diff --git a/frontend/src/pages/org/collections-list.ts b/frontend/src/pages/org/collections-list.ts
index 8fdb8222..ab04c59f 100644
--- a/frontend/src/pages/org/collections-list.ts
+++ b/frontend/src/pages/org/collections-list.ts
@@ -27,7 +27,7 @@ type SearchResult = {
     value: string;
   };
 };
-type SortField = "modified" | "name";
+type SortField = "modified" | "name" | "totalSize";
 type SortDirection = "asc" | "desc";
 const INITIAL_PAGE_SIZE = 10;
 const sortableFields: Record<
@@ -42,6 +42,10 @@ const sortableFields: Record<
     label: msg("Name"),
     defaultDirection: "asc",
   },
+  totalSize: {
+    label: msg("Size"),
+    defaultDirection: "desc",
+  },
 };
 const MIN_SEARCH_LENGTH = 2;
 
@@ -365,11 +369,12 @@ export class CollectionsList extends LiteElement {
       return html`
         <header class="py-2 text-neutral-600 leading-none">
           <div
-            class="hidden md:grid md:grid-cols-[repeat(2,1fr)_16ch_repeat(2,10ch)_2.5rem] gap-3"
+            class="hidden md:grid md:grid-cols-[repeat(2,1fr)_16ch_repeat(3,10ch)_2.5rem] gap-3"
           >
             <div class="col-span-1 text-xs pl-3">${msg("Collection Name")}</div>
             <div class="col-span-1 text-xs">${msg("Top 3 Tags")}</div>
             <div class="col-span-1 text-xs">${msg("Last Updated")}</div>
+            <div class="col-span-1 text-xs">${msg("Size")}</div>
             <div class="col-span-1 text-xs">${msg("Web Captures")}</div>
             <div class="col-span-2 text-xs">${msg("Total Pages")}</div>
           </div>
@@ -441,7 +446,7 @@ export class CollectionsList extends LiteElement {
     html`<li class="mb-2 last:mb-0">
       <div class="block border rounded leading-none">
         <div
-          class="relative p-3 md:p-0 grid grid-cols-1 md:grid-cols-[repeat(2,1fr)_16ch_repeat(2,10ch)_2.5rem] gap-3 lg:h-10 items-center"
+          class="relative p-3 md:p-0 grid grid-cols-1 md:grid-cols-[repeat(2,1fr)_16ch_repeat(3,10ch)_2.5rem] gap-3 lg:h-10 items-center"
         >
           <div class="col-span-1 md:pl-3 truncate font-semibold">
             <a
@@ -470,6 +475,14 @@ export class CollectionsList extends LiteElement {
               minute="2-digit"
             ></sl-format-date>
           </div>
+          <div
+            class="col-span-1 truncate text-xs text-neutral-500 font-monostyle"
+          >
+            <sl-format-bytes
+              value=${col.totalSize || 0}
+              display="narrow"
+            ></sl-format-bytes>
+          </div>
           <div
             class="col-span-1 truncate text-xs text-neutral-500 font-monostyle"
           >
diff --git a/frontend/src/types/collection.ts b/frontend/src/types/collection.ts
index fa1054e9..0719bf39 100644
--- a/frontend/src/types/collection.ts
+++ b/frontend/src/types/collection.ts
@@ -6,6 +6,7 @@ export type Collection = {
   modified: string; // date
   crawlCount: number;
   pageCount: number;
+  totalSize: number;
   tags: string[];
   resources: string[];
 };