public static void Main()
Console.WriteLine("{0} : {1}",4234.50, NumberToWords(4234.50));
public static string NumberToWords(double number)
var sections = number.ToString("F2").Split('.');
j return String.Format("{0} and {1}", NumberToWords(Convert.ToInt32(sections[0])), NumberToWords(Convert.ToInt32(sections[1])));
public static string NumberToWords(int number)
return "minus " + NumberToWords(Math.Abs(number));
if ((number / 1000000) > 0)
words += NumberToWords(number / 1000000) + " million ";
words += NumberToWords(number / 1000) + " thousand ";
words += NumberToWords(number / 100) + " hundred ";
var unitsMap = new[] { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };
var tensMap = new[] { "zero", "ten", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" };
words += unitsMap[number];
words += tensMap[number / 10];
words += "-" + unitsMap[number % 10];