It depends on your ability and goals. We can spend the hour in conversation, studying grammar and vocabulary, doing exercises or role play.
I have a BA in French which includes spending a semester in Rennes specifically focused on studying the language, society and culture. After, my use of the language declined as I pursued other fields of interest. But, I have remained active in modern languages as an English language teacher and as a student of Korean and Chinese. Lately, I have been getting back into French and am exploring translation services.
Hourly rate varies