You can use this template to quickly enter a country from a dropdown selection to automatically select the currency to convert from and then the country to automatically select the currency to convert to.
 
Just enter your value, and the formula will convert everything for you with the power of the GOOGLE FINANCE function in Google Sheets. 
 
For more details on this GOOGLE FINANCE function in Google Sheets, check out this post: How to use the Google Finance Currency Function
 
Youtube Video: https://youtu.be/1ZFs9LX5qEI