Questions tagged [calculations]
Any sort of numerical manipulations used in calculating brew-related quantities such as bitterness, original gravity etc.
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Yield rates for priming sugar calculations
I am trying to figure out how Priming Sugar calculators work under the hood and just gave this illuminating article a read.
Most of it makes sense, however the author talks about each different ...
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Formula for calculating pitch rate
I see a whole bunch of online pitch rate calculators such as this one by Brewer's Friend, but I'm struggling to find the actual formula(e) used under the hood by them.
Does anybody know of any ...
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What is the "gravity correction factor" for IBU formulation and why do we apply it at 1.050?
The formula I've consistently found for calculating the IBU for a particular hop is:
IBU = Weight (ounces) x Alpha Acid % x Utilization % x 7489
--------------------------------------------------...
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Besides sparge water, what other water do all-grain brewers add in (and why)?
I have done a few extract kit beers and now a few partial mashes. I am starting the process of ramping up to all-grain.
In many online "brewing calculators", such as this mash water ...
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Check My Degrees Plato Calculations
I'm putting together my own brewing calculations spreadsheet to develop a good understanding of the ins and outs of building a beer recipe. For my malt/mash calculations, I've chosen to use the ...
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How will I calculate ABV if I had to add honey in the middle of a stuck fermentation?
I created a lemon/ginger/carrot mead and started with SG 1.120. I used a mead calculator (https://gotmead.com/blog/the-mead-calculator/) to factor in the sugars in the carrot. However, the ...
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Correct temperature effect on Specific gravity
Is there an equation that corrects specific gravity while considering temperature effect in Celsius, which does not presupposes a set hydrometer calibration temperature?
A direct relation, not tables ...
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What does a gravity reading really mean?
The simple/short version of the question:
What does a hydrometer gravity reading of 1.036 really mean? Does it mean the density of the liquid is 3.6% greater than that of distilled water (ignoring ...
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How to test mash for ion concentrations
I'm wondering if it's possible to test the mash during mash for an all grain batch to determine concentrations of calcium, magnesium, etc. Or if that is better determined by pre-mash calculations.
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Correction of Tinseth's for pellets vs cones
As I understand Tinseth's formula is derived from curve fitting (as I read it from his article).
However I can't see if he's using pellets or cones and I think that the utilization differs. I expect ...
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How would I estimate yeast concentration of washed yeast for Mr Malty's calculator?
I washed some yeast ( US 05 ) from my last brew; and I now have 3 jars of yeast which separated out nicely overnight. They're around 2/3 yeast, 1/3 liquid at the moment, with no trub as far as I can ...
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First brew: dry hopped mead, probably stuck. How to best proceed?
I'm on day 9 of my first attempt at home brewing (1 gallon batch), and based on my measurements on day 5 and today it appears to be stuck at 1.010
Original Gravity was 1.065
Kind of just went gung-...
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Question regarding which volume to use for OG calculation
My question is regarding which volume to use when calculating OG, and more importantly why.
How to calculate the gravity points for a recipe is fine, but then according to BeerSmith at least, you ...
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Calculate preboil volume
I forgot to measure how much wort I had preboil. I did take a gravity reading preboil.
Can I deduce preboil volume with post boil volume and pre & post boil gravity?
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Why less priming sugar in a mini keg?
I am used to bottling my beer and do bottle conditioning. However, I just bought a few 5l mini kegs for the next batch which is currently fermenting. From what I have read from different sources, you ...
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