Garlic is measured by diameter, from one side to the other side
across the widest point while looking at the bulb from the top
(stalk end) or the bottom (root end).
Garlic growers vary in how they advertise their garlic for sale, so
read carefully when looking at web sites.
Some growers consider bulbs 2" in diameter to be "large," while
others consider anything over 1 1/4" as large. That's a big
Also, garlic varieties may have differing breaking points between a
good-sized bulb and a medium-sized bulb. Some garlic varieties
consistently produce 2 to 3" bulbs, while others consistently
produce 1 1/4 to 1 3/4" bulbs. Read descriptions carefully if this
matters to you.
Each year's weather can also affect bulb sizes. A cool, wet year in
the northern half of the US may cause most growers' garlic to be
smaller than it was in previous years that were warmer during the
There is no need to purchase a garlic measuring device.
We've tried a lot of different
methods to quickly and accurately measure garlic, and this is truly
the easiest. A friend of ours that will be growing garlic with us in
2012 came up with this, and we have really appreciated the ease and
simplicity...as well as how fast it is to make a new one when
Now, if you want to, you can spend $30 to $80 to buy a varnished
board with nails, wires, etc. to help you measure.