Length measurement

#include<stdio.h>
#include<math.h>
int main(void)

{
    float cm,meter,km;
    printf("Enter length in centimeter = ");
    scanf("%f",&cm);
    meter=cm/100; //1 meter=100cm
    km=cm/10000; //1km=10000cm
    printf("Length in meter = %.2f m\n",meter);
    printf("Length in kilometer = %.2f km\n",km);


}