13". There's 1/2" of plastic on either end.
Twice the size of a regular ruler
The average length of a ruler is 12 inches.
A cow's tongue is about the size of a ruler (12 inches or 30 cm) or a foot long.12 inches or 30 centimetres roughly the size of a ruler.
No one answer. Depends on the size of the ruler, and what it is made of. Sorry.
No one answer. Depends on the size of the ruler, and what it is made of. Sorry.
by using a ruler to answer your measurement.
three size
12 inches, which is 1 foot which is the size of a ruler.
measure it with a ruler
The size of 12inches is the size of a ruler. Or you can think of it as the size of a very large foot.
That will depend on the size of the ruler and what it is made out of. A plastic or wooden ruler will be very light, maybe an ounce. A steel ruler will weigh much more.