diff --git a/komga-webui/src/locales/en.json b/komga-webui/src/locales/en.json
index e50ba6c06..e8f6b2589 100644
--- a/komga-webui/src/locales/en.json
+++ b/komga-webui/src/locales/en.json
@@ -534,7 +534,8 @@
     "action_ignore": "Ignore",
     "matches_n": "No matches | 1 match | {count} matches",
     "title": "Duplicate pages",
-    "unknown_size": "Unknown size"
+    "unknown_size": "Unknown size",
+    "delete_to_save": "Delete to save {size}"
   },
   "duplicates": {
     "file_hash": "File hash",
diff --git a/komga-webui/src/types/komga-pagehashes.ts b/komga-webui/src/types/komga-pagehashes.ts
index d73fae87f..3c1c688b2 100644
--- a/komga-webui/src/types/komga-pagehashes.ts
+++ b/komga-webui/src/types/komga-pagehashes.ts
@@ -3,6 +3,7 @@ export interface PageHashUnknownDto {
   mediaType: string,
   sizeBytes?: number,
   size?: string,
+  totalSize?: string,
   matchCount: number,
 }
 
diff --git a/komga-webui/src/views/SettingsDuplicatePages.vue b/komga-webui/src/views/SettingsDuplicatePages.vue
index 875fdc327..c9ebd1e90 100644
--- a/komga-webui/src/views/SettingsDuplicatePages.vue
+++ b/komga-webui/src/views/SettingsDuplicatePages.vue
@@ -31,14 +31,21 @@
               <v-card-text>
                 <div>{{ element.mediaType }}</div>
                 <div>{{ element.size || $t('duplicate_pages.unknown_size') }}</div>
+
                 <v-btn
                   @click="showDialogMatches(element)"
                   outlined
                   rounded
-                  class="mt-2"
+                  class="my-4"
                 >
                   {{ $tc('duplicate_pages.matches_n', element.matchCount) }}
                 </v-btn>
+
+                <div
+                  v-if="element.totalSize"
+                  style="max-width: 100px"
+                >{{ $t('duplicate_pages.delete_to_save', {size: element.totalSize}) }}
+                </div>
               </v-card-text>
             </v-col>
           </v-row>
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
index b3defbe7c..77a9f414b 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
@@ -8,6 +8,7 @@ data class PageHashUnknownDto(
   val mediaType: String,
   val sizeBytes: Long?,
   val size: String? = sizeBytes?.let { BinaryByteUnit.format(it) },
+  val totalSize: String ? = sizeBytes?.let { BinaryByteUnit.format(it * matchCount) },
   val matchCount: Int,
 )