diff --git a/CutToLength/Form1.Designer.cs b/CutToLength/Form1.Designer.cs
index 97324f7..9ad8e3d 100644
--- a/CutToLength/Form1.Designer.cs
+++ b/CutToLength/Form1.Designer.cs
@@ -29,9 +29,9 @@
         private void InitializeComponent()
         {
             this.components = new System.ComponentModel.Container();
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle3 = new System.Windows.Forms.DataGridViewCellStyle();
             System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
             System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle2 = new System.Windows.Forms.DataGridViewCellStyle();
-            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle3 = new System.Windows.Forms.DataGridViewCellStyle();
             this.dataGridView1 = new System.Windows.Forms.DataGridView();
             this.label1 = new System.Windows.Forms.Label();
             this.label2 = new System.Windows.Forms.Label();
@@ -43,11 +43,11 @@
             this.toolStripButton2 = new System.Windows.Forms.ToolStripButton();
             this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
             this.toolStripButton3 = new System.Windows.Forms.ToolStripButton();
-            this.itemBindingSource = new System.Windows.Forms.BindingSource(this.components);
+            this.TotalLength = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.nameDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.lengthDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.quantityDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
-            this.totalLengthDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.itemBindingSource = new System.Windows.Forms.BindingSource(this.components);
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).BeginInit();
@@ -70,7 +70,7 @@
             this.nameDataGridViewTextBoxColumn,
             this.lengthDataGridViewTextBoxColumn,
             this.quantityDataGridViewTextBoxColumn,
-            this.totalLengthDataGridViewTextBoxColumn});
+            this.TotalLength});
             this.dataGridView1.DataSource = this.itemBindingSource;
             this.dataGridView1.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(224)))), ((int)(((byte)(224)))), ((int)(((byte)(224)))));
             this.dataGridView1.Location = new System.Drawing.Point(12, 122);
@@ -204,9 +204,16 @@
             this.toolStripButton3.Text = "Run";
             this.toolStripButton3.Click += new System.EventHandler(this.toolStripButton3_Click);
             // 
-            // itemBindingSource
+            // TotalLength
             // 
-            this.itemBindingSource.DataSource = typeof(CutToLength.UIItem);
+            this.TotalLength.DataPropertyName = "TotalLength";
+            dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleRight;
+            dataGridViewCellStyle3.BackColor = System.Drawing.SystemColors.Info;
+            dataGridViewCellStyle3.Format = "N3";
+            this.TotalLength.DefaultCellStyle = dataGridViewCellStyle3;
+            this.TotalLength.HeaderText = "Total Length";
+            this.TotalLength.Name = "TotalLength";
+            this.TotalLength.ReadOnly = true;
             // 
             // nameDataGridViewTextBoxColumn
             // 
@@ -233,17 +240,9 @@
             this.quantityDataGridViewTextBoxColumn.Name = "quantityDataGridViewTextBoxColumn";
             this.quantityDataGridViewTextBoxColumn.Width = 50;
             // 
-            // totalLengthDataGridViewTextBoxColumn
+            // itemBindingSource
             // 
-            this.totalLengthDataGridViewTextBoxColumn.DataPropertyName = "TotalLength";
-            dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleRight;
-            dataGridViewCellStyle3.BackColor = System.Drawing.SystemColors.Info;
-            dataGridViewCellStyle3.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
-            this.totalLengthDataGridViewTextBoxColumn.DefaultCellStyle = dataGridViewCellStyle3;
-            this.totalLengthDataGridViewTextBoxColumn.HeaderText = "Total Length";
-            this.totalLengthDataGridViewTextBoxColumn.Name = "totalLengthDataGridViewTextBoxColumn";
-            this.totalLengthDataGridViewTextBoxColumn.ReadOnly = true;
-            this.totalLengthDataGridViewTextBoxColumn.Width = 120;
+            this.itemBindingSource.DataSource = typeof(CutToLength.UIItem);
             // 
             // Form1
             // 
@@ -289,7 +288,7 @@
         private System.Windows.Forms.DataGridViewTextBoxColumn nameDataGridViewTextBoxColumn;
         private System.Windows.Forms.DataGridViewTextBoxColumn lengthDataGridViewTextBoxColumn;
         private System.Windows.Forms.DataGridViewTextBoxColumn quantityDataGridViewTextBoxColumn;
-        private System.Windows.Forms.DataGridViewTextBoxColumn totalLengthDataGridViewTextBoxColumn;
+        private System.Windows.Forms.DataGridViewTextBoxColumn TotalLength;
     }
 }
 
diff --git a/CutToLength/Form1.resx b/CutToLength/Form1.resx
index 81139af..2ae7c58 100644
--- a/CutToLength/Form1.resx
+++ b/CutToLength/Form1.resx
@@ -117,6 +117,9 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="TotalLength.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
   <metadata name="itemBindingSource.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>17, 17</value>
   </metadata>
diff --git a/CutToLength/UIItem.cs b/CutToLength/UIItem.cs
index ad4e5cb..cb6e83f 100644
--- a/CutToLength/UIItem.cs
+++ b/CutToLength/UIItem.cs
@@ -1,4 +1,5 @@
 using Newtonsoft.Json;
+using System;
 
 namespace CutToLength
 {
@@ -15,7 +16,7 @@ namespace CutToLength
         [JsonIgnore]
         public double TotalLength
         {
-            get { return Length * Quantity; }
+            get { return Math.Round(Length * Quantity, 8); }
         }
 
         public int Quantity { get; set; } = 1;