diff --git a/conversion_helpers.go b/conversion_helpers.go
index 486276f..e200466 100644
--- a/conversion_helpers.go
+++ b/conversion_helpers.go
@@ -348,6 +348,9 @@ func toArchivedTasks(in []*asynq.TaskInfo, pf PayloadFormatter) []*archivedTask
 type completedTask struct {
 	*baseTask
 	CompletedAt time.Time `json:"completed_at"`
+	Result      string    `json:"result"`
+	// Number of seconds left for retention (i.e. (CompletedAt + ResultTTL) - Now)
+	ResultTTL int64 `json:"result_ttl_seconds"`
 }
 
 func toCompletedTask(ti *asynq.TaskInfo, pf PayloadFormatter) *completedTask {
@@ -360,9 +363,13 @@ func toCompletedTask(ti *asynq.TaskInfo, pf PayloadFormatter) *completedTask {
 		Retried:   ti.Retried,
 		LastError: ti.LastErr,
 	}
+	ttl := ti.CompletedAt.Add(ti.ResultTTL).Sub(time.Now())
 	return &completedTask{
 		baseTask:    base,
 		CompletedAt: ti.CompletedAt,
+		ResultTTL:   int64(ttl.Seconds()),
+		// TODO: Use resultFormatter instead
+		Result: defaultPayloadFormatter.FormatPayload("", ti.Result),
 	}
 }
 
diff --git a/ui/src/api.ts b/ui/src/api.ts
index dcebed4..04fbcf0 100644
--- a/ui/src/api.ts
+++ b/ui/src/api.ts
@@ -329,6 +329,8 @@ export interface CompletedTask extends BaseTask {
   max_retry: number;
   retried: number;
   completed_at: string;
+  result: string;
+  result_ttl_seconds: number
 }
 
 export interface ServerInfo {
diff --git a/ui/src/components/CompletedTasksTable.tsx b/ui/src/components/CompletedTasksTable.tsx
index 0a6c7a2..a504ba0 100644
--- a/ui/src/components/CompletedTasksTable.tsx
+++ b/ui/src/components/CompletedTasksTable.tsx
@@ -26,7 +26,12 @@ import TablePaginationActions, {
 } from "./TablePaginationActions";
 import { taskRowsPerPageChange } from "../actions/settingsActions";
 import TableActions from "./TableActions";
-import { timeAgo, uuidPrefix } from "../utils";
+import {
+  durationFromSeconds,
+  stringifyDuration,
+  timeAgo,
+  uuidPrefix,
+} from "../utils";
 import { usePolling } from "../hooks";
 import { CompletedTaskExtended } from "../reducers/tasksReducer";
 import { TableColumn } from "../types/table";
@@ -132,8 +137,9 @@ function CompletedTasksTable(props: Props & ReduxProps) {
     { key: "id", label: "ID", align: "left" },
     { key: "type", label: "Type", align: "left" },
     { key: "payload", label: "Payload", align: "left" },
-    { key: "completed_at", label: "Completed Time", align: "left" },
+    { key: "completed_at", label: "Completed", align: "left" },
     { key: "result", label: "Result", align: "left" },
+    { key: "ttl", label: "TTL", align: "left" },
     { key: "actions", label: "Actions", align: "center" },
   ];
 
@@ -310,7 +316,21 @@ function Row(props: RowProps) {
         </SyntaxHighlighter>
       </TableCell>
       <TableCell>{timeAgo(task.completed_at)}</TableCell>
-      <TableCell>{"TODO: Result data here"}</TableCell>
+      <TableCell>
+        <SyntaxHighlighter
+          language="json"
+          customStyle={{ margin: 0, maxWidth: 400 }}
+        >
+          {task.result}
+        </SyntaxHighlighter>
+      </TableCell>
+      <TableCell>
+        {task.result_ttl_seconds > 0
+          ? `${stringifyDuration(
+              durationFromSeconds(task.result_ttl_seconds)
+            )} left`
+          : `expired`}
+      </TableCell>
       <TableCell
         align="center"
         className={classes.actionCell}
diff --git a/ui/src/components/QueueSizeChart.tsx b/ui/src/components/QueueSizeChart.tsx
index 19c842b..171a8c9 100644
--- a/ui/src/components/QueueSizeChart.tsx
+++ b/ui/src/components/QueueSizeChart.tsx
@@ -23,6 +23,7 @@ interface TaskBreakdown {
   scheduled: number; // number of scheduled tasks in the queue.
   retry: number; // number of retry tasks in the queue.
   archived: number; // number of archived tasks in the queue.
+  completed: number; // number of completed tasks in the queue.
 }
 
 function QueueSizeChart(props: Props) {
@@ -55,6 +56,7 @@ function QueueSizeChart(props: Props) {
         <Bar dataKey="scheduled" stackId="a" fill="#fdd663" />
         <Bar dataKey="retry" stackId="a" fill="#f666a9" />
         <Bar dataKey="archived" stackId="a" fill="#ac4776" />
+        <Bar dataKey="completed" stackId="a" fill="#4bb543" />
       </BarChart>
     </ResponsiveContainer>
   );
diff --git a/ui/src/utils.ts b/ui/src/utils.ts
index b668a0f..6209853 100644
--- a/ui/src/utils.ts
+++ b/ui/src/utils.ts
@@ -25,17 +25,22 @@ interface Duration {
   totalSeconds: number;
 }
 
-// start and end are in milliseconds.
-function durationBetween(start: number, end: number): Duration {
-  const durationInMillisec = start - end;
-  const totalSeconds = Math.floor(durationInMillisec / 1000);
+// Returns a duration from the number of seconds provided.
+export function durationFromSeconds(totalSeconds: number): Duration {
   const hour = Math.floor(totalSeconds / 3600);
   const minute = Math.floor((totalSeconds - 3600 * hour) / 60);
   const second = totalSeconds - 3600 * hour - 60 * minute;
   return { hour, minute, second, totalSeconds };
 }
 
-function stringifyDuration(d: Duration): string {
+// start and end are in milliseconds.
+function durationBetween(start: number, end: number): Duration {
+  const durationInMillisec = start - end;
+  const totalSeconds = Math.floor(durationInMillisec / 1000);
+  return durationFromSeconds(totalSeconds);
+}
+
+export function stringifyDuration(d: Duration): string {
   if (d.hour > 24) {
     const n = Math.floor(d.hour / 24);
     return n + (n === 1 ? " day" : " days");