WooCommerce Currency Converter Widget is compatible with WPML. This plugin has been tested thoroughly, and you can use it to build multilingual sites without experiencing issues.
WooCommerce Currency Converter Widget
– Developed by WooThemes
Last tested on: November 8, 2017
The Currency Converter Widget for WooCommerce allows you to show a widget listing currencies that can be used by customers to dynamically switch the displayed currency prices.