I never had to do this myself, I was lucky and my family is largely atheist (of the don't really care variety) and those that aren't are accepted. VERY lucky.
However from what I have seen honesty is important, you can't be afraid to be yourself. It may surprise your parents, and we cannot fault them for that.
I know a lot of people here can speak with more experience on this than me so I'll keep my advice to this: Remind them you are still their child. You still love them and you have not changed, you are not an evil person nor do you think they are. You simply do not beleive in god, whatever your reason.
That's it, you're still you and I hope that they can at least respect that. If they say they want to pray for you it's a good thing, it means they care because from their perspective they think they are helpingyou by doing that (even if we know they aren't, it's the intent).
However from what I have seen honesty is important, you can't be afraid to be yourself. It may surprise your parents, and we cannot fault them for that.
I know a lot of people here can speak with more experience on this than me so I'll keep my advice to this: Remind them you are still their child. You still love them and you have not changed, you are not an evil person nor do you think they are. You simply do not beleive in god, whatever your reason.
That's it, you're still you and I hope that they can at least respect that. If they say they want to pray for you it's a good thing, it means they care because from their perspective they think they are helpingyou by doing that (even if we know they aren't, it's the intent).