diff --git a/glance/async_/flows/api_image_import.py b/glance/async_/flows/api_image_import.py
index 4c543162a8..49e523c8ec 100644
--- a/glance/async_/flows/api_image_import.py
+++ b/glance/async_/flows/api_image_import.py
@@ -309,7 +309,7 @@ class _ImportActions(object):
                  ones is present in attrs.
         """
         allowed = ['status', 'disk_format', 'container_format',
-                   'virtual_size']
+                   'virtual_size', 'size']
         for attr, value in attrs.items():
             if attr not in allowed:
                 raise AttributeError('Setting %s is not allowed' % attr)
diff --git a/glance/async_/flows/plugins/image_conversion.py b/glance/async_/flows/plugins/image_conversion.py
index ec92a31537..32c7b7fe09 100644
--- a/glance/async_/flows/plugins/image_conversion.py
+++ b/glance/async_/flows/plugins/image_conversion.py
@@ -25,7 +25,7 @@ from taskflow.patterns import linear_flow as lf
 from taskflow import task
 
 from glance.async_ import utils
-from glance.i18n import _
+from glance.i18n import _, _LI
 
 LOG = logging.getLogger(__name__)
 
@@ -138,6 +138,10 @@ class _ConvertImage(task.Task):
 
         action.set_image_attribute(disk_format=target_format,
                                    container_format='bare')
+        new_size = os.stat(dest_path).st_size
+        action.set_image_attribute(size=new_size)
+        LOG.info(_LI('Updated image %s size=%i disk_format=%s'),
+                 self.image_id, new_size, target_format)
 
         os.remove(src_path)
 
diff --git a/glance/tests/unit/async_/flows/plugins/test_image_conversion.py b/glance/tests/unit/async_/flows/plugins/test_image_conversion.py
index 9327748ddb..eaa84f43db 100644
--- a/glance/tests/unit/async_/flows/plugins/test_image_conversion.py
+++ b/glance/tests/unit/async_/flows/plugins/test_image_conversion.py
@@ -90,9 +90,11 @@ class TestConvertImageTask(test_utils.BaseTestCase):
                                                        self.image_id,
                                                        self.task.task_id)
 
+    @mock.patch.object(os, 'stat')
     @mock.patch.object(os, 'remove')
-    def test_image_convert_success(self, mock_os_remove):
+    def test_image_convert_success(self, mock_os_remove, mock_os_stat):
         mock_os_remove.return_value = None
+        mock_os_stat.return_value.st_size = 123
         image_convert = image_conversion._ConvertImage(self.context,
                                                        self.task.task_id,
                                                        self.task_type,
@@ -109,7 +111,7 @@ class TestConvertImageTask(test_utils.BaseTestCase):
             exc_mock.return_value = ("", None)
             with mock.patch.object(json, 'loads') as jloads_mock:
                 jloads_mock.return_value = {'format': 'raw',
-                                            'virtual-size': 123}
+                                            'virtual-size': 456}
                 image_convert.execute('file:///test/path.raw')
 
                 # NOTE(hemanthm): Asserting that the source format is passed
@@ -121,7 +123,8 @@ class TestConvertImageTask(test_utils.BaseTestCase):
 
         self.assertEqual('bare', image.container_format)
         self.assertEqual('qcow2', image.disk_format)
-        self.assertEqual(123, image.virtual_size)
+        self.assertEqual(456, image.virtual_size)
+        self.assertEqual(123, image.size)
 
     def _setup_image_convert_info_fail(self):
         image_convert = image_conversion._ConvertImage(self.context,
diff --git a/glance/tests/unit/async_/flows/test_api_image_import.py b/glance/tests/unit/async_/flows/test_api_image_import.py
index 5d88640333..5029c200fb 100644
--- a/glance/tests/unit/async_/flows/test_api_image_import.py
+++ b/glance/tests/unit/async_/flows/test_api_image_import.py
@@ -688,10 +688,12 @@ class TestImportActionWrapper(test_utils.BaseTestCase):
         wrapper = import_flow.ImportActionWrapper(mock_repo, IMAGE_ID1,
                                                   TASK_ID1)
         with wrapper as action:
-            action.set_image_attribute(status='foo', virtual_size=123)
+            action.set_image_attribute(status='foo', virtual_size=123,
+                                       size=64)
         mock_repo.save.assert_called_once_with(mock_image, 'bar')
         self.assertEqual('foo', mock_image.status)
         self.assertEqual(123, mock_image.virtual_size)
+        self.assertEqual(64, mock_image.size)
 
     def test_set_image_attribute_disallowed(self):
         mock_repo = mock.MagicMock()