diff --git a/packages/web/src/views/Calendar/components/Draft/hooks/actions/drag-duration.util.ts b/packages/web/src/views/Calendar/components/Draft/hooks/actions/drag-duration.util.ts
new file mode 100644
index 000000000..bbb8fcf93
--- /dev/null
+++ b/packages/web/src/views/Calendar/components/Draft/hooks/actions/drag-duration.util.ts
@@ -0,0 +1,13 @@
+import dayjs from "@core/util/date/dayjs";
+import { type Schema_GridEvent } from "@web/common/types/web.event.types";
+import { type Status_Drag } from "@web/views/Calendar/components/Draft/hooks/state/useDraftState";
+
+export const getDragDurationMinutes = (
+  draft: Schema_GridEvent,
+  dragStatus: Status_Drag | null,
+) => {
+  return (
+    dragStatus?.durationMin ??
+    dayjs(draft.endDate).diff(draft.startDate, "minutes")
+  );
+};
diff --git a/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.test.ts b/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.test.ts
new file mode 100644
index 000000000..64c981c56
--- /dev/null
+++ b/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.test.ts
@@ -0,0 +1,41 @@
+import { Origin, Priorities } from "@core/constants/core.constants";
+import { type Schema_GridEvent } from "@web/common/types/web.event.types";
+import { getDragDurationMinutes } from "./drag-duration.util";
+import { describe, expect, it } from "bun:test";
+
+const createDraft = (
+  overrides: Partial<Schema_GridEvent> = {},
+): Schema_GridEvent => ({
+  _id: "event-1",
+  title: "Seed event",
+  startDate: "2024-01-15T10:00:00.000Z",
+  endDate: "2024-01-15T11:30:00.000Z",
+  isAllDay: false,
+  isSomeday: false,
+  origin: Origin.COMPASS,
+  priority: Priorities.UNASSIGNED,
+  user: "user-1",
+  position: {
+    isOverlapping: false,
+    widthMultiplier: 1,
+    horizontalOrder: 1,
+    dragOffset: { y: 0 },
+    initialX: null,
+    initialY: null,
+  },
+  ...overrides,
+});
+
+describe("getDragDurationMinutes", () => {
+  it("uses the draft duration before drag status is ready", () => {
+    expect(getDragDurationMinutes(createDraft(), null)).toBe(90);
+  });
+
+  it("uses the tracked duration once available", () => {
+    expect(
+      getDragDurationMinutes(createDraft(), {
+        durationMin: 45,
+      }),
+    ).toBe(45);
+  });
+});
diff --git a/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.ts b/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.ts
index 2078cd35f..cf0e90720 100644
--- a/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.ts
+++ b/packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.ts
@@ -56,6 +56,7 @@ import {
 import { type DateCalcs } from "@web/views/Calendar/hooks/grid/useDateCalcs";
 import { type WeekProps } from "@web/views/Calendar/hooks/useWeek";
 import { GRID_TIME_STEP } from "@web/views/Calendar/layout.constants";
+import { getDragDurationMinutes } from "./drag-duration.util";
 
 export const useDraftActions = (
   draftState: State_Draft_Local,
@@ -389,7 +390,7 @@ export const useDraftActions = (
 
         const rawX = getX(e as MouseEvent, isSidebarOpen);
         const x = draft.isAllDay ? rawX - draft.position.dragOffset.x : rawX;
-        const startEndDurationMin = dragStatus?.durationMin || 0;
+        const startEndDurationMin = getDragDurationMinutes(draft, dragStatus);
 
         const y = e.clientY - draft.position.dragOffset.y;
 
@@ -453,8 +454,7 @@ export const useDraftActions = (
       dateCalcs,
       weekProps.component.startOfView,
       draft,
-      dragStatus?.hasMoved,
-      dragStatus?.durationMin,
+      dragStatus,
       setDraft,
       setDragStatus,
     ],