Excuse me, could you please clarify what you mean by "How much Roblox is $1?" Are you asking about the value of Robux, the virtual currency used in the Roblox platform, in relation to the US dollar? If so, it's important to note that the exchange rate between Robux and USD can fluctuate, and it's not a fixed rate. Typically, you can purchase Robux through the Roblox platform using real-world currency, and the exact amount of Robux you receive for your purchase will depend on the current exchange rate and any promotions or discounts that may be available. Is there a specific aspect of this topic you'd like me to elaborate on?