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The centimeter would probably be the most convenient in everyday use.

You could use any of them but you end up with very big or very little numbers which is not that convenient. Who want to know their 12cm pencil is 0.12m long, 0.000,12km long or 120,000um (microns) long.......

In scientific or engineering use the centimeter is a little frowned on because it is not an "official" part of the SI system of unit prefixes. If you are mixing in these circles you might be better using milimeters (but I mix in these circles and have never been asked to measure my pencil :-)

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Units don't measure anything. You only use them after you've made the

measurement, to describe the results.

Once you've measured a common ordinary pencil, you could just as well

use inches, centimeters, or millimeters to describe its length.

Centimeters/inches

The most appropriate metric unit for the purpose of measuring the length of a pencil would be centimetres.

Inches or centimeters. It depends where you are from.

centimeters

dick

Q: What unit of measurement would you use to describe the length of your pencil?

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a ruler

The answer will depend on whether you want the mass of a pencil, its weight, its length, width, volume. You may want to measure its colour!

The centimetre.

Centimeters

I would use a ruler. After I had completed the measurement, I could describe my findings in any unit of length, but inches or centimeters would most likely produce the most convenient number.

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Centimetres, millimetres or inches would be most appropriate for measuring the length of a ruler.

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a ruler!

The answer will depend on whether you want the mass of a pencil, its weight, its length, width, volume. You may want to measure its colour!

A pencil sharpner is a device used to sharp or peel off the worn surface of the pencil.