Find a currency conversion calculator. There are several online. Try the calculators at Oanda.com or XE.com
Input the amount of currency you wish to convert. Make sure to select "US Dollars (USD)" from the menu.
Select "India Rupees (INR)" from the next menu.
Select the date. Some currency calculators will allow you to select the exchange rate for a certain date. In most situations, you will want to stick with today's date, as this will give you the most current exchange rate. Nevertheless, this feature can be of use if you wish to calculate the conversion rate for an earlier date.
Press "Convert." The conversion will be displayed on the screen.