You would need to use a yard stick (36") to measure one and half feet (18") on any kind of a ruler. Usually what we call rulers are 12" (a foot) long.
6 inches is half of a foot. A ruler is 1 foot so 6 inches is half of a ruler
The old Imperial ruler was one foot long. To enable pupils to carry one in their "pencil box", a version that was half as long was introduced. 1 foot = 30.48 cm so rulers are graduated to 30 cm or half that length (= 15 cm).
a ruler
A five dollar "foot long sub" and a ruler
The foot ruler term came about from the measure used on a ruler which is exactly twelve inches long. A foot is a standard measure therefore came the foot ruler to represent one unit of measurement.
A half of one foot is six inches long.
a foot
The foot ruler term came about from the measure used on a ruler which is exactly twelve inches long. A foot is a standard measure therefore came the foot ruler to represent one unit of measurement.
A metric ruler is 30 cm in length. This type of ruler is commonly called a metric foot ruler because it is similar in length to a one foot ruler.
One foot,or 12 inches.
1 foot in length.
It is a rule that is 12 inches long