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In a standard 30cm ruler there are 300mm (discluding the bits at the end of the rulers which are unmarked).

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17y ago
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8mo ago

A standard ruler is typically 30 centimeters long, which is equal to 300 millimeters. So there are 300 millimeters in a typical ruler.

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Q: How many millimeters are in a ruler?
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Related questions

How many millimeters are in a decimeter for a ruler?

100


How many parts is an 1 inch ruler divided by?

A ruler is usually divided by: inches, centimeters, and millimeters.


What side of a ruler has centimeters if there is only inches and millimeters?

Well, honey, if you've got a ruler with inches and millimeters, then the side with centimeters would be the same as the millimeter side. See, there are 10 millimeters in a centimeter, so just count 'em out and you'll find your answer. It's not rocket science, just basic math.


How are millimeters measured?

by a ruler


How many millimeters on a standard ruler?

a ruler measures 15 cm .1 cm =10 mm .THis means , 1 standard ruler measures 150 mm.


What type of ruler is divided into centimeters and each centimeter divided into millimeters?

An ordinary ruler.


0.2 on a ruler?

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.


What do you use to measure. millimeters?

A metric ruler is the most common device used to measure millimeters.


A type of ruler that is divided into centimeters each centimeter is divided into millimeters?

A normal metric ruler!


Where is 15.25 cm on a ruler?

15.25 cm on a ruler is located at 15 centimeters and 2.5 millimeters.


How many millmeters on a ruler?

300 millimeters. However, all rulers are different, so this is just on ''standard'' rulers.


What do the numbers on the horizontal Ruler indicate?

inches, centimeters and millimeters