The conversion of 500 dollars to Nigerian naira depends on the current exchange rate. Exchange rates are constantly fluctuating in the foreign exchange market.

To determine the exact amount, one would need to check with a reliable financial institution or an online currency exchange platform. These sources provide the most up-to-date exchange rates. For example, if the exchange rate is such that 1 dollar is equivalent to a certain number of naira, then multiplying that rate by 500 will give the value in naira.

It's important to note that different platforms may offer slightly different exchange rates. Additionally, economic factors and market conditions can cause the exchange rate to change rapidly. So, regularly monitoring the rates is crucial for getting an accurate conversion of 500 dollars Amazon gift card into Nigerian naira.