You need to be at least 17 (of age) to drink firewhiskey, just like with alcoholic beverages in the muggle world

I just looked it up- most soda's have a very low alcoholic content as well, so it's very similar to a soda

It can only intoxicate House-elves.

Wait, sodas have alcohol? Never knew that

Like 0.05% or something like that

It’s not alcoholic I believe

It's not alcoholic it has something like 0.05% and toothpaste has more alcohol than it (0.63%)

Butterbeer isn't wine, it's practically a sweet, warm, caramell like, carbonated drink. A tiny bit of alcohol, like @PuppyPotter27 said, but nothing that would harm 13 year olds.

Yup

Butter beer is root beer for magical people @KnightsNights79