#### TheBearMoon

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- Thread starter TheBearMoon
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- Joined
- Oct 2, 2016

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You can definitely figure it out pretty close if you know how many lbs of honey and how many gallons of water you used. I’ve done the same thing because I mix up my mead each year at my Homebrew club’s annual Mead Day, which involves drinking past years’ meads and leads to forgetting things.

Post your recipe and we’ll figure it out with this formula:

(((#lbs/gals) X (7*#gals))/1000) + 1 = SG

example: 13.5lb honey and 5 gal water

(((13.5/5) X (7*5)) / 1000) + 1 = 1.0945

Post your recipe and we’ll figure it out with this formula:

(((#lbs/gals) X (7*#gals))/1000) + 1 = SG

example: 13.5lb honey and 5 gal water

(((13.5/5) X (7*5)) / 1000) + 1 = 1.0945

Last edited:

That equation definitely isn't right. It doesn't take into account the volume.You can definitely figure it out pretty close if you know how many lbs of honey and how many gallons of water you used. I’ve done the same thing because I mix up my mead each year at my Homebrew club’s annual Mead Day, which involves drinking past years’ meads and leads to forgetting things.

Post your recipe and we’ll figure it out with this formula:

(((#lbs/gals) X (7*#gals))/1000) + 1 = SG

example: 13.5lb honey and 5 gal water

(((13.5/5) X (7*5)) / 1000) + 1 = 1.0945

Here you go, this assumes 36ppg, which is probably correct to within about 10%:

0.036 * [pounds of honey] ÷ [total volume gal] + 1 = s.g.

Last edited:

- Joined
- Jul 3, 2018

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It can vary a little bit with your grains, but 36 ppg (points per pound per gallon) is a good starting point.

((0.036 * [pounds of grain]) * [your efficiency, like 80%]) / [total post-boil volume] +1 = SG.

It’s mead...Was it an all grain batch or extract?.

- Joined
- Jul 3, 2018

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- 72

- Reaction score
- 30

I totally missed that in the tags, thanks!It’s mead...

In your equation you divide by the gallons and then multiply by the gallons, so they cancel out. You can literally put any number and it won't change the result. It's only approximately correct for 5 gallon batches. The 7 came from dividing 35ppg by 5gal.

Now what if you added fruit beforehand?

Post your recipe and we’ll figure it out with this formula:

(((#lbs/gals) X (7*#gals))/1000) + 1 = SG

example: 13.5lb honey and 5 gal water

(((13.5/5) X (7*5)) / 1000) + 1 = 1.0945

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