#include<stdio.h>
int main()
{
float km, m;
printf("Enter distance in kilometer: ");
scanf("%f", &km);
m = km * 1000;
printf("%0.3f Kilometer = %0.3f Meter", km, m);
return 0;
}
Enter distance in kilometer: 5.436 5.436 Kilometer = 5436.000 Meter