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Micrometre facts for kids

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a 6 μm diameter carbon filament, compared to 50 μm diameter human hair

A micrometre (the American spelling is micrometer; symbol is µm) is a unit of length in the SI measurement system. It can also be called a micron. It is one millionth of a metre.

A micrometre is often used as a measurement for cells like bacteria, because bacteria are very small too.

A micron is very small.

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Micrometre Facts for Kids. Kiddle Encyclopedia.