Public Class Form1 Dim x, y As Double Private Sub RadioButton4_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) End Sub Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged y = Val(TextBox1.Text) End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If RadioButton1.Checked And ComboBox1.SelectedIndex = 0 = True Then x = y / 2.54 ElseIf RadioButton2.Checked And ComboBox1.SelectedIndex = 0 = True Then x = y / 30.48 ElseIf RadioButton3.Checked And ComboBox1.SelectedIndex = 0 = True Then x = y / 91.44 ElseIf RadioButton4.Checked And ComboBox1.SelectedIndex = 0 = True Then x = y / 160934 ElseIf RadioButton1.Checked And ComboBox1.SelectedIndex = 1 = True Then x = y / 1 ElseIf RadioButton2.Checked And ComboBox1.SelectedIndex = 1 = True Then x = y / 12 ElseIf RadioButton3.Checked And ComboBox1.SelectedIndex = 1 = True Then x = y / 36 ElseIf RadioButton4.Checked And ComboBox1.SelectedIndex = 1 = True Then x = y / 63360 End If Label2.Text = x End Sub Private Sub RadioButton3_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton3.CheckedChanged End Sub Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click End Sub Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged End Sub Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged End Sub Private Sub Label2_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click End Sub End Class