If you are an e-commerce site or you just feel the need to add a currency converter in your WordPress site, these top 6 currency converter plugins will help get things done. Some of these plugins are widget-based and some are in-line oriented (convert currencies on the fly), some are a combination of both.
Currencyr is a plugin that offers not only widgets but also shortcodes. It can convert currencies, on-the-fly, it can allow you to set-up a pull-down menu on a price then be converted to various currencies, and even more options.
Other currency converters are EuroRef, WP Currency Converter, Currency Converter, Google Ajax Currency Convertor, and The Exchange Rate Table.
For more information about these currency plugins, please read this blog: