A simple tool to calculate the maker/taker fees before you open a buy/sell order on Poloniex.
Poloniex Fee Calculator After opening a currency exchange page on Poloniex, just click the extension icon once to show the fee calculator. Calculators will show up below the buy and sell order forms. Before you place a buy or sell order, just click on the Calculate Again button to show the maker/taker fees and the final total/amount that you'll get after the order is complete. If you find this extension useful, consider donating 0.002 BTC or more to this address: 13PtDyQFpRsFYZDX8PRMZfWkELY66wyrW7