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How long is 1cm in mathematics?
1cm is equivalent to the width of adult thumb nail cover. 1cm is the scale standard of ruler, and the length of each cell is1mm.

A centimeter is a unit of length measurement, equal to one hundredth of a meter. The unit of length is abbreviated as cm,1cm =1100m. 1cm (cm) =10 mm (mm) = =0. 1dm (decimeter) = =0.0 1m (meter).

Conversion of English units:

(1) mile: 1 mile = 1760 yard = 5280 feet = 1.609344 km;

(2) yard (yd): 1 yard = 3 feet = 0.9144m;

(3) fath (f, fa): 1 fath = 2 yards =1.8288m;

(4) Furong: 1 wave = 220 yards = 20 1. 17 meters;

(5) feet (feet, ft, plural feet): 1 foot = 12 inch = 30.48 cm.