How many cups should I get from 1kg of beans?
Replies to This Discussion
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Permalink Reply by Kevin Ayers on
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Well, lets do the math.
1 Kg - (roughly)13% weight loss from roasting = .87 Kg roasted
870 grams / 10 grams (in each 6 oz cup as per SCAA standards) = 87 "cups"
if you meant 1 Kg roasted then the math is even easier.
edit-those 6oz cups actually finish with 5 1/3 oz after brewing.
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Permalink Reply by Fraser Jamieson on
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Ball park figures can also be expressed as being about 55 grams per litre. You may play with that in the range of around 50 to 60 grams per litre, but 55 is a great starting point.
I'm always confused when ounces are mixed in with grams. But that's just me.
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Permalink Reply by Jay Caragay on
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If we can agree that a cup of coffee is 12 ounces and that to brew a 12 ounce cup we use 24 grams of coffee, then out of one kilo of coffee you should yield 41.7 cups.
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Permalink Reply by Greg Hill on
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haha grams and ounces. grams are so better. considering 1ml of water is 1g, and most people are (or should be) brewing by weight of water as well as coffee (or, rather, by mass), i think it will soon be convention.
Fraser Jamieson said:
Ball park figures can also be expressed as being about 55 grams per litre. You may play with that in the range of around 50 to 60 grams per litre, but 55 is a great starting point.
I'm always confused when ounces are mixed in with grams. But that's just me.
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Permalink Reply by Mike McGinness on
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One BIG one:)
(The kind of answer I give after working 14 hours after 3 hours sleep after working 14hours after working 16 hours after working....in the course of hmmm last day I took off Thanksgiving...)
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Maybe but nope can't agree. Happen to use 22 gram at a particular grind when doing a 12oz Beehouse pourover. Of course your (and my) mileage may vary, depending on the coffee.
Don't get me started on the 13% weight loss assumption...
(I should go to bed and get some sleep but this is more fun:)
Jay Caragay said:If we can agree that a cup of coffee is 12 ounces and that to brew a 12 ounce cup we use 24 grams of coffee, then out of one kilo of coffee you should yield 41.7 cups.
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Mike, am I wrong about the 13% average? I thought that was what I experienced. Maybe I remembered wrong.
Mike McGinness said:
Maybe but nope can't agree. Happen to use 22 gram at a particular grind when doing a 12oz Beehouse pourover. Of course your (and my) mileage may vary, depending on the coffee.
Don't get me started on the 13% weight loss assumption...
(I should go to bed and get some sleep but this is more fun:)
Jay Caragay said:If we can agree that a cup of coffee is 12 ounces and that to brew a 12 ounce cup we use 24 grams of coffee, then out of one kilo of coffee you should yield 41.7 cups.
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Naw, you somewhat missed my point, which was mostly a weak attempt at being humorously onery. (and rather tired so my have failed)
Whatever you're experiencing is what your experiencing. While weight loss will of course vary by bean and roast and type of roaster in my experience 13% weight loss usually would only occur with a very fast very, very light roast. As an average in estimating costs of weight loss I use 16%. For example Ethiopia roasts usually more like 15.3%, with a ~15min City+ ~412F drop. This example is currently fairly consistent with three different Ethiopias, two DP one WP. Guat HueHue taken ~416F 15:30 15.9%. My Delirium Espresso blend 6 different beans 5 different roasts/profiles averages 15.75% (only 1 of 5 batches for the blend just staring 2nd ~450F drop, lightest ~430F, two ~442F, one ~444F), Sumatra my darkest SO ~456F 18.4% etc. So my experience my roasts my beans 13% as an average would yes be low. I turn my beans about every 6 weeks so not sitting around long losing moisture, older beans would loose less weight during roast. NOT saying you're roasting old beans, just rambling and speculating! Generally I tend to roast for a more balanced cup rather than pushing for the extreme in maximum brightness at the expense of body, complexity and balance in the cup. Was just discussing this with couple advanced palate customers today who said they much prefer my roasts over The major Portland guru roasting company who's expanded far outside of Portland, OR who I'll not name but you might guess name starts with an S, and I don't mean Charbucks.
Kevin Ayers said:Mike, am I wrong about the 13% average? I thought that was what I experienced. Maybe I remembered wrong.
Mike McGinness said:Maybe but nope can't agree. Happen to use 22 gram at a particular grind when doing a 12oz Beehouse pourover. Of course your (and my) mileage may vary, depending on the coffee.
Don't get me started on the 13% weight loss assumption...
(I should go to bed and get some sleep but this is more fun:)
Jay Caragay said:If we can agree that a cup of coffee is 12 ounces and that to brew a 12 ounce cup we use 24 grams of coffee, then out of one kilo of coffee you should yield 41.7 cups.
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Thanks for the clarification. My numbers came from my crappy little home roaster. I wasn't sure how much different it would be with commercial roasters.
Kevin Ayers said:
Mike, am I wrong about the 13% average? I thought that was what I experienced. Maybe I remembered wrong.
Mike McGinness said:
Maybe but nope can't agree. Happen to use 22 gram at a particular grind when doing a 12oz Beehouse pourover. Of course your (and my) mileage may vary, depending on the coffee.
Don't get me started on the 13% weight loss assumption...
(I should go to bed and get some sleep but this is more fun:)
Jay Caragay said:If we can agree that a cup of coffee is 12 ounces and that to brew a 12 ounce cup we use 24 grams of coffee, then out of one kilo of coffee you should yield 41.7 cups.
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