diff --git a/A00_Common/spreadsheet/spreadsheet_grid.ts b/A00_Common/spreadsheet/spreadsheet_grid.ts
index 7118a752..23dc5c68 100644
--- a/A00_Common/spreadsheet/spreadsheet_grid.ts
+++ b/A00_Common/spreadsheet/spreadsheet_grid.ts
@@ -399,6 +399,7 @@ export function createGrid(ctx: SpreadsheetContext): GridHandle {
     paneBR.scrollLeft *= zoom / before;
     paneBR.scrollTop *= zoom / before;
     layoutPanes();
+    root.dispatchEvent(new CustomEvent("aislo-grid-zoom", { detail: { zoom }, bubbles: true }));
   }
   root.addEventListener("wheel", onWheel, { passive: false });
 
@@ -935,6 +936,10 @@ export function createGrid(ctx: SpreadsheetContext): GridHandle {
     return { layer: paneLayerOf(r, c), box: screenBoxOf(r, c) };
   }
 
+  function getZoom(): number {
+    return zoom;
+  }
+
   function destroy(): void {
     resize.disconnect();
     paneBR.removeEventListener("scroll", onScroll);
@@ -954,6 +959,7 @@ export function createGrid(ctx: SpreadsheetContext): GridHandle {
     reveal,
     visibleRange,
     editorSlot,
+    zoom: getZoom,
     destroy,
   };
 }
diff --git a/A00_Common/spreadsheet/spreadsheet_view_types.ts b/A00_Common/spreadsheet/spreadsheet_view_types.ts
index 4c9a97e6..3695a4b4 100644
--- a/A00_Common/spreadsheet/spreadsheet_view_types.ts
+++ b/A00_Common/spreadsheet/spreadsheet_view_types.ts
@@ -69,6 +69,8 @@ export interface GridHandle {
   visibleRange(): CellRange;
   /** 편집기를 얹을 층과 칸 자리(화면 좌표 · 병합이면 전체) — D 편집기가 씀 */
   editorSlot(r: number, c: number): { layer: HTMLElement; box: CellBox };
+  /** 지금 확대(1 = 100%) — 바뀌면 `root` 에서 CustomEvent("aislo-grid-zoom", { detail: { zoom } }) 를 쏨(E 상태줄이 들음) */
+  zoom(): number;
   destroy(): void;
 }