Create a Woocommerce product sold in units of kilogram and gram
// Add a product custom field “grams_quantity” that will update the displayed price add_action(‘woocommerce_before_add_to_cart_button’, ‘special_product_by_grams’, 25); function special_product_by_grams(){ global $product; // HERE Define the special product IDs sold by grams $targeted_product_ids = array(37); // or HERE Define a product categories (ids, slugs or names) $categories = array(‘sold-by-gram’); // Only for products sold by gram $product_id…