How much is MRT to USD?

Could you please elaborate on your question regarding the conversion rate of MRT to USD? Are you referring to a specific cryptocurrency or token named MRT, or perhaps a misunderstanding of another term? It's important to clarify as the cryptocurrency market is vast and constantly evolving, with new tokens and coins being introduced regularly. Additionally, exchange rates for cryptocurrencies can fluctuate significantly, so a precise answer would depend on the current market conditions and the specific exchange platform being used. Could you provide more context or clarification on your inquiry?