How much caffeine

[javasaurus]

For a while, I've been under the impression that the caffeine ration of soda:tea:coffee is roughly 1:2:4, but what are the actual numbers? Here are a couple of web sites that help answer that.

The first web site basically shows that caffenated sodas are about 25 to 50 mg per 12oz can. Tea is about 50mg per 8 oz, and coffee more than 100mg per 8 oz. There is some variability.

The second web site gives more details, but isn't great for direct comparisons.

Comments

[dawntreader]

sooo, it is roughly 1:2:4 or not? math is way too hard for me to figure that out for myself. :P

i can clearly see it's 1:2 for tea vs. coffee. i guess it depends on the soda, but they don't measure it in 8 oz. but then, no one drinks 8 oz. of soda either. so how about picking coke and math it up for me. please? make me a formulaic ratio? :)