There are several ways to convert bitcoins to cash and eventually transfer it to a bank account, for example, sell bitcoins on cryptocurrency exchanges.
There are many online exchangers that will help you convert bitcoin to cash. So that you do not waste time looking for such exchangers for a long time, use the BestChange service. Here you can find out exactly how can you convert bitcoin to cash and see offers of online exchangers here https://www.bestchange.com/bitcoin-to-dollar-cash.html
BestChange monitors exchange rates in several hundred reliable exchangers and equips you with all the information you need to select the best exchanger to transfer your money