- 1 Kilo of coffee is 1000 grams of coffee, regardless of if it is whole bean or pre ground.
- a typical shot of coffee is obtained from extracting the espresso from a single 7gram basket
So, based on that very basic principle of 7 grams of coffee per single shot (resulting in 30mls of liquid coffee in the cup), you could make 142 single coffee shots.
Its not always like that though, some single coffee baskets are 8 or 9 grams capacity - and if you're like me, you rarely use the single shot basket and instead always reach for the double basket. So, now we are up to 18 grams (2 x 9 grams) per coffee. Then there are triple baskets, which have a rating of 21 grams (3 x 7 grams), and people will push the limits to make that 22 or 23 grams of coffee ground per coffee extraction.
Saying all that, the most common extraction is is from 16 - 18 grams of coffee (2 x 8 grams or 2 x 9 grams).
So, when you do the math, a double shot could be 16 grams resulting in 62 double shot coffees and a single shot is 8 gram resulting in 124 single shot coffees. If we base it on the traditional 7 grams per shot, and you consider that half of your coffees might be singles, and the other half doubles, we can split the difference to arrive at an average of 94 coffees per kilo of coffee (47 doubles and 47 singles), including an allowance for some wastage - more or less depending on your preference.
The main thing to take away here is that coffee flavour, strength and feel is all very personal - it's what makes the difference between a disappointing coffee and an outstanding coffee - with fresh beans, you are in total control; use as little or as much coffee as you like, ground as course or as fine as you like, extracted for as short or as long as you like - perfectly tailored to your own taste!
Caveat: all this assumes you are using an Espresso machine - there are many other ways to make coffee, so if you're using a Plunger, Drip Filter, Pour Over, Percolator, Stove Top, Pressi, Cold Press, Cupping or any of the many other methods, you'll get a different result, and flavour.
I LOVE COFFEE!