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Format-Percent.md

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external help file Module Name online version schema
PSScriptTools-help.xml
PSScriptTools
2.0.0

Format-Percent

SYNOPSIS

Format a value as a percentage.

SYNTAX

None (Default)

Format-Percent [-Value] <Object> [-Total] <Object> [-Decimal <Int32>]
[<CommonParameters>]

String

Format-Percent [-Value] <Object> [-Total] <Object> [-Decimal <Int32>]
[-AsString] [<CommonParameters>]

DESCRIPTION

This command calculates a percentage of a value from a total, with the formula (value/total)*100. The default is to return a value to 2 decimal places but you can configure that with -Decimal. There is also an option to format the percentage as a string which will include the % symbol.

EXAMPLES

EXAMPLE 1

PS C:\> Format-Percent -value 1234.567 -total 5000 -decimal 4

24.6913

Calculate a percentage from 1234.567 out of 5000 (i.e. 1234.567/5000) to 4 decimal points.

EXAMPLE 2

PS C:\> Get-CimInstance win32_operatingsystem -computer chi-dc04 |
Select-Object PSComputername,TotalVisibleMemorySize,
@{Name="PctFreeMem";Expression={
    Format-Percent $_.FreePhysicalMemory $_.TotalVisibleMemorySize}}

PSComputerName             TotalVisibleMemorySize           PctFreeMem
--------------             ----------------------           ----------
chi-dc04                                  1738292                23.92

EXAMPLE 3

PS C:\> Get-CimInstance win32_operatingsystem -computer chi-dc04 |
Select-Object PSComputername,TotalVisibleMemorySize,
@{Name="PctFreeMem";Expression={
    Format-Percent $_.FreePhysicalMemory $_.TotalVisibleMemorySize -asString}}

PSComputerName             TotalVisibleMemorySize           PctFreeMem
--------------             ----------------------           ----------
chi-dc04                                  1738292           23.92%

PARAMETERS

-Value

The numerator value.

Type: Object
Parameter Sets: (All)
Aliases: X, Numerator

Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Total

The denominator value.

Type: Object
Parameter Sets: (All)
Aliases: Y, Denominator

Required: True
Position: 2
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Decimal

The number of decimal places to return between 0 and 15.

Type: Int32
Parameter Sets: (All)
Aliases:

Required: False
Position: Named
Default value: 2
Accept pipeline input: False
Accept wildcard characters: False

-AsString

Write the result as a string.

Type: SwitchParameter
Parameter Sets: String
Aliases:

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters (http://go.microsoft.com/fwlink/?LinkID=113216).

INPUTS

System.Object

OUTPUTS

System.Double

System.String

NOTES

Learn more about PowerShell: http://jdhitsolutions.com/blog/essential-powershell-resources/

RELATED LINKS

Format-Value

Format-String