usdt to btc

Hello everyone, I don’t know if this is the right sub or not but I don’t know any other subs that could helps me.

i have a wallet (web3) it has 21.7 usdt and i want to convert this usdt to btc but one thing that prevents me from converting it is the fee. it needs a gram (ton) fee which i do not have. Is there any other solution that i could convert my money to? any advice would help alot and i will be appreciated and btw i use binance if anyone asking