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[–] hobbidlybzi 1 points -1 points (+0|-1) ago 

I thought we knew dry and fluid ounces were different.

[–] UsedToBeCujoQuarrel 0 points 1 points (+1|-0) ago 

Doesn't an ounce liquid weigh one ounce?

Because "A pint it a pound the world round!"

[–] hobbidlybzi 1 points 2 points (+3|-1) ago 

Fluid ounces are a volume measurement. Dry ounces are weight. To convert between the two we'd need to know density. Granted it's a mostly water drink so it is likely close to 1 fl oz = 1 oz.

[–] lemon11 0 points 2 points (+2|-0) ago  (edited ago)

It's very close to one-to-one for liquid water. But the empty can alone adds half an ounce, and that doesn't count all the things dissolved in it which are more dense than water, like corn syrup at over one and a third water's density: if corn syrup accounts for the full thirty nine grams of carbohydrates, that makes up a full fluid ounce, which water would weigh scarcely thirty grams. So the whole thing weighs closer to one pound than three quarters of one.