You can place a string around the head, and then measure the string. Or measure directly with a measuring tape, if you have one that is flexible enough (basically, a measuring tape made up of cloth or something similar).
The circumference of a circle measures the distance around the circle.
what is the average head circumference of a 5 year old boy
There is no such specific unit of measure as a circumference - a circumference is merely the distance around something.
Circumference is a linear measure and has no volume - just as a straight line has no volume.
With a tape measure.
A tape measure is commonly used to measure the circumference of the head.
Usually a tape measure will do.
You can place a flexible measuring band around the head. As an alternative, you can place some other flexible object, such as a string, around the head. Then you can measure it with a meter stick.
They measure ur head in inches and find that hat that's an extra in in circumference
You can place a string around the head, and then measure the string. Or measure directly with a measuring tape, if you have one that is flexible enough (basically, a measuring tape made up of cloth or something similar).
Head circumference of 3 year old?
I would use a measuring tape because it is easier to wrap it around a baby's head.
HC on an ultrasound means Head Circumference.
The circumference of a circle measures the distance around the circle.
what is the average head circumference of a 5 year old boy
A measuring tape is flexible - a metre rule isn't !