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Why is it that you only add 8 cups of water for 12 cups of coffee?

All of my coffee makers say 12 cups of coffee but eight cups of water is all it takes. So a cup of coffee is only 3/4 cup of water. When did this happen.

Update:

If a pound of feathers and a pound of rocks both weigh one pound, then a cup of coffee and a cup of water should be one cup. Kind of a dumb question but it does make you wonder. It's like parking in a driveway and driving on a parkway. Just crazy.

6 Answers

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  • 1 decade ago
    Favorite Answer

    I think it is because a "cup of coffee" is 6 oz instead of 8oz. But that is a good question that I never thought to ponder before. Since I drink Folgers Half Calf, that means that I am only getting 3 oz of caffeine per "cup". Ain't I healthy? But don't ask how many ounces are in my "glass of wine". Ha!

  • Dave C
    Lv 7
    1 decade ago

    I've noticed that too where a cup of coffee is actually 6 oz instead of 8 oz. I bought a Senseo and the standard cup was 6 fluid oz.

    My guess is that it allows room for people to add cream and sugar to make up the rest.

    However, according to the website below, "Serving sizes for coffee are based on a 6 oz. fine china cup"

  • 1 decade ago

    A 'cup' of coffee is actually only 6 ounces, whereas a standard cup measure of water is 8 ounces. Do the math.

  • 1 decade ago

    Though a standard cup is 8 oz., a "cup of coffee" is defined as 6 oz.

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  • 1 decade ago

    whereas in my house 8 cups of water only makes 5 CUPS of coffee

  • Cister
    Lv 7
    1 decade ago

    I am looking for that answer

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