diff --git a/log_outgoing_requests/admin.py b/log_outgoing_requests/admin.py
index ffb33a7..7367022 100644
--- a/log_outgoing_requests/admin.py
+++ b/log_outgoing_requests/admin.py
@@ -25,6 +25,7 @@ class OutgoingRequestsLogAdmin(admin.ModelAdmin):
         "method",
         "response_ms",
         "timestamp",
+        "response_content_length",
     )
     list_filter = ("method", "timestamp", "status_code", "hostname")
     search_fields = ("url", "params", "hostname")
@@ -57,6 +58,7 @@ class OutgoingRequestsLogAdmin(admin.ModelAdmin):
                     "res_headers",
                     "res_content_type",
                     "res_body_encoding",
+                    "response_content_length",
                     "response_body",
                 )
             },
@@ -76,6 +78,7 @@ class OutgoingRequestsLogAdmin(admin.ModelAdmin):
         "response_ms",
         "res_headers",
         "res_content_type",
+        "response_content_length",
         "response_body",
         "trace",
     )
@@ -100,6 +103,9 @@ def request_body(self, obj) -> str:
     def response_body(self, obj) -> str:
         return obj.response_body_decoded or "-"
 
+    def response_content_length(self, obj):
+        return obj.response_content_length or "-"
+
     def truncated_url(self, obj):
         parsed_url = urlparse(obj.url)
         path = parsed_url.path
diff --git a/log_outgoing_requests/models.py b/log_outgoing_requests/models.py
index db8f1be..b5d8c19 100644
--- a/log_outgoing_requests/models.py
+++ b/log_outgoing_requests/models.py
@@ -174,6 +174,21 @@ def response_body_decoded(self) -> str:
 
     response_body_decoded.short_description = _("Response body")  # type: ignore
 
+    @cached_property
+    def response_content_length(self) -> str:
+        """
+        Get Response content length
+        
+        Try `Content-Length` header first. If not present, try to
+        determine the size by reading `len(body)`. 
+        """
+        content_length = loads_headers(self.res_headers).get("Content-Length", "")
+        if not content_length and self.response_body_decoded:
+            content_length = str(len(self.response_body_decoded))
+        return content_length
+
+    response_content_length.short_description = _("Content length")  # type: ignore
+
 
 def get_default_max_content_length():
     """