In a standard 30cm ruler there are 300mm (discluding the bits at the end of the rulers which are unmarked).
22.23 millimeters.
A metric ruler
Exactly one millimetre.
5 millimeters is 1/10"
4.4 millimeters = 4.4 millimeters.
100
A ruler is usually divided by: inches, centimeters, and millimeters.
If the ruler only has inches and millimeters, just use the millimeters side. Remember, there are 10 millimeters in 1 centimeter.
by a ruler
A metric ruler is use to measure centimeter and millimeters.1 centimeter (cm) = 10 millimeters (mm) .
a ruler measures 15 cm .1 cm =10 mm .THis means , 1 standard ruler measures 150 mm.
The millimeters on a ruler are the tiny lines in between each centimeter
22.23 millimeters.
An ordinary ruler.
A metric ruler
A metric ruler is the most common device used to measure millimeters.
A ruler typically measures length in inches or centimeters. If a ruler is marked in inches, 0.2 inches would be represented by a distance of about 5 millimeters (mm) on the ruler, as there are 25.4 millimeters in an inch. If the ruler is marked in centimeters, 0.2 centimeters would be represented by a distance of about 2 millimeters on the ruler. It's important to note that not all rulers will have markings for every increment, and the accuracy of the ruler may also affect the exact measurement.