The value of a $100 Google Play gift card in Nigerian Naira can vary depending 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 how much a $100 Google Play gift card is worth in Naira today, one would need to check a reliable financial source or a currency exchange platform. These sources provide up-to-date exchange rate information.
Once the exchange rate is known, it can be multiplied by 100 to find out the equivalent amount in Naira. For example, if the exchange rate is 410 Naira per dollar, then a $100 Google Play gift card would be worth 41,000 Naira. However, it's important to note that the rate can change throughout the day, so it's advisable to check closer to the time of the transaction for the most accurate value.