1 centimetre: how many millimetres, metres, kilometres?

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A centimetre is a unit of length derived from a metre: one of the basic units in SI (metric) system. Also, it was one of three basic units of CGS (centimetre-gram-second), the obsolete variant of the metric system.

1 centimetre = 10 millimetres = 0.01 metre = 0.00001 kilometres

ca. 2.54 centimetres = 1 inch

As it was mentioned above, a centimetre is a derivative of a metre. The prefix centi- is one of the metric prefixes (unit prefixes which modify the value of the basic unit), which means ‘divided by 100’. And so, a centimetre is 0.01 metre.

Below you will find a list of metric prefixes for other units derived from a metre:

MULTIPLES
SUBMULTIPLES
Value
Name
Value
Name
10m
decametre
10-1 m
decimetre
10m
hectometre
10-2 m
centimetre
10m
kilometre
10-3 m
millimetre
10m
megametre
10-6 m
micrometre
10m
gigametre
10-9 m
nanometre
1012 m
terametre
10-12 m
picometre
1015 m
petametre
10-15 m
femtometre
1018 m
exametre
10-18 m
attometre
1021 m
zettametre
10-21 m
zeptometre
1024 m
yottametre
10-24 m
yocometre


Did you know?

Centimetres are used for measuring rainfall. Meteorologists use a cylindrical instrument called a rain gauge to catch rain water and, after some time, they measure the height of the accumulated water. The reading of the results is typically done in centimetres.

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