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How many millimeters is 1 cm?
1cm (cm) = 10mm (mm). The reference of 1 cm is the thickness of a book (except dictionaries), and the reference of 1 mm is the tip of a pencil. 1 cm = 10 mm, that is to say, 1 the thickness of this book is equivalent to 10 pens put together.

The unit of length refers to the basic unit for measuring spatial distance, which is formulated by human beings to standardize the length. Its international unit is "meter" (symbol "m"), and commonly used units are millimeter (mm), centimeter (cm), decimeter (dm), kilometer (km), meter (m), micron (micron) and nanometer (nm). Length units play an important role in various fields.

Extended data

Length conversion:

1 km (km)=0.62 1 mile (m)=3.28 1 foot (ft)= 1.094 yards (yd).

1 cm) =0.394 inch (inch) 1 inch (inch) =2.54 cm.

1 nautical mile = 1 .852km1fathom (FM) =1.829m.

1 yard =3 feet 1 rod (radian) = 16.5 feet

1 mile = 1.609 km 1 foot = 12 inch

1 mile) = 5280ft 1 nautical mile = 1. 15 16 mile.

Refer to Baidu Encyclopedia -cm