The value of a $500 Amazon gift card in Nigerian Naira can vary depending on the current exchange rate. Exchange rates are constantly fluctuating due to various economic factors.

To determine the exact amount, one would need to check with a reliable currency exchange service or look at the prevailing exchange rate in the market. Generally, the exchange rate is influenced by factors such as the economic stability of both the United States (where the dollar is based) and Nigeria.
If the exchange rate is favorable, the $500 Amazon gift card could potentially be worth a significant amount in Naira. It's important to note that when converting, there may be some fees associated with the exchange process, which could slightly affect the final amount received in Naira. This means that the actual value received might be a bit less than what the exchange rate would suggest without considering those fees.