One of the very useful, and not too well known, functions of Google search is unit and currency conversion. We use it practically daily and it really makes our life simpler.
Essentially you can convert between currencies e.g. EUR to USD through a simple search. Just enter x-amount CURRENCY1 to CURRENCY2 in the search box and Google will hande the rest. Specifically in our example we entered 600 EUR to USD and quickly got our result.