There isn't really a standard for rounding, it depends on the application.
However, if you need the highest accuracy, it's actually better to use the reverse conversion:
1 inch = 25.4 mm
The international inch is defined to be equal to exactly 25.4 millimeters.
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| 12/02/2010, 12:10 PM | Rounding Millimeter to Inch Conversion |
| 12/06/2010, 3:01 PM | Re: Rounding Millimeter to Inch Conversion |