Steps to Convert Currency :

Yahoo Finance API :

Observe below GET request URL. You can see the query in q parameter. Here the Currency codes were paired. Click on below link to see output XML format.

Example :

If you want to get US dollar value in Indian rupees then you have to form below URL

http://query.yahooapis.com/v1/public/yql?q=select * from yahoo.finance.xchange where pair in ("USDINR")&env=store://datatables.org/alltableswithkeys

Request to Yahoo Finance API and Get Response XML :

To convert money from one currency to another currency, we need Currency Exchange Rate Value. Yahoo is providing an online API to get currency exchange rates. Here in below example I explained how to convert Money from one currency to other using Yahoo Finance API.