Calculating Size of Site Collection, Sub Sites in Programming

Simple console application program to calculating Size of Site Collection, Sub Sites in SharePoint

using System;

using System.Collections.Generic;

using System.Text;

using Microsoft.SharePoint;

using Microsoft.SharePoint.Administration;

namespace CalculatingSPSitesSize

{

    class Program

    {

        static void Main(string[] args)

        {

            long siteCollectionSize = 0; 

            string baseUrl = "http://Portal";       

           

            Console.WriteLine("Base Url: " + baseUrl + " (Change baseUrl to list sites starting with)"); 

            using (SPSite mainSite = new SPSite(baseUrl))

            { 

                foreach (SPWeb web in mainSite.AllWebs)

                { 

                    long webSize = GetSPFolderSize(web.RootFolder) + web.RecycleBin.Cast<SPRecycleBinItem>().Sum(r => r.Size);

                    if (web.Url.StartsWith(baseUrl))

                    {

                        Console.WriteLine(string.Format("({0} {1}", web.Url, FormatSize(webSize)));

                        siteCollectionSize += webSize;

                    }

                }

            } 

            Console.WriteLine("Total Size: " + FormatSize(siteCollectionSize));

            Console.ReadKey(false);

        }

        public static long GetSPFolderSize(SPFolder folder)

        {

            long folderSize = 0;

            foreach (SPFile file in folder.Files)

                folderSize += file.TotalLength

                    + file.Versions.Cast<SPFileVersion>().Sum(f => f.Size);

            folderSize += folder.SubFolders.Cast<SPFolder>().Sum(sf => GetSPFolderSize(sf));

            return folderSize;

        }

       

        public static string FormatSize(long size)

        {

            if (size > Math.Pow(1024, 3))

                return (size / Math.Pow(1024, 3)).ToString("#,#.##") + " GB";

            else if (size > Math.Pow(1024, 2))

                return (size / Math.Pow(1024, 2)).ToString("#,#.##") + " MB";

            else if (size > 1024)

                return (size / 1024).ToString("#,#.##") + " KB";

            else

                return size.ToString("#,#.##") + " Bytes";

        }

    }

}

Reference

http://www.c-sharpcorner.com/UploadFile/40e97e/calculating-size-of-site-collection-sub-sites-in-multiple-w/