Questions tagged [calculations]

Any sort of numerical manipulations used in calculating brew-related quantities such as bitterness, original gravity etc.

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14
votes
2answers
8k views

Can we estimate the temperature rise in the primary due to fermentation?

OK, this is sort of cheating but I really liked this question so I thought I'd ask the question again in a slightly different way and try and answer it. I was wondering if we can actually estimate ...
6
votes
3answers
24k views

Temperature correction for specific gravity

If I want to convert my specific gravity reading from one temperature to an equivalent specific gravity at 60F how do I do it? Can you give me a correction factor for this case?
5
votes
1answer
850 views

How does efficiency change when adding grains that are normally steeped to a mash?

Imagine this scenario: you have a an extract recipe that contains a pound of steeped caramel malt. According to http://www.promash.com/FAQ/faq_diff.html the average efficiency of steeped malts is ...
1
vote
2answers
246 views

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?