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Editorial Team
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Editorial Team
Asked: May 23, 20262026-05-23T03:45:15+00:00 2026-05-23T03:45:15+00:00

I have a requirement to format a given number to at least 1 decimal

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I have a requirement to format a given number to at least 1 decimal place and up to 2 decimal places as in:

4      -> 4.0
4.1    -> 4.1
4.25   -> 4.25
4.3333 -> 4.33
4.5    -> 4.5
5      -> 5.0

Is there a FormatString string which will deliver this?

as in:

MyDecimal.ToString("[something here]")
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  1. Editorial Team
    Editorial Team
    2026-05-23T03:45:16+00:00Added an answer on May 23, 2026 at 3:45 am

    Yes, you can conditionally include a second decimal place with the # format placeholder.

    MyDecimal.ToString("0.0#")
    
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