diff --git a/decitobinary.c b/decitobinary.c
new file mode 100644
index 0000000..ee90c2b
--- /dev/null
+++ b/decitobinary.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <math.h>
+
+long decimalToBinary(int decimalnum)
+{
+    long binarynum = 0;
+    int rem, temp = 1;
+
+    while (decimalnum!=0)
+    {
+        rem = decimalnum%2;
+        decimalnum = decimalnum / 2;
+        binarynum = binarynum + rem*temp;
+        temp = temp * 10;
+    }
+    return binarynum;
+}
+
+int main()
+{
+    int decimalnum;
+    printf("Enter a Decimal Number: ");
+    scanf("%d", &decimalnum);
+    printf("Equivalent Binary Number is: %ld", decimalToBinary(decimalnum));
+    return 0;
+}