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Calculating Alcohol content from gravity change. Which multiplier to use?

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BobDole

NewBee
Registered Member
Feb 3, 2019
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So I took my beginning gravity reading, I'll be taking my end gravity reading. My understanding is that I'm supposed to multiply the difference by a number to get the ABV. I'm finding mixed answers on what that number is though. This site says the number is 132.715. On the other hand, this one says it's 131.25.

I know the internet is great for misinformation and all, but these two numbers in particular are all over the place with seemingly no rhyme or reason. Some people say one, some people say the other. How do I know which one to use?
 
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