diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 4f5f0383e..ea9f6147a 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -681,7 +681,7 @@ choose_new_avatar = Choose new avatar
 update_avatar = Update Avatar
 delete_current_avatar = Delete Current Avatar
 uploaded_avatar_not_a_image = The uploaded file is not an image.
-uploaded_avatar_is_too_big = The uploaded file has exceeded the maximum size.
+uploaded_avatar_is_too_big = The uploaded file size (%d KiB) exceeds the maximum size (%d KiB).
 update_avatar_success = Your avatar has been updated.
 update_user_avatar_success = The user's avatar has been updated.
 
diff --git a/routers/web/repo/setting/avatar.go b/routers/web/repo/setting/avatar.go
index ae80f1db0..02c807b77 100644
--- a/routers/web/repo/setting/avatar.go
+++ b/routers/web/repo/setting/avatar.go
@@ -38,7 +38,7 @@ func UpdateAvatarSetting(ctx *context.Context, form forms.AvatarForm) error {
 	defer r.Close()
 
 	if form.Avatar.Size > setting.Avatar.MaxFileSize {
-		return errors.New(ctx.Tr("settings.uploaded_avatar_is_too_big"))
+		return errors.New(ctx.Tr("settings.uploaded_avatar_is_too_big", form.Avatar.Size/1024, setting.Avatar.MaxFileSize/1024))
 	}
 
 	data, err := io.ReadAll(r)
diff --git a/routers/web/user/setting/profile.go b/routers/web/user/setting/profile.go
index 61089d094..e1dc5680c 100644
--- a/routers/web/user/setting/profile.go
+++ b/routers/web/user/setting/profile.go
@@ -146,7 +146,7 @@ func UpdateAvatarSetting(ctx *context.Context, form *forms.AvatarForm, ctxUser *
 		defer fr.Close()
 
 		if form.Avatar.Size > setting.Avatar.MaxFileSize {
-			return errors.New(ctx.Tr("settings.uploaded_avatar_is_too_big"))
+			return errors.New(ctx.Tr("settings.uploaded_avatar_is_too_big", form.Avatar.Size/1024, setting.Avatar.MaxFileSize/1024))
 		}
 
 		data, err := io.ReadAll(fr)