By unit of length and distance and conversion ,we can say that
1 m =100 cm
45 cm=0.45 m
137 cms.
45 inches = 114.3 cms
45 cm
45 cm = 17.71654 inches.
450 mm = 45 cm
208 cms = 81.9 inches
45 sq cms
76.2 cms
7.480315 inches
300 cms1 metre= 100 cms hence 3 metres is 300 cms
1 foot = ~30cm
1.50 cms