How much is $50 BTC worth in dollars?

I'm curious to know, how does one calculate the dollar equivalent of $50 worth of Bitcoin? Given the volatile nature of cryptocurrencies, I understand the value can change rapidly. But let's assume for the moment that I want to know the approximate worth of $50 in BTC based on the current market conditions. Could you please explain the process of converting this amount into dollars? Is there a specific tool or exchange rate I should be using to ensure an accurate calculation? Thank you for your time and assistance in clarifying this matter.