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How much coffee is 7grams?
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Discussions > Espresso > Q and A > How much coffee...  
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micman75
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micman75
Joined: 22 Jan 2004
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Posted Thu Feb 12, 2004, 11:19pm
Subject: How much coffee is 7grams?
 

Hi guys,

apologies in advance for silly questions but I've searched the forum for this topic but can't find any answers.

The general consensus here is (with slight variations)

single shot: 7grams giving 1-1.5oz over 25 secs
double shot: 14-15 grams giving 2-3 oz over 25 secs

Now, my question is:  How do you measure out 7 grams?  do you weigh it out?  do you just assume that the measuring spoon supplied with the machine measures out 7 grams? if so is it a heaped spoonful, or level?

Mic
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lattedog
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lattedog
Joined: 17 Jan 2004
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Location: Chicago, IL, USA
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Posted Fri Feb 13, 2004, 12:00am
Subject: Re: How much coffee is 7grams?
 

Well it is a weight of the dose.  Measured with a scale...like drug dealers use.  From a cheap hang scale...to a more expensive digital scale.  They sell them at many of the coffee equipment sites...like Chris Coffee...heres a link to Chris Coffee service showing a nice digital one for $75US click here. I'm sure you could buy one there as well, probably even retail around town.  Once you establish grind adjustment-to-weight, then you could use proportion as a measurment...this is pretty much what you do if you have a grinder with an adjustable doser.  I'm not a stalk-raving-mad-scientist-full-blown-aficionado-coffeegeek yet....yet. So others may chime in with better knowledge and their definition of a correct weighted dose-per-shot recommendations.  There always seems to be another variable...like blend type, dark or light roast, humidity, etc. or even as another_jim puts it "the butterflies in brazil" that I don't know about.  I'm still using the "that's about enough" method.
Hope this helps a little.

 
Rich P  {:^)>  U===
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HB
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Joined: 3 Apr 2003
Posts: 2,913
Location: Cary, NC
Posted Fri Feb 13, 2004, 4:16am
Subject: Re: How much coffee is 7grams?
 

micman75 Said:

How do you measure out 7 grams?  do you weigh it out?  do you just assume that the measuring spoon supplied with the machine measures out 7 grams? if so is it a heaped spoonful, or level?

Posted February 13, 2004 link

I use a 0.1g accuracy scale but that's overkill.  A level scoop of beans will be darn close to 7 grams precisely.  Loose grinds in the double basket amount to 14-16 grams, depending on the basket and grinder (e.g., the Mazzer Mini's grinds are more "fluffy" than Rocky).  The more important issue is consistency rather than an absolute weight.

-- Dan

 
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ljguitar
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Joined: 28 Jan 2003
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Posted Fri Feb 13, 2004, 8:23am
Subject: Re: How much coffee is 7grams?
 

micman75 Said:

How do you measure out 7 grams?  do you weigh it out?  do you just assume that the measuring spoon supplied with the machine measures out 7 grams? if so is it a heaped spoonful, or level?

Posted February 12, 2004 link

Hi Mic...
Just fill the basket (single or double) with beans, and then grind & tamp them. Most beans will come really close to the correct amount for your machine, and it is nearly as accurate as weighing. If it is a little quick, you could add a few more beans. Once you figure it out, it won't change much.

With the Silvia I used to slightly heap the grounds before tamping, for the Expobar, I fill it level with grounds.

L  a  r  r  Y
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49express
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Posted Fri Feb 13, 2004, 7:38pm
Subject: Re: How much coffee is 7grams?
 

I checked once with my kitchen scale.  It's not digital, but I think it worked fine.  You can probably get a less expensive scale than $75 at any good kitchen goodies store.
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HB
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Joined: 3 Apr 2003
Posts: 2,913
Location: Cary, NC
Posted Fri Feb 13, 2004, 8:00pm
Subject: Re: How much coffee is 7grams?
 

49express Said:

You can probably get a less expensive scale than $75 at any good kitchen goodies store.

Posted February 13, 2004 link

If it's only for espresso, you can get by with a 120g / 0.1g accuracy scale for less than $30 on eBay.  Search on "digital scales".  There is also a plethora of websites specializing in them.  The thread Which Scale? has other suggestions.

-- Dan

 
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jliedeka
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jliedeka
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Posted Sat Feb 14, 2004, 8:47am
Subject: Re: How much coffee is 7grams?
 

Or you could buy a "postage" scale from a head shop.

 
Cafe todo el dia, tequila toda la noche
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daktarz
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daktarz
Joined: 3 Jan 2004
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Posted Sat Feb 14, 2004, 11:12am
Subject: Re: How much coffee is 7grams?
 

Okay, nobody has mentioned yet that 7 grams corresponds to around 50-55 individual beans.
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Ian
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Ian
Joined: 21 Jan 2003
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Posted Sat Feb 14, 2004, 12:14pm
Subject: Re: How much coffee is 7grams?
 

daktarz Said:

7 grams corresponds to around 50-55 individual beans.


Yeah, but how many Maragogype?  :-)

 
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daktarz
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daktarz
Joined: 3 Jan 2004
Posts: 298
Location: Bay Area, CA
Expertise: I love coffee

Espresso: Isomac Rituale
Grinder: Mazzer Mini
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Posted Sat Feb 14, 2004, 1:05pm
Subject: 2
 

or 3 if they're unusually small
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