' => 1, ], ], 'weight' => [ 'kg' => [ 'format' => '1,0.00 kg', 'unit' => 1.00, ], 'g' => [ 'format' => '1,0.00 g', 'unit' => 1000.00, ], 'lbs' => [ 'format' => '1,0.00 lbs', 'unit' => 2.20462, ], ], 'volume' => [ 'l' => [ 'format' => '1,00.00l', 'unit' => 1, ], 'ml' => [ 'format' => '1,00.000ml', 'unit' => 1000, ], 'gal' => [ 'format' => '1,00.000gal', 'unit' => 0.264172, ], 'floz' => [ 'format' => '1,00.000Fl oz.', 'unit' => 33.814, ], ], ], ];