The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much 75 US dollars in terms of Nigerian naira today, one needs to check the current exchange rate. This can be obtained from various financial news sources, online currency exchange platforms, or even local banks.

Exchange rates are influenced by multiple factors such as economic conditions, political stability, and global market trends. For example, if there is an increase in demand for the US dollar in the international market, it may lead to a strengthening of the dollar against the naira, meaning that 75 US dollars would convert to fewer naira.

Once the accurate exchange rate is known, it is simply a matter of multiplication. Multiply the value of 75 US dollars by the exchange rate to get the equivalent amount in Nigerian naira. So, the exact figure will depend entirely on the prevailing exchange rate at the time of the conversion.