Convert.ToInt32 (Decimal) converts decimal number to 32-bit signed integer.
Module Example Public Sub Main() Dim values() As Decimal = { Decimal.MinValue, -1034.23d, -12d, 0d, 147d, _ 199.55d, 9214.16d, Decimal.MaxValue } Dim result As Integer For Each value As Decimal In values Try result = Convert.ToInt32(value) Console.WriteLine(result) Catch e As OverflowException Console.WriteLine("OverflowException") End Try Next End Sub End Module