The conversion of 75 US dollars to Nigerian Naira depends on the current exchange rate. Exchange rates are constantly fluctuating due to various economic factors.

To determine the exact amount in Naira, one would need to check the prevailing exchange rate at a particular time. Financial institutions, currency exchange platforms, or online financial news sources can provide the most up-to-date rate.
Once the exchange rate is known, the calculation is straightforward. Multiply the amount in US dollars (75) by the exchange rate. For example, if the exchange rate is 410 Naira per US dollar, then 75 USD would be 75 * 410 = 30750 Naira. However, as the rate changes frequently, it's essential to use the current rate for an accurate conversion.