diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ViewPagerActivity.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ViewPagerActivity.kt
index 72b23be1e..25e0140b6 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ViewPagerActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ViewPagerActivity.kt
@@ -1104,7 +1104,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     }
 
     private fun askConfirmDelete() {
-        val filename = "\"${getCurrentPath().getFilenameFromPath()}\""
+        val path = getCurrentPath()
+        val fileDirItem = FileDirItem(path, path.getFilenameFromPath(), getIsPathDirectory(path))
+        val size = fileDirItem.getProperSize(this, countHidden = true).formatSize()
+        val filename = "\"${path.getFilenameFromPath()}\""
+        val filenameAndSize = "$filename ($size)"
 
         val baseString = if (config.useRecycleBin && !getCurrentMedium()!!.getIsInRecycleBin()) {
             R.string.move_to_recycle_bin_confirmation
@@ -1112,7 +1116,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
             R.string.deletion_confirmation
         }
 
-        val message = String.format(resources.getString(baseString), filename)
+        val message = String.format(resources.getString(baseString), filenameAndSize)
         DeleteWithRememberDialog(this, message) {
             config.tempSkipDeleteConfirmation = it
             deleteConfirmed()
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt
index bc6ad8279..a12a25179 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt
@@ -593,11 +593,21 @@ class DirectoryAdapter(
                     return
                 }
 
-                val items = if (itemsCnt == 1) {
+                val itemsAndSize = if (itemsCnt == 1) {
+                    val path = getSelectedPaths().first()
+                    val fileDirItem = FileDirItem(path, path.getFilenameFromPath(), activity.getIsPathDirectory(path))
+                    val size = fileDirItem.getProperSize(activity, countHidden = true).formatSize()
                     val folder = getSelectedPaths().first().getFilenameFromPath()
-                    "\"$folder\""
+                    "\"$folder\" ($size)"
                 } else {
-                    resources.getQuantityString(R.plurals.delete_items, itemsCnt, itemsCnt)
+                    val paths = getSelectedPaths()
+                    val fileDirItems = ArrayList<FileDirItem>(paths.size)
+                    paths.forEach {
+                        val fileDirItem = FileDirItem(it, it.getFilenameFromPath(), activity.getIsPathDirectory(it))
+                        fileDirItems.add(fileDirItem)
+                    }
+                    val size = fileDirItems.sumByLong { it.getProperSize(activity, countHidden = true) }.formatSize()
+                    "${resources.getQuantityString(R.plurals.delete_items, itemsCnt, itemsCnt)} ($size)"
                 }
 
                 val fileDirItem = getFirstSelectedItem() ?: return
@@ -607,7 +617,7 @@ class DirectoryAdapter(
                     R.string.move_to_recycle_bin_confirmation
                 }
 
-                val question = String.format(resources.getString(baseString), items)
+                val question = String.format(resources.getString(baseString), itemsAndSize)
                 val warning = resources.getQuantityString(R.plurals.delete_warning, itemsCnt, itemsCnt)
                 ConfirmDeleteFolderDialog(activity, question, warning) {
                     deleteFolders()
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/MediaAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/MediaAdapter.kt
index 2472fbe9f..cbe59f5cc 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/MediaAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/MediaAdapter.kt
@@ -462,15 +462,24 @@ class MediaAdapter(
     private fun askConfirmDelete() {
         val itemsCnt = selectedKeys.size
         val firstPath = getSelectedPaths().first()
-        val items = if (itemsCnt == 1) {
-            "\"${firstPath.getFilenameFromPath()}\""
+        val fileDirItem = FileDirItem(firstPath, firstPath.getFilenameFromPath(), activity.getIsPathDirectory(firstPath))
+        val size = fileDirItem.getProperSize(activity, countHidden = true).formatSize()
+        val itemsAndSize = if (itemsCnt == 1) {
+            "\"${firstPath.getFilenameFromPath()}\" ($size)"
         } else {
-            resources.getQuantityString(R.plurals.delete_items, itemsCnt, itemsCnt)
+            val paths = getSelectedPaths()
+            val fileDirItems = java.util.ArrayList<FileDirItem>(paths.size)
+            paths.forEach {
+                val fileDirItem = FileDirItem(it, it.getFilenameFromPath(), activity.getIsPathDirectory(it))
+                fileDirItems.add(fileDirItem)
+            }
+            val size = fileDirItems.sumByLong { it.getProperSize(activity, countHidden = true) }.formatSize()
+            "${resources.getQuantityString(R.plurals.delete_items, itemsCnt, itemsCnt)} ($size)"
         }
 
         val isRecycleBin = firstPath.startsWith(activity.recycleBinPath)
         val baseString = if (config.useRecycleBin && !isRecycleBin) R.string.move_to_recycle_bin_confirmation else R.string.deletion_confirmation
-        val question = String.format(resources.getString(baseString), items)
+        val question = String.format(resources.getString(baseString), itemsAndSize)
         DeleteWithRememberDialog(activity, question) {
             config.tempSkipDeleteConfirmation = it
             deleteFiles()