diff --git a/cpp/decimal_to_binary.cpp b/cpp/decimal_to_binary.cpp
new file mode 100644
index 000000000..ca1f50662
--- /dev/null
+++ b/cpp/decimal_to_binary.cpp
@@ -0,0 +1,30 @@
+#include<iostream>
+using namespace std;
+
+int convertToBinary(int n){
+
+	int ans = 0;
+	int p = 1;
+
+	while(n>0){
+		int last_bit = (n&1);
+		ans += p*last_bit;
+
+		p = p*10;
+		n = n>>1;
+	}
+	return ans;
+
+}
+
+
+int main(){
+
+	int n;
+	cin>>n;
+
+	cout << convertToBinary(n) <<endl;
+
+
+	return 0;
+}
\ No newline at end of file