diff --git a/apps/web/components/eventtype/CustomEventTypeModal.tsx b/apps/web/components/eventtype/CustomEventTypeModal.tsx
index fc40298427..94cbc33836 100644
--- a/apps/web/components/eventtype/CustomEventTypeModal.tsx
+++ b/apps/web/components/eventtype/CustomEventTypeModal.tsx
@@ -70,6 +70,10 @@ const CustomEventTypeModalForm: FC<CustomEventTypeModalFormProps> = (props) => {
               <p className="text-subtle ml-1 mr-5 w-32">{`{Event type title}`}</p>
               <p className="text-emphasis">{t("event_name_info")}</p>
             </div>
+            <div className="mb-2.5 flex font-normal">
+              <p className="text-subtle ml-1 mr-5 w-32">{`{Event duration}`}</p>
+              <p className="text-emphasis">{t("event_duration_info")}</p>
+            </div>
             <div className="mb-2.5 flex font-normal">
               <p className="text-subtle ml-1 mr-5 w-32">{`{Organiser}`}</p>
               <p className="text-emphasis">{t("your_full_name")}</p>
diff --git a/apps/web/components/eventtype/EventAdvancedTab.tsx b/apps/web/components/eventtype/EventAdvancedTab.tsx
index c0cedaedc8..17b4855be7 100644
--- a/apps/web/components/eventtype/EventAdvancedTab.tsx
+++ b/apps/web/components/eventtype/EventAdvancedTab.tsx
@@ -74,6 +74,7 @@ export const EventAdvancedTab = ({ eventType, team }: Pick<EventTypeSetupProps,
     eventName: formMethods.getValues("eventName"),
     host: formMethods.getValues("users")[0]?.name || "Nameless",
     bookingFields: bookingFields,
+    eventDuration: formMethods.getValues("length"),
     t,
   };
 
diff --git a/apps/web/modules/bookings/views/bookings-single-view.tsx b/apps/web/modules/bookings/views/bookings-single-view.tsx
index cc65e81cf7..c4c7c476d7 100644
--- a/apps/web/modules/bookings/views/bookings-single-view.tsx
+++ b/apps/web/modules/bookings/views/bookings-single-view.tsx
@@ -233,6 +233,7 @@ export default function Success(props: PageProps) {
     host: props.profile.name || "Nameless",
     location: location,
     bookingFields: bookingInfo.responses,
+    eventDuration: eventType.length,
     t,
   };
 
diff --git a/apps/web/public/static/locales/en/common.json b/apps/web/public/static/locales/en/common.json
index 6985580677..c19aad518d 100644
--- a/apps/web/public/static/locales/en/common.json
+++ b/apps/web/public/static/locales/en/common.json
@@ -1444,6 +1444,7 @@
   "add_dynamic_variables": "Add dynamic text variables",
   "event_name_info": "The event type name",
   "event_date_info": "The event date",
+  "event_duration_info": "The event duration",
   "event_time_info": "The event start time",
   "event_type_not_found": "EventType not Found",
   "location_variable": "Location",
diff --git a/packages/core/event.test.ts b/packages/core/event.test.ts
index d0580b2f13..02c8a9cb0f 100644
--- a/packages/core/event.test.ts
+++ b/packages/core/event.test.ts
@@ -12,6 +12,7 @@ describe("event tests", () => {
         attendeeName: "example attendee",
         eventType: "example event type",
         host: "example host",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -39,6 +40,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         teamName: "example team name",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -66,6 +68,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "example event name",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -81,6 +84,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "event type: {Event type title}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -96,6 +100,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "scheduler: {Scheduler}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -111,6 +116,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "organiser: {Organiser}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -126,6 +132,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "user: {USER}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -141,6 +148,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "attendee: {ATTENDEE}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -156,6 +164,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "host: {HOST}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -171,6 +180,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "host or attendee: {HOST/ATTENDEE}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -187,6 +197,7 @@ describe("event tests", () => {
           eventType: "example event type",
           host: "example host",
           eventName: "host or attendee: {HOST/ATTENDEE}",
+          eventDuration: 15,
           t: tFunc as TFunction,
         },
         true
@@ -222,6 +233,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "custom field: {customField}",
+        eventDuration: 15,
         bookingFields: {
           customField: {
             value: "example custom field",
@@ -242,6 +254,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "custom field: {customField}",
+        eventDuration: 15,
         bookingFields: {
           customField: {
             value: 808,
@@ -262,6 +275,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "custom field: {customField}",
+        eventDuration: 15,
         bookingFields: {
           customField: {
             value: undefined,
@@ -283,6 +297,7 @@ describe("event tests", () => {
         host: "example host",
         location: "attendeeInPerson",
         eventName: "location: {Location}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -299,6 +314,7 @@ describe("event tests", () => {
         host: "example host",
         location: "attendeeInPerson",
         eventName: "location: {LOCATION}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -314,6 +330,7 @@ describe("event tests", () => {
         eventType: "example event type",
         host: "example host",
         eventName: "location: {Location}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -330,6 +347,7 @@ describe("event tests", () => {
         host: "example host",
         location: "",
         eventName: "location: {Location}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -346,6 +364,7 @@ describe("event tests", () => {
         host: "example host",
         location: "unknownNonsense",
         eventName: "location: {Location}",
+        eventDuration: 15,
         t: tFunc as TFunction,
       });
 
@@ -354,6 +373,20 @@ describe("event tests", () => {
     });
   });
 
+  it("should support templating of event duration", () => {
+    const tFunc = vi.fn(() => "foo");
+
+    const result = event.getEventName({
+      attendeeName: "example attendee",
+      eventType: "example event type",
+      host: "example host",
+      eventName: "event duration: {Event duration}",
+      eventDuration: 15,
+      t: tFunc as TFunction,
+    });
+    expect(result).toBe("event duration: 15 mins");
+  });
+
   describe("fn: validateCustomEventName", () => {
     it("should be valid when no variables used", () => {
       expect(event.validateCustomEventName("foo")).toBe(true);
@@ -369,6 +402,7 @@ describe("event tests", () => {
       "HOST",
       "ATTENDEE",
       "USER",
+      "Event duration",
     ].forEach((value) => {
       it(`should support {${value}} variable`, () => {
         expect(event.validateCustomEventName(`foo {${value}} bar`)).toBe(true);
diff --git a/packages/core/event.ts b/packages/core/event.ts
index 0383b7ec83..6dc9653c5a 100644
--- a/packages/core/event.ts
+++ b/packages/core/event.ts
@@ -23,6 +23,7 @@ export type EventNameObjectType = {
   teamName?: string | null;
   host: string;
   location?: string;
+  eventDuration: number;
   bookingFields?: Prisma.JsonObject;
   t: TFunction;
 };
@@ -61,7 +62,8 @@ export function getEventName(eventNameObj: EventNameObjectType, forAttendeeView
     .replaceAll("{USER}", attendeeName)
     .replaceAll("{ATTENDEE}", attendeeName)
     .replaceAll("{HOST}", eventNameObj.host)
-    .replaceAll("{HOST/ATTENDEE}", forAttendeeView ? eventNameObj.host : attendeeName);
+    .replaceAll("{HOST/ATTENDEE}", forAttendeeView ? eventNameObj.host : attendeeName)
+    .replaceAll("{Event duration}", `${String(eventNameObj.eventDuration)} mins`);
 
   const { bookingFields } = eventNameObj || {};
   const { name } = bookingFields || {};
@@ -116,6 +118,7 @@ export const validateCustomEventName = (value: string, bookingFields?: Prisma.Js
     "{Organiser first name}",
     "{Scheduler first name}",
     "{Scheduler last name}",
+    "{Event duration}",
     //allowed for fallback reasons
     "{LOCATION}",
     "{HOST/ATTENDEE}",
diff --git a/packages/emails/email-manager.ts b/packages/emails/email-manager.ts
index 43575daaa7..484464efb4 100644
--- a/packages/emails/email-manager.ts
+++ b/packages/emails/email-manager.ts
@@ -6,6 +6,8 @@ import type { EventNameObjectType } from "@calcom/core/event";
 import { getEventName } from "@calcom/core/event";
 import type BaseEmail from "@calcom/emails/templates/_base-email";
 import { formatCalEvent } from "@calcom/lib/formatCalendarEvent";
+import logger from "@calcom/lib/logger";
+import { safeStringify } from "@calcom/lib/safeStringify";
 import type { CalendarEvent, Person } from "@calcom/types/Calendar";
 
 import type { MonthlyDigestEmailData } from "./src/templates/MonthlyDigestEmail";
@@ -280,6 +282,14 @@ export const sendCancelledEmails = async (
   const emailsToSend: Promise<unknown>[] = [];
 
   emailsToSend.push(sendEmail(() => new OrganizerCancelledEmail({ calEvent: calendarEvent })));
+  const calEventLength = calendarEvent.length;
+  if (typeof calEventLength !== "number") {
+    logger.error(
+      "`calEventLength` is not a number",
+      safeStringify({ calEventLength, calEventTitle: calEvent.title, bookingId: calEvent.bookingId })
+    );
+  }
+  const eventDuration = calEventLength as number;
 
   if (calendarEvent.team?.members) {
     for (const teamMember of calendarEvent.team.members) {
@@ -302,6 +312,7 @@ export const sendCancelledEmails = async (
                 attendeeName: attendee.name,
                 host: calendarEvent.organizer.name,
                 eventType: calendarEvent.type,
+                eventDuration,
                 ...(calendarEvent.responses && { bookingFields: calendarEvent.responses }),
                 ...(calendarEvent.location && { location: calendarEvent.location }),
               }),
diff --git a/packages/features/bookings/lib/handleCancelBooking.ts b/packages/features/bookings/lib/handleCancelBooking.ts
index e0bab0549d..48d84cf2f7 100644
--- a/packages/features/bookings/lib/handleCancelBooking.ts
+++ b/packages/features/bookings/lib/handleCancelBooking.ts
@@ -270,6 +270,7 @@ async function handler(req: CustomRequest) {
 
   const evt: CalendarEvent = {
     title: bookingToDelete?.title,
+    length: bookingToDelete?.eventType?.length,
     type: bookingToDelete?.eventType?.slug as string,
     description: bookingToDelete?.description || "",
     customInputs: isPrismaObjOrUndefined(bookingToDelete.customInputs),
diff --git a/packages/features/bookings/lib/handleNewBooking.ts b/packages/features/bookings/lib/handleNewBooking.ts
index af2b300e82..905094b4e4 100644
--- a/packages/features/bookings/lib/handleNewBooking.ts
+++ b/packages/features/bookings/lib/handleNewBooking.ts
@@ -802,6 +802,7 @@ async function handler(
     // TODO: Can we have an unnamed organizer? If not, I would really like to throw an error here.
     host: organizerUser.name || "Nameless",
     location: bookingLocation,
+    eventDuration: eventType.length,
     bookingFields: { ...responses },
     t: tOrganizer,
   };
diff --git a/packages/types/Calendar.d.ts b/packages/types/Calendar.d.ts
index dd10ed1748..494442484f 100644
--- a/packages/types/Calendar.d.ts
+++ b/packages/types/Calendar.d.ts
@@ -164,6 +164,7 @@ export interface CalendarEvent {
   endTime: string;
   organizer: Person;
   attendees: Person[];
+  length?: number | null;
   additionalNotes?: string | null;
   customInputs?: Prisma.JsonObject | null;
   description?: string | null;