Home Brew Forums > Home Brewing Beer > General Beer Discussion > I forgot to take my OG
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Old 02-12-2011, 12:45 PM   #1
lroog
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Default I forgot to take my OG

But my final is 1.022. Any way to guess what the ABV might be?


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Old 02-12-2011, 12:48 PM   #2
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You can estimate the OG based on the ingredients used. Just enter them into any of the popular recipe calculators/spreadsheets.

Once you have the OG, you can use the numerous, online ABV calculators to figure out the ABV.

Or, just use this equation:

og-fg X 131


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Old 02-12-2011, 01:06 PM   #3
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Thanks
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Old 02-12-2011, 01:53 PM   #4
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That worked pretty good, thanks for the tip.

I came up with 1.060 - 1.055, so I am somewhere in the 4.5 to 5% range.
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Old 02-12-2011, 02:00 PM   #5
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You could also use a refractometer and figure out the OF by the refract reading compared to the hydro reading.


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