FOX - Currency Switcher Professional for WooCommerce

Plugin link: https://woocommerce.com/products/measurement-price-calculator/

In file \plugins\woocommerce-measurement-price-calculator\classes\class-wc-price-calculator-cart.php add next code:

if (class_exists('WOOCS')) {
    global $WOOCS;
    $price = $WOOCS->woocs_exchange_value(floatval($price));
}