Hi,
I made very simple PHP class for convert your volume of crypto currencies on Bittrex to choosen curency (EUR, USD, GBP, CZK, PLN......). On bittrex you can't see, how much do you have in USD/EUR.... This php class solve this problem.
instalation is very easy and full example is located in example folder.
You can check it here:
https://github.com/tomasnikl/bittrex-currency-converter