diff --git a/2d_to_1d b/2d_to_1d
new file mode 100644
index 0000000..805b4cd
--- /dev/null
+++ b/2d_to_1d
@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+ 
+namespace Program
+{
+    class twodmatrix
+    {
+        int m, n;
+        int[,] a;
+        int[] b;
+        twodmatrix(int x, int y)
+        {
+            m = x;
+            n = y;
+            a = new int[m, n];
+            b = new int[m * n];
+        }
+        public void readmatrix()
+        {
+            for (int i = 0; i < m; i++)
+            {
+                for (int j = 0; j < n; j++)
+                {
+                    Console.WriteLine("a[{0},{1}]=", i, j);
+                    a[i, j] = Convert.ToInt32(Console.ReadLine());
+                }
+            }
+        }
+        public void printd()
+        {
+            for (int i = 0; i < m; i++)
+            {
+                for (int j = 0; j < n; j++)
+                {
+                    Console.Write("{0}\t", a[i, j]);
+ 
+                }
+                Console.Write("\n");
+            }
+        }
+        public void convert()
+        {
+            int k = 0;
+            for (int i = 0; i < m; i++)
+            {
+                for (int j = 0; j < n; j++)
+                {
+                    b[k++] = a[i, j];
+                }
+            }
+        }
+        public void printoned()
+        {
+            for (int i = 0; i < m * n; i++)
+            {
+                Console.WriteLine("{0}\t", b[i]);
+            }
+        }
+ 
+ 
+        public static void Main(string[] args)
+        {
+            twodmatrix obj = new twodmatrix(2,3);
+            Console.WriteLine("Enter the Elements : ");
+            obj.readmatrix();
+            Console.WriteLine("\t\t Given 2-D Array(Matrix) is : ");
+            obj.printd();
+            obj.convert();
+            Console.WriteLine("\t\t Converted 1-D Array is : ");
+            obj.printoned();
+            Console.ReadLine();
+        }
+    }
+}