Change display unit on product page woocommerce (dimensions are set into mm in woocommerce settings, but we want an display cm)

woocommerce_mm_into_cm.php

<?php
add_filter( 'woocommerce_product_dimensions', 'convert_dimensions_into_cm' ,100, 1 );
if(!function_exists('convert_dimensions_into_cm')){
	function convert_dimensions_into_cm($dimensions){
		//dimensions are set in mm in WC settings, but we want to display cm
		$dimensions = explode('x', $dimensions) ;
		$cm = array();
		foreach ($dimensions as $elem) {
			$cm[$elem] = $elem / 10 ;
		}
		$cm = implode('x', $cm). ' cm';
		return $cm ;
	}
?>
}