18m is 1800cm
1800
18 meters is 1,800 centimeters.
Divide by 100... to get 18m
511 cm equals 511 centimetres.
observatory- speed 18m/cm
it is equivalent to 140mm
4.6 centimetres equals exactly 4.6 cm.
7.4 meters equals 740 cm.
.013 cm
320 cm.
30 cm
50 cm