Tree girth measurement is one of the most ancient, quickest, and simplest of foresters' measures of size and records of growth of living and standing trees. The methods and equipment have been standardized differently in different countries.

How do you measure the girth of a tree?

The girth measurement is commonly taken by wrapping a Measuring tape (tape) around, and in the plane perpendicular to the axis of, the trunk, at the correct height. In spite of the apparent simplicity of wrapping a tape around a tree trunk at breast height, errors in this measurement are common.

Is tree girth the same as circumference?

The girth (also called circumference) or the diameter of the trunk is the most often measured parameter of monumental trees.