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Regardless of what you happen to be measuring,

10 mm = 1 centimeter

18 mm = (18/10) = 1.8 centimeter

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Q: If measure the diameter of a quarter to be 18mmHow many centimeters is this?
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Related questions

What is the diameter of a quarter in centimeters?

The diameter of a United States 25 cent (quarter) coin is 2.426 centimetres, or 24.26 millimetres.


How many centimeters in diameter is a quarter?

Assuming you mean a quarter US dollar, it is 2.426 cm.


How large is 4 mm diameter?

The measurement of 4 mm in diameter is equal to 0. 1575 inches in diameter. It is also equal to 0. 4 centimeters in diameter.


What metric measurement would you use to measure the diameter of a quarter?

Meter.... or more likely millimeters


A quarter has a diameter of .955 inches. A nickel has a diameter of .835 Which is greater?

the quarter


Is a quarter about 5 centimeters?

That depends what it is a quarter of.


What measuring tool would you used to measure a diameter of a quarter?

You could use a simple ruler, or a micrometer for greater accuracy.


What is diameter of quarter?

The diameter of a quarter is 24.26 mm (0.955 in).


How long is a inche?

2 and a half centimeters, which is about the diameter of a US quarter coin.


What unit scientists use when measuring length?

An investigator would find that scientists use the meteras a measure of length. This standard can be applied with a prefix to denote multiples or fractions of the standard. Let's look at a couple.We'd see the term kilometer applied to mean 103 or 1,000 meters. You might measure the distance from, say, Denver, Colorado to Omaha, Nebraska using kilometers. It'd be about 870 kilometers (km).A meter divided into a hundred equal parts is made up of 100 centimeters, as a centimeter is 10-2 or 1/100th of a meter. If you wished to express the diameter of, say, a United States quarter using this system, you'd say it was approximately 2.4 centimeters (cm) in diameter. Using 1/1000th of a meter (10-3 or a millimeter) to measure that quarter, you'd say it's diameter is about 24 millimeters, or 24 mm.


What is the diameter of a quarter in kilometers?

A US quarter has a diameter equal to 0.00002426 km


Is three quarter inch water pipe actually three quarter inches in diameter?

Inside diameter, it is usually considered nominal. Anything is considered to be the size it is called, if you use fine enough measure almost anything is going to vary or be off a few thousands of an inch.