Math.Round Method (Decimal)
Updated: February 2009
Rounds a decimal value to the nearest integral value.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.Decimal
A decimal number to be rounded.
The behavior of this method follows IEEE Standard 754, section 4. This kind of rounding is sometimes called rounding to nearest, or banker's rounding. It minimizes rounding errors that result from consistently rounding a midpoint value in a single direction.
To control the type of rounding used by the method, call the Math.Round(Decimal, MidpointRounding) overload.
The following example demonstrates rounding to nearest.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.