Round Method (Decimal, MidpointRounding)

Math.Round Method (Decimal, MidpointRounding)


Rounds a decimal value to the nearest integer. A parameter specifies how to round the value if it is midway between two numbers.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

public static decimal Round(
	decimal d,
	MidpointRounding mode


Type: System.Decimal

A decimal number to be rounded.

Type: System.MidpointRounding

Specification for how to round d if it is midway between two other numbers.

Return Value

Type: System.Decimal

The integer nearest d. If d is halfway between two numbers, one of which is even and the other odd, then mode determines which of the two is returned.

Exception Condition

mode is not a valid value of System.MidpointRounding.


The result is outside the range of a Decimal.


For examples and comprehensive usage information about this and other overloads of the Round method, see the Round reference page.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Return to top
© 2015 Microsoft