21.8 centimeters is equal to 8.58267717 inches.
For comparison, here are some objects that are roughly the same size as 21.8 centimeters:
– The length of an average smartphone is about 14-16 centimeters, so 21.8 centimeters is slightly longer.
– A US dollar bill is about 15.6 centimeters long, so 21.8 centimeters is just slightly longer.
– The diameter of a standard frisbee is about 27.6 centimeters, so 21.8 centimeters is a little less than half the size.
– The average length of a pencil is about 19 centimeters, so 21.8 centimeters is slightly longer.