diff --git a/CHANGELOG.md b/CHANGELOG.md
index d52ce52..a8773ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 
 ## [1.9.14] - unreleased
 ### Added
+- GHORG_NO_DIR_SIZE flag to turn off directory size output which is now enabled by default
 ### Changed
 ### Deprecated
 ### Removed
diff --git a/cmd/clone.go b/cmd/clone.go
index e595512..b2def4b 100644
--- a/cmd/clone.go
+++ b/cmd/clone.go
@@ -209,6 +209,10 @@ func cloneFunc(cmd *cobra.Command, argz []string) {
 		os.Setenv("GHORG_NO_TOKEN", "true")
 	}
 
+	if cmd.Flags().Changed("no-dir-size") {
+		os.Setenv("GHORG_NO_DIR_SIZE", "true")
+	}
+
 	if cmd.Flags().Changed("preserve-dir") {
 		os.Setenv("GHORG_PRESERVE_DIRECTORY_STRUCTURE", "true")
 	}
@@ -916,7 +920,11 @@ func CloneAllRepos(git git.Gitter, cloneTargets []scm.Repo) {
 	}
 
 	if os.Getenv("GHORG_QUIET") != "true" {
-		colorlog.PrintSuccess(fmt.Sprintf("\nFinished! %s", outputDirAbsolutePath))
+		if os.Getenv("GHORG_NO_DIR_SIZE") == "false" {
+			printFinishedWithDirSize()
+		} else {
+			colorlog.PrintSuccess(fmt.Sprintf("\nFinished! %s", outputDirAbsolutePath))
+		}
 	}
 
 	if os.Getenv("GHORG_EXIT_CODE_ON_CLONE_INFOS") != "0" && len(cloneInfos) > 0 {
@@ -941,6 +949,41 @@ func CloneAllRepos(git git.Gitter, cloneTargets []scm.Repo) {
 
 }
 
+func printFinishedWithDirSize() {
+	dirSizeMB, err := calculateDirSizeInMb(outputDirAbsolutePath)
+	if err != nil {
+		if os.Getenv("GHORG_DEBUG") == "true" {
+			colorlog.PrintError(fmt.Sprintf("Error calculating directory size: %v", err))
+		}
+		colorlog.PrintSuccess(fmt.Sprintf("\nFinished! %s", outputDirAbsolutePath))
+	} else {
+		if dirSizeMB > 1000 {
+			dirSizeGB := dirSizeMB / 1000
+			colorlog.PrintSuccess(fmt.Sprintf("\nFinished! %s (Size: %.2f GB)", outputDirAbsolutePath, dirSizeGB))
+		} else {
+			colorlog.PrintSuccess(fmt.Sprintf("\nFinished! %s (Size: %.2f MB)", outputDirAbsolutePath, dirSizeMB))
+		}
+	}
+}
+
+func calculateDirSizeInMb(path string) (float64, error) {
+	var size int64
+	err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			size += info.Size()
+		}
+		return nil
+	})
+	if err != nil {
+		return 0, err
+	}
+	const bytesInMegabyte = 1000 * 1000
+	return float64(size) / bytesInMegabyte, nil // Return size in Megabyte
+}
+
 func filterByTargetReposPath(cloneTargets []scm.Repo) []scm.Repo {
 
 	_, err := os.Stat(os.Getenv("GHORG_TARGET_REPOS_PATH"))
diff --git a/cmd/root.go b/cmd/root.go
index e08ae55..c60bd0d 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -66,6 +66,7 @@ var (
 	ghorgReCloneEnvConfigOnly    bool
 	noToken                      bool
 	quietMode                    bool
+	noDirSize                    bool
 	args                         []string
 	cloneErrors                  []string
 	cloneInfos                   []string
@@ -145,6 +146,8 @@ func getOrSetDefaults(envVar string) {
 			os.Setenv(envVar, "false")
 		case "GHORG_NO_TOKEN":
 			os.Setenv(envVar, "false")
+		case "GHORG_NO_DIR_SIZE":
+			os.Setenv(envVar, "false")
 		case "GHORG_RECLONE_VERBOSE":
 			os.Setenv(envVar, "false")
 		case "GHORG_RECLONE_ENV_CONFIG_ONLY":
@@ -228,6 +231,7 @@ func InitConfig() {
 	getOrSetDefaults("GHORG_SKIP_FORKS")
 	getOrSetDefaults("GHORG_NO_CLEAN")
 	getOrSetDefaults("GHORG_NO_TOKEN")
+	getOrSetDefaults("GHORG_NO_DIR_SIZE")
 	getOrSetDefaults("GHORG_FETCH_ALL")
 	getOrSetDefaults("GHORG_PRUNE")
 	getOrSetDefaults("GHORG_PRUNE_NO_CONFIRM")
@@ -312,6 +316,7 @@ func init() {
 	cloneCmd.Flags().BoolVar(&cloneSnippets, "clone-snippets", false, "GHORG_CLONE_SNIPPETS - Additionally clone all snippets, gitlab only")
 	cloneCmd.Flags().BoolVar(&skipForks, "skip-forks", false, "GHORG_SKIP_FORKS - Skips repo if its a fork, github/gitlab/gitea only")
 	cloneCmd.Flags().BoolVar(&noToken, "no-token", false, "GHORG_NO_TOKEN - Allows you to run ghorg with no token (GHORG_<SCM>_TOKEN), SCM server needs to specify no auth required for api calls")
+	cloneCmd.Flags().BoolVar(&noDirSize, "no-dir-size", false, "GHORG_NO_DIR_SIZE - Skips the calculation of the output directory size at the end of a clone operation. This can save time, especially when cloning a large number of repositories.")
 	cloneCmd.Flags().BoolVar(&preserveDir, "preserve-dir", false, "GHORG_PRESERVE_DIRECTORY_STRUCTURE - Clones repos in a directory structure that matches gitlab namespaces eg company/unit/subunit/app would clone into ghorg/unit/subunit/app, gitlab only")
 	cloneCmd.Flags().BoolVar(&backup, "backup", false, "GHORG_BACKUP - Backup mode, clone as mirror, no working copy (ignores branch parameter)")
 	cloneCmd.Flags().BoolVar(&quietMode, "quiet", false, "GHORG_QUIET - Emit critical output only")
diff --git a/sample-conf.yaml b/sample-conf.yaml
index 578e099..0beb4f3 100644
--- a/sample-conf.yaml
+++ b/sample-conf.yaml
@@ -151,6 +151,11 @@ GHORG_EXIT_CODE_ON_CLONE_ISSUES: 1
 # flag (--no-token)
 GHORG_NO_TOKEN: false
 
+# Skips the calculation of the output directory size at the end of a clone operation.
+# This can save time, especially when cloning a large number of repositories.
+# flag (--no-dir-size)
+GHORG_NO_DIR_SIZE: false
+
 # Specifies the location of your ghorg conf.yaml, allowing you to have many configuration files, or none at all
 # default: ghorg looks in $HOME/.config/ghorg/conf.yaml, if not set in that location nor as a commandline flag, ghorg will use all default values
 # NOTE: this cannot be set in the configuration file. Its supported through CLI flag and ENV var only.