How does a metric scale ruler work?


Quick Answer

Metric scale rulers commonly use meters, centimeters and millimeters to measure distance, and each measurement is broken down using multiplications of 10. Ten millimeters equal a centimeter and 100 centimeters equal a meter, allowing for simple measurement of distance with no complex mathematical equations required.

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Full Answer

The metric system is much more common in Europe, but the measurement system is a simple one thanks to an uncomplicated graduation system. Millimeters are the smallest unit of measurement, and there are 10 millimeters in the second smallest unit, centimeters. They are followed by the largest, a full meter, and there are 100 centimeters in a meter.

Each side of a metric ruler is clearly marked, with one side depicting millimeters and one centimeters. These lined increments denote single millimeters and centimeters, with slightly longer lines denoting every five and 10 units.

Ensuring that the correct side of the ruler is facing upwards is a simple way of quickly counting out millimeters or centimeters, and thanks to the uncomplicated conversion system using multiples of 10, it is simple to convert one measurement to another.

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