Facing some errors

GarimaHansa/UnitConversion/Exercise2.c

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+#include <stdio.h>                  
+                                        // Why is it that my function is taking 2 as 
+float kmtomile(float val)
+{
+    return (val * 0.62137);
+}
+
+float intom(float val)
+{
+    return ( val / 63360) ;                     
+}
+
+float cmtoin(float val)
+{
+    return (val / 2.54);
+}
+
+float intoft(float val)
+{
+    return val * 0.0833;
+}
+
+float lbtokg(float val)
+{
+    return (val / 2.2046);
+}
+int main()
+{
+    int num;
+    printf("Choose the conversion you want to do from the list below\n");
+    printf("1. Kms to Miles\n");
+    printf("2. Inches to Meters\n");
+    printf("3. Cms to Inches\n");
+    printf("4. Inches to Foot\n");
+    printf("5. Pound to Kgs\n");
+    scanf("%d", &num);
+    if (num == 1)
+    {
+        int a;
+        printf("Enter your value(in kms):\n");
+        scanf("%f", &a);
+        printf("%.2fkm in miles is %.2f", a, kmtomile(a));
+    }
+    else if (num == 2)
+    {
+        int a;
+        printf("Enter your value(in ins):\n");
+        scanf("%f", &a);
+        printf("%.2fin in meters is %.2f", a, intom(a));
+    }
+    else if (num == 3)
+    {
+        int a;
+        printf("Enter your value(in cms):\n");
+        scanf("%f", &a);
+        printf("%.2fcm in inches is %.2f", a, cmtoin(a));
+    }
+    else if (num == 4)
+    {
+        int a;
+        printf("Enter your value(in inches):\n");
+        scanf("%f", &a);
+        printf("%.2fin in feet is %.2f", a, intoft(a));
+    }
+    else if (num == 5)
+    {
+        int a;
+        printf("Enter your value(in lbs):\n");
+        scanf("%f", &a);
+        printf("%.2flbs in kgs is %.2f", a, lbtokg(a));
+    }
+    return 0;
+}

GarimaHansa/UnitConversion/Question.txt

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+I tried to make a Unit conversion program in C. Since, I am a beginner I only included 5 conversions.
+
+
+PROBLEM FACING:
+The output I am getting after running the program is not the desired output. It is having a lot of places after the decimal poiny. I even tried using %.2f to try and round it off but it is not working. 
+Please run it and tell me where am I wrong.