The conversion of a $100 Amazon gift card to Naira depends on the current exchange rate. Exchange rates are constantly fluctuating due to various economic factors such as inflation, interest rates, and market demand.

To determine the exact amount in Naira, one would need to check with a reliable financial institution or currency exchange service. They can provide the most up-to-date exchange rate. For example, if the exchange rate is 1 dollar = 410 Naira, then a $100 Amazon gift card would be equivalent to 41,000 Naira.
It's important to note that different exchange rates may be offered by different providers. So, it's advisable to compare rates to get the best value when converting the $100 Amazon gift card into Naira. This ensures that you receive the maximum amount of Naira for your gift card.