The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much 100 dollars in Google Play gift card is worth in naira today, one needs to check the current exchange rate. This rate can be obtained from various financial news sources or currency exchange platforms.

Typically, the exchange rate is influenced by multiple factors such as economic conditions, interest rates, and geopolitical events. These fluctuations can cause the value of 100 dollars in terms of naira to change significantly over time. For example, if the exchange rate is favorable, 100 dollars might convert to a relatively large amount of naira, allowing for more Google Play credit or other purchases.

It's important to note that the exact amount will vary depending on when the conversion is made. So, to get the most accurate figure for how much 100 dollars in Google Play gift card is worth in naira today, it's best to look up the latest exchange rate at the moment of the transaction or conversion. This ensures that one gets the fairest value for their money when trading the gift card for naira.