Convert.ToSingle (UInt64) converts 64-bit unsigned integer to single-precision floating-point number.
Class Sample Public Shared Sub Main() Dim numbers() As ULong = { UInt64.MinValue, 121, 12345, UInt64.MaxValue } Dim result As Single For Each number As ULong In numbers result = Convert.ToSingle(number) Console.WriteLine("Converted the {0} value '{1}' to the {2} value {3}.", _ number.GetType().Name, number, _ result.GetType().Name, result) Next End Sub End Class