How to Change WooCommerce SKU text to another label

You can change WooCommerce SKU label to another label using the gettext filter.

add_filter('gettext', 'codeithub_translate_woocommerce', 10, 3);
 * Changing SKU Label

function codeithub_translate_woocommerce($translation, $text, $domain) {
   if ($domain == 'woocommerce') {
        switch ($text) {
            case 'SKU':
                $translation = 'Catalogue Number:';
            case 'SKU:':
                $translation = 'Catalogue Number:';
    return $translation;

You can add the above snippet in your functions.php file, SKU label will get changed to “Catalogue Number:”


Change SKU label in woocommerce


SKU label text changed to another label

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