how many cups is 16 oz peanut butter? | Taste of Home Community

# how many cups is 16 oz peanut butter?

## Last post Dec 19, 2013 1:54 AM by tawny77 . 12 replies.

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• how many cups is 16 oz peanut butter?
want to make the yummy pb fudge!
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• RE: how many cups is 16 oz peanut butter?
1 cup=8 ounces
2 cups= 16 ounces
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• RE: how many cups is 16 oz peanut butter?
Which PB Fudge are you making?
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• RE: how many cups is 16 oz peanut butter?
weight and volume aren't always the same. you're better off measuring it than just assuming the 16 oz jar is 2 cups.
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• RE: how many cups is 16 oz peanut butter?
DorothyR in Malibu's recipe that Star said was excellent
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• RE: how many cups is 16 oz peanut butter?
Good choice!!!
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• RE: how many cups is 16 oz peanut butter?
Good choice!!!
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• RE: how many cups is 16 oz peanut butter?
ok found a conversion calculator that also lets you choose the food.

16 oz of peanut butter =1.76 cups

so to answer your question 1 3/4 cups. it's that pesky weight vs volume thing again.

http://www.gourmetsleuth.com/cookingconversions.asp?Action=find
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• RE: how many cups is 16 oz peanut butter?
My buckeye candy recipe calls for 2 cups peanut butter. I found out that equals an 18 ounce jar--so no sticky measuring cups!
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• RE: how many cups is 16 oz peanut butter?
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• Re: how many cups is 16 oz peanut butter?
The 2 cup=16 oz is for fluid oz, and since peanut butter isn't a fluid, we can't really use that conversion. Since we are converting weight (mass) to volume, we need an equation that has both of these variables and density is the perfect equation for this. A quick google search for the density of peanut butter (without nuts) was found to be 9.1 oz per 1 cup. So using the equation of density=mass/volume, and rearranging for your volume, volume=mass/density, volume=(needed mass)/9.1=your desired volume. So for your 16 oz of peanut butter, Volume=16oz/9.1=1.758cups, or 1 3/4 cups of peanut butter.
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• Re: how many cups is 16 oz peanut butter?

I just made a peanut butter cookie recipe yesterday.  16 ounces of Smucker's Natural Creamy Peanut Butter equaled 1 1/2 cups when I took it out of the jar. I discovered this after I mixed all the oil in by hand and then put it into the mixing bowl from the measuring cups!

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• Re: how many cups is 16 oz peanut butter?

So true, a big difference when it comes to liquid weight vs. dry weight, that's why God created 2 sets of measuring cups.

A simple hint: when measuring any sticky ingredients into a measuring container, either wipe the container with a bit of vegetable oil or a spray, do the same to the measuring utensil.  Item will easily be released and clean up is easier.  I'm sure everyone here already knows that.

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