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Just curious does anybody know how many blueberries it takes to make a 16oz cup of blueberry juice.

I know if I buy 16oz = 1 pound of blueberries and juiced them they would give me something less then 16oz of juices. So I basically need the ratio i.e the amount of juice per pound.

Is there any body that knows of a site to give you these ratio's for different fruits and vegetables?
For example 1pound of blueberries equals 4oz blueberry juice (4oz per pound )

Then from this I know if I buy 2 pounds I will get approx. a cup of pure blueberry juices.

Thanks for any help on this one.
If I cann't find it I will just have to do the measurements out my self but I was trying to safe some money in the process.

I know if a site exits to give these ratio's or percents of juice in fruit and vegatables it would just be an approximation. But the average fruit sizes is probably a good enough approximation where I live.

What's this oz you speak of? How many firkin does it make?

http://en.wikipedia.org/wiki/Metric_system
ftw

A pound of blueberries yields three fluid ounces of juice.

You all know SI base units, of course? Why on earth the mass unit, kilogram (kg), has a 'kilo' prefix? What a base unit is that? Life is interesting.

Antti wrote:You all know SI base units, of course? Why on earth the mass unit, kilogram (kg), has a 'kilo' prefix? What a base unit is that? Life is interesting.

Because the kilogram is the mass of one litre (another base unit) of water (a fairly common substance on Earth).

Is it a good design choice? Probably not. Neither is the "kilosecond", but it's entirely valid as an SI unit...