Should You Get a
Coffee Grinder with a Doser?
coffee grinders are "doserless"
coffee grinders, and some
coffee grinders come with a "dosing function."
In fact, there are many
coffee grinders that are sold both ways, with the "doser" being an added feature.
A doser is a mechanism within the chamber of the
coffee grinder that will dump a fixed dose of
ground coffee out of the
coffee grinder chute with the pull of a lever.
If you look into the chamber of a
coffee grinder, you will see the dosing mechanism.
The dosing mechanism is at the bottom of the chamber.
It is basically a rotating cylindrical disk having (usually)
six triangular dosing compartments in it.
coffee grounds in the chamber of the
coffee grinder will fill these dosing compartments.
Each compartment in the
coffee grinder holds one dose of
Pulling the dosing lever on a
coffee grinder simply causes the dosing disk to
rotate one sixth of a revolution (60 degrees) so as to
coffee in one of the six dosing
compartments from the
coffee grinder. A dosing compartment should
hold ¼ ounce (7 grams) of
For the dosing function of a
coffee grinder to work correctly, the chamber of the
coffee grinder needs to have plenty of
in it (more than half a dozen doses).
coffee shops, where they make
coffee drinks and
espresso drinks a day, the
dosing function is a very convenient feature to
have in all
coffee grinders. All that the
barista needs to do is to
pull the dosing lever on the
coffee grinders to get the right amount of
At the end of the day, the
ground coffee remaining in the chamber of the
coffee grinder has to be removed and discarded.
(In many shops, they will use the leftover
ground coffee to make
iced coffee.) This lost
coffee is not much overhead for a
coffee shop selling hundreds of
But if you are using a
coffee grinder to
grind coffee at home for yourself, you are probably better off with a doserless
coffee grinder. After all, the entire reason to buy a
coffee grinder is so that you can have freshly
You would not want to grind a half dozen doses of
coffee in the morning with your
coffee grinder just so that the dosing function in your
coffee grinder will work. Especially not if you are
just going to make two or three cups of
coffee. You would be much better off having a doserless
coffee grinder, and grinding exactly the amount of
you intend to use. This way, you will not have
ground coffee left over.
So if you are just buying a
coffee grinder for your own daily personal use,
skip the "dosing" feature, and save some money.