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# Converting numbers to the word equivalent.

, 12 May 2013 CPOL
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If your tutor asks you to convert numbers to words (i.e. 565 to a string "Five hundred and sixty-five") then you are not alone! Here is the simplest, most foolproof way to do it.
If your tutor asks you to convert numbers to words (i.e. 565 to a string "Five hundred and sixty-five") then you are not alone! This question gets asked here very frequently, so here is the simple, foolproof way to solve your problem. It shows the outline of how to do it, and it is then up to you to fill in the detail, comments etc. - otherwise every-bodies would look the same, and you might get caught for copying!
```public static string ConvertToWords(int number)
{
switch (number)
{
case 0:
return "Zero";
case 1:
return "One";
...
case 568:
return "Five hundred and sixty-eight";
case 569:
return "Five hundred and sixty-nine";
}
throw new ArgumentOutOfRangeException("Number greater than infinity!");
}
```

I cannot remember who originally posted this coding gem, and I can't find it with a quick search, but if you know who did post it let me know and I will provide full credit.

The original version of this software was written by Smithers-Jones[^] in C++ and is available here[^] My thanks for the inspiration and the excellent work!

I am indebted to Luc Pattyn for pointing out the error in versions before V3.0 regarding the placement of a hyphen between the tens and unit digits. He correctly pointed out here[^] that numbers should not be written as "twenty one" but as "twenty-one".

V2.0: Credit for original version added - OriginalGriff[/edit]
V3.0: Corrected the hyphenation between the tens digit and the units digit - OriginalGriff[/edit]
V4.0: Link to the message of Luc Pattyn corrected - ProgramFOX[/edit]

## License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

## About the Author

 CEO Wales
Born at an early age, he grew older. At the same time, his hair grew longer, and was tied up behind his head.
Has problems spelling the word "the".
Invented the portable cat-flap.
Currently, has not died yet. Or has he?

## Comments and Discussions

 First PrevNext
 Be serious :-) rwtrecasd14-May-13 7:11 rwtrecasd 14-May-13 7:11
 My vote of 5 TnTinMn13-May-13 17:42 TnTinMn 13-May-13 17:42
 It reminds me... BarrRobot13-May-13 15:05 BarrRobot 13-May-13 15:05
 My vote of 5! Matt T Heffron13-May-13 12:49 Matt T Heffron 13-May-13 12:49
 You gotta be kidding... You voted this 5 stars? marsman_CA13-May-13 9:46 marsman_CA 13-May-13 9:46
 Re: You gotta be kidding... You voted this 5 stars? marsman_CA13-May-13 9:49 marsman_CA 13-May-13 9:49
 Re: You gotta be kidding... You voted this 5 stars? Ravi Bhavnani13-May-13 10:10 Ravi Bhavnani 13-May-13 10:10
 Re: You gotta be kidding... You voted this 5 stars? OriginalGriff13-May-13 10:35 OriginalGriff 13-May-13 10:35
 Re: You gotta be kidding... You voted this 5 stars? OriginalGriff13-May-13 10:36 OriginalGriff 13-May-13 10:36
 An optimised answer Juan Falgueras Cano13-May-13 9:24 Juan Falgueras Cano 13-May-13 9:24
 My vote of 4 Juan Falgueras Cano13-May-13 9:22 Juan Falgueras Cano 13-May-13 9:22
 Nice, but... Ravi Bhavnani13-May-13 6:19 Ravi Bhavnani 13-May-13 6:19
 Funny! DidiKunz13-May-13 0:23 DidiKunz 13-May-13 0:23
 my vote of 5 Simon_Whale12-May-13 23:35 Simon_Whale 12-May-13 23:35
 Re: my vote of 5 OriginalGriff12-May-13 23:47 OriginalGriff 12-May-13 23:47
 My vote of 4 Marco Bertschi12-May-13 10:37 Marco Bertschi 12-May-13 10:37
 Re: My vote of 4 OriginalGriff12-May-13 22:31 OriginalGriff 12-May-13 22:31
 My vote of 1 Stephen Hardie12-May-13 9:19 Stephen Hardie 12-May-13 9:19
 Re: My vote of 1 Marco Bertschi12-May-13 10:34 Marco Bertschi 12-May-13 10:34
 My vote of 5 + There is a shorter way ProgramFOX12-May-13 7:57 ProgramFOX 12-May-13 7:57
 My vote of 5 JackDingler14-Jan-13 8:15 JackDingler 14-Jan-13 8:15
 Re: My vote of 5 Marco Bertschi12-May-13 10:35 Marco Bertschi 12-May-13 10:35
 My vote of 5 SoMad10-Jul-12 18:01 SoMad 10-Jul-12 18:01
 Re: My vote of 5 OriginalGriff10-Jul-12 22:50 OriginalGriff 10-Jul-12 22:50
 Re: My vote of 5 SoMad10-Jul-12 23:02 SoMad 10-Jul-12 23:02
 Last Visit: 31-Dec-99 19:00     Last Update: 30-Nov-15 0:21 Refresh 123 Next »

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