Currency converter to convert from West African Franc (XOF) to Nigerian Naira (NGN) including the latest exchange rates, a chart showing the exchange rate history for the last 120-days and information about the currencies. Currency conversion rates from Nigerian Naira to U.S. Dollar today Fri, 13 Mar 2020: convert from NGN to USD and also convert in a reverse direction. Rates are based on real time exchange rates. Exchange rates are updated every 15 minutes. Dollar To Naira Exchange Rate. There is a big divide between the official dollar to Naira rate and the rate in the black market. The official CBN rate stand at N306.45 per US Dollar ($) Centrally. 1 US dollar sells for #306.95 and is being bought for the sum of #305.95.