diff --git a/bazarr/backup.py b/bazarr/backup.py
index e812a50cd..81ccf68ab 100644
--- a/bazarr/backup.py
+++ b/bazarr/backup.py
@@ -39,6 +39,7 @@ def get_backup_files(fullpath=True):
         return [{
             'type': 'backup',
             'filename': os.path.basename(x),
+            'size': sizeof_fmt(os.path.getsize(x)),
             'date': datetime.fromtimestamp(os.path.getmtime(x)).strftime("%b %d %Y")
         } for x in file_list]
 
@@ -195,3 +196,11 @@ def delete_backup_file(filename):
     except OSError:
         logging.debug(f'Unable to delete backup file {backup_file_path}')
     return False
+
+
+def sizeof_fmt(num, suffix="B"):
+    for unit in ["", "K", "M", "G", "T", "P", "E", "Z"]:
+        if abs(num) < 1000.0:
+            return f"{num:3.1f} {unit}{suffix}"
+        num /= 1000.0
+    return f"{num:.1f} Y{suffix}"
diff --git a/frontend/src/@types/system.d.ts b/frontend/src/@types/system.d.ts
index 11cb09072..2c193cf33 100644
--- a/frontend/src/@types/system.d.ts
+++ b/frontend/src/@types/system.d.ts
@@ -23,6 +23,7 @@ declare namespace System {
   interface Backups {
     type: string;
     filename: string;
+    size: string;
     date: string;
     id: number;
   }
diff --git a/frontend/src/pages/System/Backups/table.tsx b/frontend/src/pages/System/Backups/table.tsx
index 035d0d50e..7aec9ba2d 100644
--- a/frontend/src/pages/System/Backups/table.tsx
+++ b/frontend/src/pages/System/Backups/table.tsx
@@ -24,6 +24,11 @@ const Table: FunctionComponent<Props> = ({ backups }) => {
         accessor: "filename",
         className: "text-nowrap",
       },
+      {
+        Header: "Size",
+        accessor: "size",
+        className: "text-nowrap",
+      },
       {
         Header: "Time",
         accessor: "date",