diff --git a/resources/tester/test_sheet_f2_caret.py b/resources/tester/test_sheet_f2_caret.py
new file mode 100644
index 00000000..ade04c09
--- /dev/null
+++ b/resources/tester/test_sheet_f2_caret.py
@@ -0,0 +1,24 @@
+"""표 부품(`ui_template_sheet.ts`) 칸 고치기 — 엑셀처럼 F2 는 커서를 글 끝에(이어 씀).
+
+화면 조작은 ORCA 로 봄 — 여기서는 키마다 고치기 방식이 안 섞이는지만 봄.
+"""
+
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+SHEET = Path(__file__).resolve().parents[2] / "ui_template" / "sheet" / "ui_template_sheet.ts"
+
+
+def test_F2_는_글_끝_바로_치기는_바꿈_두_번_누르기는_그대로():
+    body = SHEET.read_text(encoding="utf-8")
+    # Enter · F2 = 글 끝 커서
+    assert re.search(
+        r'event\.key === "F2"\) \{\s*event\.preventDefault\(\);\s*edit\(undefined, true\);', body
+    )
+    # 바로 치기 = 누른 글자로 바꿈
+    assert "edit(event.key);" in body
+    # 두 번 누르기 = 예전대로(글 전부 고름)
+    assert 'else if (target.closest("td[data-r]")) edit();' in body
+    assert "box.setSelectionRange(box.value.length, box.value.length)" in body
diff --git a/ui_template/sheet/ui_template_sheet.ts b/ui_template/sheet/ui_template_sheet.ts
index 086840de..5728c0e5 100644
--- a/ui_template/sheet/ui_template_sheet.ts
+++ b/ui_template/sheet/ui_template_sheet.ts
@@ -244,7 +244,8 @@ export function createSheet(host: HTMLElement, input: SheetDoc, opts: SheetOptio
     if (key === KEY_PRICE && typeof got === "string" && col) write(key, col, got);
     root.focus({ preventScroll: true });
   };
-  const edit = (initial?: string): void => {
+  /** 칸 고치기 — 두 번 누르기 = 글 전부 고름 · 바로 치기(initial) = 그 글자로 바꿈 · Enter · F2(atEnd) = 커서를 글 끝에 */
+  const edit = (initial?: string, atEnd = false): void => {
     const sel = state.sel;
     const col = sel && colOf(sel.c);
     if (!sel || !col) return;
@@ -258,7 +259,9 @@ export function createSheet(host: HTMLElement, input: SheetDoc, opts: SheetOptio
     if (!td) return;
     startEdit(td, rawText(sel.r, col), (value) => write(sel.r, col, value));
     const box = td.querySelector("input");
-    if (box && initial !== undefined) box.value = initial;
+    if (!box) return;
+    if (initial !== undefined) box.value = initial;
+    if (initial !== undefined || atEnd) box.setSelectionRange(box.value.length, box.value.length);
   };
   /** 층 이름(머리 층 줄 머리 칸) 고치기 — master */
   const editLayer = (th: HTMLElement): void => {
@@ -337,7 +340,7 @@ export function createSheet(host: HTMLElement, input: SheetDoc, opts: SheetOptio
       move(0, event.shiftKey ? -1 : 1);
     } else if (event.key === "Enter" || event.key === "F2") {
       event.preventDefault();
-      edit();
+      edit(undefined, true);
     } else if (event.key === "Delete" || event.key === "Backspace") {
       const col = state.sel && colOf(state.sel.c);
       if (state.sel && col && keyEditable(state, state.sel.r, col)) {