diff --git a/Hacktoberfest2022/Binary_to_decimal.java b/Hacktoberfest2022/Binary_to_decimal.java
new file mode 100644
index 0000000..54edf7e
--- /dev/null
+++ b/Hacktoberfest2022/Binary_to_decimal.java
@@ -0,0 +1,18 @@
+public class Binary_to_decimal {
+    public static void main(String[] args) {
+        long n = 101;
+        System.out.println(convert(n));
+    }
+    public static int convert(long n){
+        int decimal = 0, i =0;
+
+        while (n != 0) {
+            long rem = n % 10;
+            decimal += rem * Math.pow(2, i);
+            n = n / 10;
+            i++;
+        }
+        return decimal;
+
+    }
+}