How much is $1 USD in TT?

Could you please clarify what you mean by "TT" in the context of converting $1 USD to another currency? If "TT" refers to a specific currency or financial instrument, it's important to know the exact designation as the conversion rate can vary widely depending on the currency being used. In general, the conversion rate between USD and any other currency will depend on the current market exchange rate. Without knowing the exact currency or instrument represented by "TT," I can't provide an accurate answer to your question. Could you please provide more information or specify the currency you're interested in converting to?