diff --git a/lib/db/files_db.dart b/lib/db/files_db.dart
index 0d18c0f66..03004d6fa 100644
--- a/lib/db/files_db.dart
+++ b/lib/db/files_db.dart
@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:logging/logging.dart';
+import 'package:photos/models/backup_status.dart';
 import 'package:photos/models/file_type.dart';
 import 'package:photos/models/location.dart';
 import 'package:photos/models/file.dart';
@@ -213,19 +214,21 @@ class FilesDB {
     return ids;
   }
 
-  Future<Set<String>> getUploadedLocalIDs() async {
+  Future<BackedUpFileIDs> getBackedUpIDs() async {
     final db = await instance.database;
     final results = await db.query(
       table,
-      columns: [columnLocalID],
+      columns: [columnLocalID, columnUploadedFileID],
       where:
           '$columnLocalID IS NOT NULL AND ($columnUploadedFileID IS NOT NULL AND $columnUploadedFileID IS NOT -1)',
     );
-    final ids = Set<String>();
+    final localIDs = Set<String>();
+    final uploadedIDs = Set<int>();
     for (final result in results) {
-      ids.add(result[columnLocalID]);
+      localIDs.add(result[columnLocalID]);
+      uploadedIDs.add(result[columnUploadedFileID]);
     }
-    return ids;
+    return BackedUpFileIDs(localIDs.toList(), uploadedIDs.toList());
   }
 
   Future<List<File>> getAllFiles(int startTime, int endTime,
diff --git a/lib/models/backed_up_files.dart b/lib/models/backed_up_files.dart
deleted file mode 100644
index 1b6cd698e..000000000
--- a/lib/models/backed_up_files.dart
+++ /dev/null
@@ -1,6 +0,0 @@
-class BackedUpFiles {
-  final Set<String> localIDs;
-  final int space;
-
-  BackedUpFiles(this.localIDs, this.space);
-}
diff --git a/lib/models/backup_status.dart b/lib/models/backup_status.dart
new file mode 100644
index 000000000..af2ec9331
--- /dev/null
+++ b/lib/models/backup_status.dart
@@ -0,0 +1,13 @@
+class BackupStatus {
+  final List<String> localIDs;
+  final int size;
+
+  BackupStatus(this.localIDs, this.size);
+}
+
+class BackedUpFileIDs {
+  final List<String> localIDs;
+  final List<int> uploadedIDs;
+
+  BackedUpFileIDs(this.localIDs, this.uploadedIDs);
+}
diff --git a/lib/services/local_sync_service.dart b/lib/services/local_sync_service.dart
index 0af9ed1a8..499acf4e8 100644
--- a/lib/services/local_sync_service.dart
+++ b/lib/services/local_sync_service.dart
@@ -7,7 +7,6 @@ import 'package:photos/core/event_bus.dart';
 import 'package:photos/db/files_db.dart';
 import 'package:photos/events/local_photos_updated_event.dart';
 import 'package:photos/events/sync_status_update_event.dart';
-import 'package:photos/models/backed_up_files.dart';
 import 'package:photos/models/file.dart';
 import 'package:photos/utils/file_sync_util.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -174,16 +173,6 @@ class LocalSyncService {
     return _prefs.getBool(kHasCompletedFirstImportKey) ?? false;
   }
 
-  Future<BackedUpFiles> getBackupStatus() async {
-    final localIDs = await FilesDB.instance.getUploadedLocalIDs();
-    int space = 0;
-    for (final id in localIDs) {
-      final asset = await AssetEntity.fromId(id);
-      space += (await asset.originFile).lengthSync();
-    }
-    return BackedUpFiles(localIDs, space);
-  }
-
   Future<void> _loadAndStorePhotos(
     int fromTime,
     int toTime,
diff --git a/lib/services/sync_service.dart b/lib/services/sync_service.dart
index 2374e7478..ea3470c6f 100644
--- a/lib/services/sync_service.dart
+++ b/lib/services/sync_service.dart
@@ -10,10 +10,12 @@ import 'package:photos/core/constants.dart';
 import 'package:photos/core/errors.dart';
 import 'package:photos/core/event_bus.dart';
 import 'package:photos/core/network.dart';
+import 'package:photos/db/files_db.dart';
 import 'package:photos/events/permission_granted_event.dart';
 import 'package:photos/events/subscription_purchased_event.dart';
 import 'package:photos/events/sync_status_update_event.dart';
 import 'package:photos/events/trigger_logout_event.dart';
+import 'package:photos/models/backup_status.dart';
 import 'package:photos/services/local_sync_service.dart';
 import 'package:photos/services/notification_service.dart';
 import 'package:photos/services/remote_sync_service.dart';
@@ -176,6 +178,32 @@ class SyncService {
     );
   }
 
+  Future<BackupStatus> getBackupStatus() async {
+    final ids = await FilesDB.instance.getBackedUpIDs();
+    final size = await _getFileSize(ids.uploadedIDs);
+    return BackupStatus(ids.localIDs, size);
+  }
+
+  Future<int> _getFileSize(List<int> fileIDs) async {
+    try {
+      final response = await _dio.post(
+        Configuration.instance.getHttpEndpoint() + "/files/size",
+        options: Options(
+          headers: {
+            "X-Auth-Token": Configuration.instance.getToken(),
+          },
+        ),
+        data: {
+          "fileIDs": fileIDs,
+        },
+      );
+      return response.data["size"];
+    } catch (e) {
+      _logger.severe(e);
+      throw e;
+    }
+  }
+
   Future<void> _doSync() async {
     await _localSyncService.sync();
     if (_localSyncService.hasCompletedFirstImport()) {