Format-DiskSize

Function Format-DiskSize() {
    [cmdletbinding()]
    Param ([long]$Type)
    If ($Type -ge 1TB) {[string]::Format('{0:0.00} TB', $Type / 1TB)}
    ElseIf ($Type -ge 1GB) {[string]::Format('{0:0.00} GB', $Type / 1GB)}
    ElseIf ($Type -ge 1MB) {[string]::Format('{0:0.00} MB', $Type / 1MB)}
    ElseIf ($Type -ge 1KB) {[string]::Format('{0:0.00} KB', $Type / 1KB)}
    ElseIf ($Type -gt 0) {[string]::Format('{0:0.00} Bytes', $Type)}
    Else {''}
}