diff --git a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/copilot-message/components/thinking-block/thinking-block.tsx b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/copilot-message/components/thinking-block/thinking-block.tsx
index ef92e1b43..3c95d83d4 100644
--- a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/copilot-message/components/thinking-block/thinking-block.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/copilot-message/components/thinking-block/thinking-block.tsx
@@ -244,7 +244,9 @@ export function ThinkingBlock({
 
   const hasContent = cleanContent.length > 0
   const isThinkingDone = !isStreaming || hasFollowingContent || hasSpecialTags
-  const durationText = `${label} for ${formatDuration(Math.max(1000, duration))}`
+  // Round to nearest second (minimum 1s) to match original behavior
+  const roundedMs = Math.max(1000, Math.round(duration / 1000) * 1000)
+  const durationText = `${label} for ${formatDuration(roundedMs)}`
 
   const getStreamingLabel = (lbl: string) => {
     if (lbl === 'Thought') return 'Thinking'
diff --git a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/tool-call/tool-call.tsx b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/tool-call/tool-call.tsx
index 997d9e60e..f6ee0679a 100644
--- a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/tool-call/tool-call.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/tool-call/tool-call.tsx
@@ -850,7 +850,9 @@ const SubagentContentRenderer = memo(function SubagentContentRenderer({
   )
 
   const outerLabel = getSubagentCompletionLabel(toolCall.name)
-  const durationText = `${outerLabel} for ${formatDuration(Math.max(1000, duration))}`
+  // Round to nearest second (minimum 1s) to match original behavior
+  const roundedMs = Math.max(1000, Math.round(duration / 1000) * 1000)
+  const durationText = `${outerLabel} for ${formatDuration(roundedMs)}`
 
   const renderCollapsibleContent = () => (
     <>
diff --git a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/terminal/terminal.tsx b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/terminal/terminal.tsx
index 21b1c2834..c357d8c80 100644
--- a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/terminal/terminal.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/terminal/terminal.tsx
@@ -128,7 +128,7 @@ const BlockRow = memo(function BlockRow({
         <StatusDisplay
           isRunning={isRunning}
           isCanceled={isCanceled}
-          formattedDuration={formatDuration(entry.durationMs)}
+          formattedDuration={formatDuration(entry.durationMs, { precision: 2 })}
         />
       </span>
     </div>
@@ -201,7 +201,7 @@ const IterationNodeRow = memo(function IterationNodeRow({
           <StatusDisplay
             isRunning={hasRunningChild}
             isCanceled={hasCanceledChild}
-            formattedDuration={formatDuration(entry.durationMs)}
+            formattedDuration={formatDuration(entry.durationMs, { precision: 2 })}
           />
         </span>
       </div>
@@ -314,7 +314,7 @@ const SubflowNodeRow = memo(function SubflowNodeRow({
           <StatusDisplay
             isRunning={hasRunningDescendant}
             isCanceled={hasCanceledDescendant}
-            formattedDuration={formatDuration(entry.durationMs)}
+            formattedDuration={formatDuration(entry.durationMs, { precision: 2 })}
           />
         </span>
       </div>
diff --git a/apps/sim/background/workspace-notification-delivery.ts b/apps/sim/background/workspace-notification-delivery.ts
index c6a72f011..68bfa2fe8 100644
--- a/apps/sim/background/workspace-notification-delivery.ts
+++ b/apps/sim/background/workspace-notification-delivery.ts
@@ -297,7 +297,7 @@ async function deliverEmail(
     workflowName: payload.data.workflowName || 'Unknown Workflow',
     status: payload.data.status,
     trigger: payload.data.trigger,
-    duration: formatDuration(payload.data.totalDurationMs),
+    duration: formatDuration(payload.data.totalDurationMs, { precision: 1 }),
     cost: formatCost(payload.data.cost),
     logUrl,
     alertReason,
@@ -310,7 +310,7 @@ async function deliverEmail(
     to: subscription.emailRecipients,
     subject,
     html,
-    text: `${subject}\n${alertReason ? `\nReason: ${alertReason}\n` : ''}\nWorkflow: ${payload.data.workflowName}\nStatus: ${statusText}\nTrigger: ${payload.data.trigger}\nDuration: ${formatDuration(payload.data.totalDurationMs)}\nCost: ${formatCost(payload.data.cost)}\n\nView Log: ${logUrl}${includedDataText}`,
+    text: `${subject}\n${alertReason ? `\nReason: ${alertReason}\n` : ''}\nWorkflow: ${payload.data.workflowName}\nStatus: ${statusText}\nTrigger: ${payload.data.trigger}\nDuration: ${formatDuration(payload.data.totalDurationMs, { precision: 1 })}\nCost: ${formatCost(payload.data.cost)}\n\nView Log: ${logUrl}${includedDataText}`,
     emailType: 'notifications',
   })
 
@@ -368,7 +368,10 @@ async function deliverSlack(
       fields: [
         { type: 'mrkdwn', text: `*Status:*\n${payload.data.status}` },
         { type: 'mrkdwn', text: `*Trigger:*\n${payload.data.trigger}` },
-        { type: 'mrkdwn', text: `*Duration:*\n${formatDuration(payload.data.totalDurationMs)}` },
+        {
+          type: 'mrkdwn',
+          text: `*Duration:*\n${formatDuration(payload.data.totalDurationMs, { precision: 1 })}`,
+        },
         { type: 'mrkdwn', text: `*Cost:*\n${formatCost(payload.data.cost)}` },
       ],
     },
diff --git a/apps/sim/components/ui/tool-call.tsx b/apps/sim/components/ui/tool-call.tsx
index ade15ebe9..0d7d2ece2 100644
--- a/apps/sim/components/ui/tool-call.tsx
+++ b/apps/sim/components/ui/tool-call.tsx
@@ -275,7 +275,7 @@ export function ToolCallCompletion({ toolCall, isCompact = false }: ToolCallProp
                   )}
                   style={{ fontSize: '0.625rem' }}
                 >
-                  {formatDuration(toolCall.duration)}
+                  {toolCall.duration ? formatDuration(toolCall.duration, { precision: 1 }) : ''}
                 </Badge>
               )}
             </div>