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Ruler sizes can vary from 15 to 60 centimeters. Most common rulers are 32cm long, with measures from 0 to 30cm. (30cm ruler, 1 foot). Some fold out rulers can be 120cm, although are rare. Some 30cm rulers can be folded in half to create a doule-thickness 15cm long ruler, but folded out for a 30cm.

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13y ago
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9y ago

It depends on the rule:

A 6" or 15 cm rule will be marked up to 150 mm

A 12", 1 ft or 30 cm rule will be marked up to 300 mm

I have an 18" or 46 cm rule which is marked up to 460 mm.

At my college there are 1m rules which are marked up to 1,000 mm

Tape measures can be obtained that are even longer:

I have a 10 m tape measure marked up to 10,000 mm, and

a 20 m tape but that is only marked at every 2 mm up to 20,000 mm.

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8y ago

The answer to your question would depend on the size of the ruler. For example, on a metric ruler, it measures by centimeters. Between the centimeter marks are the smaller "ticks" between each one. There are 10 millimeters in a centimeter, and there are 100 centimeters in a meter. This would mean that there are 1,000 millimeters in a meter.

Thanks for the question!

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11y ago

The small lines are the mm and the big lines are the cm.

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6y ago

It is three graduation marks from the start on the millimetre scale.

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Q: How many millimeters does the metric ruler have?
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Related questions

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

A metric ruler


What is the difference between English and metric ruler?

An english ruler uses inches and feet, and a metric ruler uses centimeters, millimeters, decimeters and meters.


What is 1 mm on a ruler?

A metric ruler is use to measure centimeter and millimeters.1 centimeter (cm) = 10 millimeters (mm) .


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!


When do you use the metric ruler?

metric ruler is used for measuring the length of the objects in mm and cm. hence ,1cm=10 mm.In metric ruler =15 cm.


How would you measure the length of a textbook in the metric unit?

You would use a ruler and measure in millimeters or centimeters.


What is the smallest division on a metric ruler?

what are the smallest units on a metric ruler?


What measuring instrument measures length?

The anemometer is used to measure the wind. The word anemometer comes from the Greek word "anemos" which means wind.


How many millimeters are in a decimeter for a ruler?

100


Can you use a metric ruler to measure length?

It measures length and distance.It shows the answer in meters, centimeters, or millimeters.


How many inches on a metric ruler?

None. A metric ruler would not show inches, as these are not a metric measurements. It would show millimetres and centimetres.