diff --git a/frontend/src/System/Backup/BackupRow.js b/frontend/src/System/Backup/BackupRow.js
index 268981996..c538303b7 100644
--- a/frontend/src/System/Backup/BackupRow.js
+++ b/frontend/src/System/Backup/BackupRow.js
@@ -1,5 +1,6 @@
 import PropTypes from 'prop-types';
 import React, { Component } from 'react';
+import formatBytes from 'Utilities/Number/formatBytes';
 import { icons, kinds } from 'Helpers/Props';
 import Icon from 'Components/Icon';
 import IconButton from 'Components/Link/IconButton';
@@ -64,6 +65,7 @@ class BackupRow extends Component {
       type,
       name,
       path,
+      size,
       time
     } = this.props;
 
@@ -103,6 +105,10 @@ class BackupRow extends Component {
           </Link>
         </TableRowCell>
 
+        <TableRowCell>
+          {formatBytes(size)}
+        </TableRowCell>
+
         <RelativeDateCellConnector
           date={time}
         />
@@ -146,8 +152,9 @@ BackupRow.propTypes = {
   type: PropTypes.string.isRequired,
   name: PropTypes.string.isRequired,
   path: PropTypes.string.isRequired,
+  size: PropTypes.number.isRequired,
   time: PropTypes.string.isRequired,
   onDeleteBackupPress: PropTypes.func.isRequired
 };
 
-export default BackupRow;
+export default BackupRow;
\ No newline at end of file
diff --git a/frontend/src/System/Backup/Backups.js b/frontend/src/System/Backup/Backups.js
index 424f8740b..59b277c7c 100644
--- a/frontend/src/System/Backup/Backups.js
+++ b/frontend/src/System/Backup/Backups.js
@@ -22,6 +22,11 @@ const columns = [
     label: 'Name',
     isVisible: true
   },
+  {
+    name: 'size',
+    label: 'Size',
+    isVisible: true
+  },
   {
     name: 'time',
     label: 'Time',
@@ -122,6 +127,7 @@ class Backups extends Component {
                         type,
                         name,
                         path,
+                        size,
                         time
                       } = item;
 
@@ -132,6 +138,7 @@ class Backups extends Component {
                           type={type}
                           name={name}
                           path={path}
+                          size={size}
                           time={time}
                           onDeleteBackupPress={onDeleteBackupPress}
                         />
@@ -163,4 +170,4 @@ Backups.propTypes = {
   onDeleteBackupPress: PropTypes.func.isRequired
 };
 
-export default Backups;
+export default Backups;
\ No newline at end of file
diff --git a/src/NzbDrone.Core/Backup/Backup.cs b/src/NzbDrone.Core/Backup/Backup.cs
index 5d148648e..4c6200436 100644
--- a/src/NzbDrone.Core/Backup/Backup.cs
+++ b/src/NzbDrone.Core/Backup/Backup.cs
@@ -6,6 +6,7 @@ namespace NzbDrone.Core.Backup
     {
         public string Name { get; set; }
         public BackupType Type { get; set; }
+        public long Size { get; set; }
         public DateTime Time { get; set; }
     }
 }
diff --git a/src/NzbDrone.Core/Backup/BackupService.cs b/src/NzbDrone.Core/Backup/BackupService.cs
index b43b21818..b9033c1e5 100644
--- a/src/NzbDrone.Core/Backup/BackupService.cs
+++ b/src/NzbDrone.Core/Backup/BackupService.cs
@@ -107,6 +107,7 @@ namespace NzbDrone.Core.Backup
                                                                         {
                                                                             Name = Path.GetFileName(b),
                                                                             Type = backupType,
+                                                                            Size = _diskProvider.GetFileSize(b),
                                                                             Time = _diskProvider.FileGetLastWrite(b)
                                                                         }));
                 }
diff --git a/src/Sonarr.Api.V3/System/Backup/BackupModule.cs b/src/Sonarr.Api.V3/System/Backup/BackupModule.cs
index 94f3e90fd..f6d84bc90 100644
--- a/src/Sonarr.Api.V3/System/Backup/BackupModule.cs
+++ b/src/Sonarr.Api.V3/System/Backup/BackupModule.cs
@@ -44,6 +44,7 @@ namespace Sonarr.Api.V3.System.Backup
                                            Name = b.Name,
                                            Path = $"/backup/{b.Type.ToString().ToLower()}/{b.Name}",
                                            Type = b.Type,
+                                           Size = b.Size,
                                            Time = b.Time
                                        })
                                        .OrderByDescending(b => b.Time)
diff --git a/src/Sonarr.Api.V3/System/Backup/BackupResource.cs b/src/Sonarr.Api.V3/System/Backup/BackupResource.cs
index 86b23c4da..25ff1f2bf 100644
--- a/src/Sonarr.Api.V3/System/Backup/BackupResource.cs
+++ b/src/Sonarr.Api.V3/System/Backup/BackupResource.cs
@@ -9,6 +9,7 @@ namespace Sonarr.Api.V3.System.Backup
         public string Name { get; set; }
         public string Path { get; set; }
         public BackupType Type { get; set; }
+        public long Size { get; set; }
         public DateTime Time { get; set; }
     }
 }