woocommerce/i18n/locale-info.php

<?php

return array(
	'GB' => array(
		'currency_code'  => 'GBP',
		'currency_pos'   => 'left',
		'thousand_sep'   => ',',
		'decimal_sep'    => '.',
		'num_decimals'   => 2,
		'weight_unit'    => 'kg',
		'dimension_unit' => 'cm'
	),
	'NL' => array(
		'currency_code'  => 'EUR',
		'currency_pos'   => 'left',
		'thousand_sep'   => ',',
		'decimal_sep'    => '.',
		'num_decimals'   => 2,
		'weight_unit'    => 'kg',
		'dimension_unit' => 'cm'
	),
	'US' => array(
		'currency_code'  => 'USD',
		'currency_pos'   => 'left',
		'thousand_sep'   => ',',
		'decimal_sep'    => '.',
		'num_decimals'   => 2,
		'weight_unit'    => 'lbs',
		'dimension_unit' => 'in'
	)
);