diff --git a/B07_DesignDetail/B07_DesignDetail_Api_Fetch.ts b/B07_DesignDetail/B07_DesignDetail_Api_Fetch.ts
index aa12da9dc..6248f2fd6 100644
--- a/B07_DesignDetail/B07_DesignDetail_Api_Fetch.ts
+++ b/B07_DesignDetail/B07_DesignDetail_Api_Fetch.ts
@@ -182,6 +182,8 @@ export interface PlanKind {
   pieces: string[];
   /** 양식 — plan(평면도 · 조각 고름) · watershed(유역도 1/6,000 한 장 · 조각 없음). */
   layout: PlanKindLayout;
+  /** 축척 분모 — 평면도 양식은 `scales` 중 하나(기본 1,200) · 유역도는 6,000 고정. */
+  scale: number;
 }
 export type PlanKindLayout = "plan" | "watershed";
 export interface PlanMark {
@@ -191,6 +193,10 @@ export interface PlanMark {
 }
 export interface PlanKindsState {
   pieces: { id: string; name: string }[];
+  /** 고를 수 있는 평면도 축척 분모(서버 `DRAWING_SCALE_PLAN_CHOICES`) · 기본 · 유역도 고정. */
+  scales: number[];
+  default_scale: number;
+  watershed_scale: number;
   kinds: PlanKind[];
   marks: PlanMark[];
   /** 종단 측점 간격(m) — 측점 NO + 거리 입력용(GET 만 · 종단이 없으면 null). */
@@ -206,10 +212,11 @@ export function addPlanKind(
   name: string,
   pieces: string[],
   layout: PlanKindLayout = "plan",
+  scale?: number,
 ): Promise<PlanKindsState> {
   return requestJson(`/projects/${projectId}/plan-kinds`, {
     method: "POST",
-    body: JSON.stringify({ name, pieces, layout }),
+    body: JSON.stringify({ name, pieces, layout, scale }),
   });
 }
 
@@ -218,10 +225,11 @@ export function updatePlanKind(
   kindId: string,
   name: string,
   pieces: string[],
+  scale?: number,
 ): Promise<PlanKindsState> {
   return requestJson(`/projects/${projectId}/plan-kinds/${encodeURIComponent(kindId)}`, {
     method: "PUT",
-    body: JSON.stringify({ name, pieces }),
+    body: JSON.stringify({ name, pieces, scale }),
   });
 }
 
diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_IpTable.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_IpTable.py
index 78d718bd3..93f833552 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_IpTable.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_IpTable.py
@@ -153,16 +153,18 @@ def clip_lines(
         pieces[piece]["lines"] = kept
 
 
-def _clip(pieces: dict[str, dict[str, Any]], blocks: list[dict[str, Any]], box: Any) -> None:
+def _clip(
+    pieces: dict[str, dict[str, Any]], blocks: list[dict[str, Any]], box: Any, mm: float = MM
+) -> None:
     """표 칸 밑 선 조각(등고선 · 계류 · 노견선 · 외곽선 · 중심선)을 표 밖으로 잘라 낸다."""
     min_x, min_y = box[0], box[1]
-    width = sum(_COLUMNS) / MM
+    width = sum(_COLUMNS) / mm
     rects = [
         (
-            min_x + b["origin"][0] / MM,
-            min_y + b["origin"][1] / MM - b["rows"] * _ROW_H / MM,
-            min_x + b["origin"][0] / MM + width,
-            min_y + b["origin"][1] / MM,
+            min_x + b["origin"][0] / mm,
+            min_y + b["origin"][1] / mm - b["rows"] * _ROW_H / mm,
+            min_x + b["origin"][0] / mm + width,
+            min_y + b["origin"][1] / mm,
         )
         for b in blocks
     ]
@@ -176,6 +178,7 @@ def ip_table_piece(
     box: tuple[float, float, float, float],
     chunk: dict[str, Any],
     total: int,
+    mm: float = MM,
 ) -> dict[str, Any]:
     """그 장 IP 표 조각 {blocks} — 자리를 정하고 같은 자리 밑 선 조각을 `pieces` 에서 잘라 낸다."""
     blocks = ip_blocks(
@@ -186,9 +189,9 @@ def ip_table_piece(
         float(chunk["start_m"]),
         float(chunk["end_m"]),
     )
-    _place(blocks, (box[2] - box[0]) * MM)
+    _place(blocks, (box[2] - box[0]) * mm)
     if blocks:
-        _clip(pieces, blocks, box)
+        _clip(pieces, blocks, box, mm)
     return {"blocks": blocks}
 
 
diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Plan.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Plan.py
index 18da7be67..51c6690eb 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Plan.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Plan.py
@@ -87,13 +87,15 @@ def plan_area_mm() -> tuple[float, float]:
     return (width - (_COMPASS_MARGIN + _COMPASS_SIZE), height - _TITLE_BAND)
 
 
-def _chunk_span_m() -> tuple[float, float]:
+def _chunk_span_m(scale: int = DRAWING_SCALE_PLAN) -> tuple[float, float]:
     """한 장이 담을 수 있는 실거리(m) — 도곽 지형 영역을 축척으로 되돌린 크기."""
     area_w, area_h = plan_area_mm()
-    return (area_w * DRAWING_SCALE_PLAN / 1000.0, area_h * DRAWING_SCALE_PLAN / 1000.0)
+    return (area_w * scale / 1000.0, area_h * scale / 1000.0)
 
 
-def plan_chunks(stations: list[tuple[float, float, float]]) -> list[dict[str, Any]]:
+def plan_chunks(
+    stations: list[tuple[float, float, float]], scale: int = DRAWING_SCALE_PLAN
+) -> list[dict[str, Any]]:
     """노선을 한 장에 들어가는 구간으로 나눈다. 각 항목: {number, start_m, end_m}.
 
     입력은 종단 측점의 (누가거리 m, x, y)다 — **도면 목록과 도면 생성이 같은 자료**를
@@ -107,7 +109,7 @@ def plan_chunks(stations: list[tuple[float, float, float]]) -> list[dict[str, An
     if len(ordered) < 2:
         span = (ordered[0][0] if ordered else 0.0, ordered[0][0] if ordered else 0.0)
         return [{"number": 1, "start_m": span[0], "end_m": span[1]}]
-    span_w, span_h = _chunk_span_m()
+    span_w, span_h = _chunk_span_m(scale)
 
     def fits(part: list[tuple[float, float, float]]) -> bool:
         width = max(x for _c, x, _y in part) - min(x for _c, x, _y in part)
diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_PlanKinds.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_PlanKinds.py
index 072a4dc33..878f9515d 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_PlanKinds.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_PlanKinds.py
@@ -6,7 +6,7 @@
 있고, 종류는 그중 무엇을 얹을지 고른 목록이다. 이 모듈은 조각 기하 계산과 도면 조립만
 한다(파일 입출력 없음).
 
-좌표 규약: 종이 mm = (사업지 좌표 m - 그 장 도곽 최소점) x MM (1/1,200).
+좌표 규약: 종이 mm = (사업지 좌표 m - 그 장 도곽 최소점) x (1000 / 종류 축척 분모) (기본 1/1,200).
 """
 
 import math
@@ -372,7 +372,7 @@ def _reading(nx: float, ny: float) -> tuple[float, float]:
 
 
 def _piece_entities(
-    drawing_id: str, piece: str, data: dict[str, Any], paper: Any
+    drawing_id: str, piece: str, data: dict[str, Any], paper: Any, mm: float = MM
 ) -> list[dict[str, Any]]:
     layer, color = layer_id(piece), _COLORS.get(piece, TABLE_LABEL_COLOR)
     out: list[dict[str, Any]] = []
@@ -446,8 +446,8 @@ def _piece_entities(
             nx, ny = item["nx"], item["ny"]
             line(
                 [
-                    (item["x"] - nx * _TICK_MM / MM, item["y"] - ny * _TICK_MM / MM),
-                    (item["x"] + nx * _TICK_MM / MM, item["y"] + ny * _TICK_MM / MM),
+                    (item["x"] - nx * _TICK_MM / mm, item["y"] - ny * _TICK_MM / mm),
+                    (item["x"] + nx * _TICK_MM / mm, item["y"] + ny * _TICK_MM / mm),
                 ],
                 f":{index}",
             )
@@ -468,7 +468,7 @@ def _piece_entities(
     elif piece == "endpoints":
         for index, item in enumerate(data.get("items") or []):
             nx, ny = item["nx"], item["ny"]
-            reach = 6.0 / MM  # 종이 6mm 막대
+            reach = 6.0 / mm  # 종이 6mm 막대
             line(
                 [
                     (item["x"] - nx * reach, item["y"] - ny * reach),
@@ -482,7 +482,7 @@ def _piece_entities(
     elif piece == "refuge":
         size = 2.0  # 네모 기호 반크기(종이 mm)
         for index, item in enumerate(data.get("items") or []):
-            x, y, half = item["x"], item["y"], size / MM
+            x, y, half = item["x"], item["y"], size / mm
             corners = [(-1, -1), (1, -1), (1, 1), (-1, 1), (-1, -1)]
             line([(x + sx * half, y + sy * half) for sx, sy in corners], f":{index}")
             cx, cy = paper((x, y))
@@ -531,19 +531,21 @@ def build_plan_kind_drawing(
     label: str,
     box: tuple[float, float, float, float],
     pieces: dict[str, dict[str, Any]],
+    scale: int = DRAWING_SCALE_PLAN,
 ) -> dict[str, Any]:
     """고른 조각만 얹어 계획평면도 한 장을 만든다. `box` = 그 장 도곽 범위(실좌표 m)."""
     min_x, min_y = box[0], box[1]
+    mm = 1000.0 / scale
 
     def paper(point: Any) -> tuple[float, float]:
-        return ((point[0] - min_x) * MM, (point[1] - min_y) * MM)
+        return ((point[0] - min_x) * mm, (point[1] - min_y) * mm)
 
     entities: list[dict[str, Any]] = []
     for piece in PIECE_IDS:
         if piece in pieces:
-            entities.extend(_piece_entities(drawing_id, piece, pieces[piece], paper))
+            entities.extend(_piece_entities(drawing_id, piece, pieces[piece], paper, mm))
     # 도곽 · 방위표 자리는 조각과 무관하게 같은 자리 — 그 장 범위를 기준으로 잡는다.
-    frame_box = (0.0, 0.0, (box[2] - min_x) * MM, (box[3] - min_y) * MM)
+    frame_box = (0.0, 0.0, (box[2] - min_x) * mm, (box[3] - min_y) * mm)
     entities.extend(
         compass_entities(
             drawing_id,
@@ -570,7 +572,7 @@ def build_plan_kind_drawing(
     entities.append(
         _text_entity(
             f"{drawing_id}:scale",
-            f"S = 1/{DRAWING_SCALE_PLAN:,}",
+            f"S = 1/{scale:,}",
             max_bx,
             max_by + 5.0,
             "b07-plan-title",
@@ -584,7 +586,7 @@ def build_plan_kind_drawing(
             drawing_id,
             entities_bbox(entities) or bbox,
             fit=False,
-            fields={"도면명": label, **scale_fields(("", DRAWING_SCALE_PLAN))},
+            fields={"도면명": label, **scale_fields(("", scale))},
         )
     )
     layers = [
diff --git a/B07_DesignDetail/B07_DesignDetail_Router_PlanKinds.py b/B07_DesignDetail/B07_DesignDetail_Router_PlanKinds.py
index 10e823bf9..a12340f21 100644
--- a/B07_DesignDetail/B07_DesignDetail_Router_PlanKinds.py
+++ b/B07_DesignDetail/B07_DesignDetail_Router_PlanKinds.py
@@ -26,6 +26,11 @@ from B07_DesignDetail.B07_DesignDetail_Router_Support_Plan import (
     update_kind,
     write_marks,
 )
+from config.config_system import (
+    DRAWING_SCALE_BASIN,
+    DRAWING_SCALE_PLAN,
+    DRAWING_SCALE_PLAN_CHOICES,
+)
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/api/projects", tags=["B07 Design Detail"])
@@ -36,6 +41,8 @@ class PlanKindRequest(BaseModel):
     pieces: list[str] = Field(default_factory=list)
     # 양식 — plan(평면도 · 조각 고름) · watershed(유역도). 추가에서만 쓰고 업데이트는 그대로 둔다.
     layout: str = "plan"
+    # 축척 분모(`scales` 중 하나) — 없으면 추가는 1/1,200 · 업데이트는 지금 값 · 유역도 1/6,000.
+    scale: int | None = None
 
 
 class PlanMark(BaseModel):
@@ -52,6 +59,9 @@ def _state(root: Any) -> dict[str, Any]:
     return {
         "status": "success",
         "pieces": [{"id": piece, "name": name} for piece, name, _locked in PIECES],
+        "scales": list(DRAWING_SCALE_PLAN_CHOICES),
+        "default_scale": DRAWING_SCALE_PLAN,
+        "watershed_scale": DRAWING_SCALE_BASIN,
         "kinds": list_kinds(root),
         "marks": read_marks(root),
     }
@@ -84,7 +94,9 @@ async def post_plan_kind(project_id: UUID, request: PlanKindRequest) -> Any:
     """종류 추가 — 양식 · 조각을 골라 이름을 붙인다."""
     try:
         root = await _project_root(project_id)
-        await asyncio.to_thread(add_kind, root, request.name, request.pieces, request.layout)
+        await asyncio.to_thread(
+            add_kind, root, request.name, request.pieces, request.layout, request.scale
+        )
         return await asyncio.to_thread(_state, root)
     except ValueError as exc:
         return _error(400, exc)
@@ -95,7 +107,9 @@ async def put_plan_kind(project_id: UUID, kind_id: str, request: PlanKindRequest
     """종류 업데이트 — 이름 · 조각을 고친다(기본 넷도)."""
     try:
         root = await _project_root(project_id)
-        await asyncio.to_thread(update_kind, root, kind_id, request.name, request.pieces)
+        await asyncio.to_thread(
+            update_kind, root, kind_id, request.name, request.pieces, request.scale
+        )
         return await asyncio.to_thread(_state, root)
     except ValueError as exc:
         return _error(400, exc)
diff --git a/B07_DesignDetail/B07_DesignDetail_Router_Support.py b/B07_DesignDetail/B07_DesignDetail_Router_Support.py
index 55d141e11..1ddcb240a 100644
--- a/B07_DesignDetail/B07_DesignDetail_Router_Support.py
+++ b/B07_DesignDetail/B07_DesignDetail_Router_Support.py
@@ -83,6 +83,7 @@ from B07_DesignDetail.B07_DesignDetail_Schema import (
     DesignDrawingItem,
 )
 from common_util.common_util_route_profile import design_elevation_from_longitudinal
+from config.config_system import DRAWING_SCALE_PLAN
 
 logger = logging.getLogger(__name__)
 
@@ -457,7 +458,11 @@ def _read_drawing(
             )
         else:
             drawing = build_plan_kind_drawing(
-                drawing_id, label, stored_design["box"], stored_design.get("pieces") or {}
+                drawing_id,
+                label,
+                stored_design["box"],
+                stored_design.get("pieces") or {},
+                stored_design.get("scale") or DRAWING_SCALE_PLAN,
             )
         return "plan", label, drawing, False, None
 
diff --git a/B07_DesignDetail/B07_DesignDetail_Router_Support_Basin.py b/B07_DesignDetail/B07_DesignDetail_Router_Support_Basin.py
index f55535be1..4419556fd 100644
--- a/B07_DesignDetail/B07_DesignDetail_Router_Support_Basin.py
+++ b/B07_DesignDetail/B07_DesignDetail_Router_Support_Basin.py
@@ -379,12 +379,12 @@ LIDAR_ID = re.compile(r"^plan_lidar(?:_(\d+))?$")
 
 
 def _sheet_box(
-    route_xy: list[tuple[float, float]],
+    route_xy: list[tuple[float, float]], scale: int = DRAWING_SCALE_PLAN
 ) -> tuple[float, float, float, float]:
     """그 장의 도곽 범위(실좌표 m) — 계획평면도·용지도·라이다가 같은 규칙을 쓴다."""
     area_w_mm, area_h_mm = plan_area_mm()
-    half_w = area_w_mm / 2.0 * DRAWING_SCALE_PLAN / 1000.0
-    half_h = area_h_mm / 2.0 * DRAWING_SCALE_PLAN / 1000.0
+    half_w = area_w_mm / 2.0 * scale / 1000.0
+    half_h = area_h_mm / 2.0 * scale / 1000.0
     center_x = (min(x for x, _y in route_xy) + max(x for x, _y in route_xy)) / 2.0
     center_y = (min(y for _x, y in route_xy) + max(y for _x, y in route_xy)) / 2.0
     return (
@@ -396,10 +396,10 @@ def _sheet_box(
 
 
 def _chunk_route(
-    context: Any, longitudinal: dict[str, Any], number: int
+    context: Any, longitudinal: dict[str, Any], number: int, scale: int = DRAWING_SCALE_PLAN
 ) -> tuple[list[tuple[float, float]], dict[str, Any], int]:
     """장 번호로 그 장의 노선 구간을 잘라 낸다 (계획평면도 장 나눔과 같은 기준)."""
-    chunks = plan_chunks(plan_stations(longitudinal))
+    chunks = plan_chunks(plan_stations(longitudinal), scale)
     chunk = next((item for item in chunks if item["number"] == number), None)
     if chunk is None:
         raise FileNotFoundError("요청한 장을 찾을 수 없습니다.")
diff --git a/B07_DesignDetail/B07_DesignDetail_Router_Support_Landuse.py b/B07_DesignDetail/B07_DesignDetail_Router_Support_Landuse.py
index 879af2b05..16463c373 100644
--- a/B07_DesignDetail/B07_DesignDetail_Router_Support_Landuse.py
+++ b/B07_DesignDetail/B07_DesignDetail_Router_Support_Landuse.py
@@ -128,6 +128,7 @@ def place_labels(
     parcels: list[dict[str, Any]],
     route_xy: list[tuple[float, float]],
     box: tuple[float, float, float, float],
+    mm: float = MM,
 ) -> list[dict[str, Any]]:
     """필지마다 라벨 [{lines, anchor, center}] — 큰 필지부터 자리를 잡는다."""
     clear = LineString(route_xy).buffer(ROUTE_CLEAR_M) if len(route_xy) >= 2 else Polygon()
@@ -142,7 +143,7 @@ def place_labels(
         if not any(lines):
             continue
         width_mm, height_mm = balloon_size(lines, PARCEL_FONT)
-        half_w, half_h = width_mm / MM / 2.0, height_mm / MM / 2.0
+        half_w, half_h = width_mm / mm / 2.0, height_mm / mm / 2.0
         ax, ay = _anchor(parcel["area"], clear)
         free_of_route: tuple[float, float, float, float] | None = None
         chosen = None
@@ -189,12 +190,14 @@ def place_labels(
     return items
 
 
-def label_rects(items: list[dict[str, Any]]) -> list[tuple[float, float, float, float]]:
+def label_rects(
+    items: list[dict[str, Any]], mm: float = MM
+) -> list[tuple[float, float, float, float]]:
     """필지 정보 상자 자리(사업지 m) — 그리는 상자(`_balloon_entities`)와 같은 크기."""
     rects = []
     for item in items:
         width_mm, height_mm = balloon_size(item["lines"], PARCEL_FONT)
-        half_w, half_h = width_mm / MM / 2.0, height_mm / MM / 2.0
+        half_w, half_h = width_mm / mm / 2.0, height_mm / mm / 2.0
         cx, cy = item["center"]
         rects.append((cx - half_w, cy - half_h, cx + half_w, cy + half_h))
     return rects
@@ -205,13 +208,14 @@ def landuse_pieces(
     crs: str,
     box: tuple[float, float, float, float],
     route_xy: list[tuple[float, float]],
+    mm: float = MM,
 ) -> dict[str, dict[str, Any]]:
     """그 장의 용지 조각 넷 — 노선은 라벨이 비켜 갈 전체 중심선(사업지 m)."""
     folder = project_root / "B04_PreProcess" / "processed"
     parcels = clip_parcels(folder / PARCEL_FILE, crs, box)
     return {
         "parcel": {"lines": [line for parcel in parcels for line in parcel["lines"]]},
-        "parcel_info": {"items": place_labels(parcels, route_xy, box)},
+        "parcel_info": {"items": place_labels(parcels, route_xy, box, mm)},
         "emd": {"lines": _clip_rings(folder / EMD_FILE, crs, box)},
         "sgg": {"lines": _clip_rings(folder / SGG_FILE, crs, box)},
     }
diff --git a/B07_DesignDetail/B07_DesignDetail_Router_Support_Plan.py b/B07_DesignDetail/B07_DesignDetail_Router_Support_Plan.py
index 1cfe716d7..97410d0a3 100644
--- a/B07_DesignDetail/B07_DesignDetail_Router_Support_Plan.py
+++ b/B07_DesignDetail/B07_DesignDetail_Router_Support_Plan.py
@@ -1,7 +1,7 @@
 """B07 계획평면도 종류 · 정보 조각 파일 (PLAN 60장).
 
 저장 자리(프로젝트 저장소 `B07_DesignDetail/`):
-    plan_kinds/{종류 id}.json     종류 하나 = {name, pieces, order, layout} — 파일 하나씩
+    plan_kinds/{종류 id}.json     종류 하나 = {name, pieces, order, layout, scale} — 파일 하나씩
     plan_pieces/{장}/{조각}.json  정보 조각 하나 = 그 장 범위의 기하(사업지 좌표 m)
     plan_marks.json               사용자가 정한 대피소 · 사토장 자리
 
@@ -65,7 +65,11 @@ from B07_DesignDetail.B07_DesignDetail_Router_Support_Landuse import (
 )
 from common_util.common_util_json import atomic_write_json
 from common_util.common_util_route_profile import design_elevation_from_longitudinal
-from config.config_system import DRAWING_SCALE_PLAN
+from config.config_system import (
+    DRAWING_SCALE_BASIN,
+    DRAWING_SCALE_PLAN,
+    DRAWING_SCALE_PLAN_CHOICES,
+)
 
 KIND_ID = re.compile(r"^[a-z][a-z0-9]{0,31}$")
 PLAN_KIND_ID = re.compile(r"^plan_([a-z][a-z0-9]{0,31})(?:_(\d+))?$")
@@ -91,12 +95,21 @@ def _kinds_dir(project_root: Path) -> Path:
 _ADDED_ONCE = ("landuse", "watershed")
 
 
+def _scale(layout: str, value: Any) -> int:
+    """종류 축척 분모 — 유역도 양식은 1/6,000 고정 · 없거나 목록 밖이면 1/1,200(옛 파일)."""
+    if layout == WATERSHED_LAYOUT:
+        return DRAWING_SCALE_BASIN
+    return value if value in DRAWING_SCALE_PLAN_CHOICES else DRAWING_SCALE_PLAN
+
+
 def _document(kind: dict[str, Any], order: int) -> dict[str, Any]:
+    layout = kind.get("layout", "plan")
     return {
         "name": kind["name"],
         "pieces": list(kind["pieces"]),
         "order": order,
-        "layout": kind.get("layout", "plan"),
+        "layout": layout,
+        "scale": _scale(layout, kind.get("scale")),
     }
 
 
@@ -122,11 +135,17 @@ def _add_defaults_once(folder: Path) -> None:
 
 
 def list_kinds(project_root: Path) -> list[dict[str, Any]]:
-    """종류 목록 [{id, name, pieces, layout}] — 차례대로. 파일이 없으면 기본 종류."""
+    """종류 목록 [{id, name, pieces, layout, scale}] — 차례대로. 파일이 없으면 기본 종류."""
     folder = _kinds_dir(project_root)
     if not folder.is_dir():
         return [
-            {"layout": "plan", **kind, "pieces": list(kind["pieces"])} for kind in DEFAULT_KINDS
+            {
+                "layout": "plan",
+                **kind,
+                "pieces": list(kind["pieces"]),
+                "scale": _scale(kind.get("layout", "plan"), None),
+            }
+            for kind in DEFAULT_KINDS
         ]
     _add_defaults_once(folder)
     rows: list[tuple[int, str, dict[str, Any]]] = []
@@ -151,6 +170,7 @@ def list_kinds(project_root: Path) -> list[dict[str, Any]]:
                     "name": str(document.get("name") or path.stem),
                     "pieces": pieces,
                     "layout": layout,
+                    "scale": _scale(layout, document.get("scale")),
                 },
             )
         )
@@ -183,20 +203,44 @@ def _checked(name: str, pieces: list[str], layout: str = "plan") -> tuple[str, l
     return text, chosen
 
 
+def _checked_scale(layout: str, scale: int | None, current: int = DRAWING_SCALE_PLAN) -> int:
+    """고른 축척 — 없으면 지금 값 · 목록 밖이면 거절 · 유역도 양식은 1/6,000 고정."""
+    if layout == WATERSHED_LAYOUT:
+        return DRAWING_SCALE_BASIN
+    if scale is None:
+        return current
+    if scale not in DRAWING_SCALE_PLAN_CHOICES:
+        raise ValueError("고를 수 없는 축척입니다.")
+    return scale
+
+
 def add_kind(
-    project_root: Path, name: str, pieces: list[str], layout: str = "plan"
+    project_root: Path,
+    name: str,
+    pieces: list[str],
+    layout: str = "plan",
+    scale: int | None = None,
 ) -> dict[str, Any]:
     text, chosen = _checked(name, pieces, layout)
+    chosen_scale = _checked_scale(layout, scale)
     kinds = _materialize(project_root)
     if any(kind["name"] == text for kind in kinds):
         raise ValueError(f"같은 이름의 종류가 이미 있습니다: {text}")
-    kind = {"id": f"k{uuid.uuid4().hex[:8]}", "name": text, "pieces": chosen, "layout": layout}
+    kind = {
+        "id": f"k{uuid.uuid4().hex[:8]}",
+        "name": text,
+        "pieces": chosen,
+        "layout": layout,
+        "scale": chosen_scale,
+    }
     atomic_write_json(_kinds_dir(project_root) / f"{kind['id']}.json", _document(kind, len(kinds)))
     return kind
 
 
-def update_kind(project_root: Path, kind_id: str, name: str, pieces: list[str]) -> dict[str, Any]:
-    """종류 이름 · 조각을 고친다(차례 · 양식은 그대로). 그 종류의 확정본은 풀어 다시 그린다."""
+def update_kind(
+    project_root: Path, kind_id: str, name: str, pieces: list[str], scale: int | None = None
+) -> dict[str, Any]:
+    """종류 이름 · 조각 · 축척을 고친다(차례 · 양식은 그대로). 그 종류 확정본은 풀어 다시 그린다."""
     if not KIND_ID.fullmatch(kind_id):
         raise ValueError("올바르지 않은 종류 id 입니다.")
     kinds = _materialize(project_root)
@@ -205,10 +249,17 @@ def update_kind(project_root: Path, kind_id: str, name: str, pieces: list[str])
     if current is None or not path.is_file():
         raise FileNotFoundError("고칠 종류를 찾을 수 없습니다.")
     text, chosen = _checked(name, pieces, current["layout"])
+    chosen_scale = _checked_scale(current["layout"], scale, current["scale"])
     if any(kind["name"] == text and kind["id"] != kind_id for kind in kinds):
         raise ValueError(f"같은 이름의 종류가 이미 있습니다: {text}")
     order = int(_read_json(path).get("order") or 0)
-    kind = {"id": kind_id, "name": text, "pieces": chosen, "layout": current["layout"]}
+    kind = {
+        "id": kind_id,
+        "name": text,
+        "pieces": chosen,
+        "layout": current["layout"],
+        "scale": chosen_scale,
+    }
     atomic_write_json(path, _document(kind, order))
     manifest = _read_manifest(project_root)
     released = False
@@ -383,12 +434,14 @@ def build_pieces(
     designs: dict[int | float, dict[str, Any]],
     number: int,
     wanted: list[str],
+    scale: int = DRAWING_SCALE_PLAN,
 ) -> tuple[dict[str, dict[str, Any]], tuple[float, float, float, float], dict[str, Any], int]:
     """그 장의 조각들을 계산해 파일로 쓰고 (조각들, 도곽 범위, 장 구간, 전체 장수)를 낸다."""
-    route_xy, chunk, total = _chunk_route(context, longitudinal, number)
+    route_xy, chunk, total = _chunk_route(context, longitudinal, number, scale)
     if not route_xy:
         raise FileNotFoundError("계획평면도에 그릴 노선이 없습니다.")
-    box = _sheet_box(route_xy)
+    box = _sheet_box(route_xy, scale)
+    mm = 1000.0 / scale
     start_m, end_m = float(chunk["start_m"]), float(chunk["end_m"])
     project_root = Path(context.project_root)
     route = sorted(
@@ -399,9 +452,7 @@ def build_pieces(
     pieces: dict[str, dict[str, Any]] = {}
 
     if {"contour", "stream"} & set(wanted):
-        background = map_background(
-            project_root, context.crs, DRAWING_SCALE_PLAN, plan_area_mm(), route_xy
-        )
+        background = map_background(project_root, context.crs, scale, plan_area_mm(), route_xy)
         pieces["contour"] = {"lines": background["contours"]}
         pieces["stream"] = {"lines": background["streams"]}
     if "centerline" in wanted:
@@ -473,13 +524,13 @@ def build_pieces(
     if set(LANDUSE_PIECES) & set(wanted):
         # 라벨은 이 장 구간이 아니라 노선 전체를 비켜 간다 — 도곽 안에 다른 구간이 들 수 있다.
         pieces.update(
-            landuse_pieces(project_root, context.crs, box, [(x, y) for _c, x, y in route])
+            landuse_pieces(project_root, context.crs, box, [(x, y) for _c, x, y in route], mm)
         )
         if "parcel_info" in wanted:
-            clip_lines(pieces, label_rects(pieces["parcel_info"]["items"]), LABEL_CLIPPED)
+            clip_lines(pieces, label_rects(pieces["parcel_info"]["items"], mm), LABEL_CLIPPED)
     if "ip_table" in wanted:
         pieces["ip_table"] = ip_table_piece(
-            pieces, _load_design_curves(project_root), route, box, chunk, total
+            pieces, _load_design_curves(project_root), route, box, chunk, total, mm
         )
 
     folder = _design_root(project_root) / "plan_pieces" / str(number)
@@ -510,19 +561,21 @@ def plan_kind_source(
         return {"layout": WATERSHED_LAYOUT, "label": kind["name"], **watershed_source(context)}
     number = int(match.group(2)) if match.group(2) else 1
     pieces, box, chunk, total = build_pieces(
-        context, longitudinal, longitudinal_path, designs, number, kind["pieces"]
+        context, longitudinal, longitudinal_path, designs, number, kind["pieces"], kind["scale"]
     )
     title = plan_title(kind["name"])
     return {
         "label": title if total <= 1 else f"{title} {chunk['number']}장",
         "box": box,
         "pieces": pieces,
+        "scale": kind["scale"],
     }
 
 
 def plan_kind_items(project_root: Path, longitudinal: dict[str, Any]) -> list[dict[str, Any]]:
     """도면 목록에 실을 종류 × 장 [{id, label, plan_kind}]."""
-    sheets = plan_chunks(plan_stations(longitudinal))
+    stations = plan_stations(longitudinal)
+    by_scale: dict[int, list[dict[str, Any]]] = {}
     items = []
     for kind in list_kinds(project_root):
         if kind["layout"] == WATERSHED_LAYOUT:  # 1/6,000 한 장 — 장 나눔 없음
@@ -536,6 +589,9 @@ def plan_kind_items(project_root: Path, longitudinal: dict[str, Any]) -> list[di
             )
             continue
         title = plan_title(kind["name"])
+        if kind["scale"] not in by_scale:
+            by_scale[kind["scale"]] = plan_chunks(stations, kind["scale"])
+        sheets = by_scale[kind["scale"]]
         for chunk in sheets:
             single = len(sheets) <= 1
             items.append(
diff --git a/B07_DesignDetail/B07_DesignDetail_UI_PlanKinds.ts b/B07_DesignDetail/B07_DesignDetail_UI_PlanKinds.ts
index 2af96dcbe..b36029d59 100644
--- a/B07_DesignDetail/B07_DesignDetail_UI_PlanKinds.ts
+++ b/B07_DesignDetail/B07_DesignDetail_UI_PlanKinds.ts
@@ -52,7 +52,7 @@ async function run(action: () => Promise<unknown>, controls: PlanKindsControls):
   }
 }
 
-/** 양식 — 평면도(조각 고름 · 1/1,200 장 나눔) · 유역도(1/6,000 한 장 · 그림 고정). */
+/** 양식 — 평면도(조각 고름 · 축척 고름 · 장 나눔) · 유역도(1/6,000 한 장 · 그림 고정). */
 const LAYOUTS: { value: PlanKindLayout; text: string }[] = [
   { value: "plan", text: "평면도" },
   { value: "watershed", text: "유역도" },
@@ -77,6 +77,9 @@ function kindForm(state: PlanKindsState, controls: PlanKindsControls): HTMLEleme
     ariaLabel: "양식",
     onChange: () => showPieces(),
   });
+  // 축척 — 목록은 서버 `scales` 한 곳 · 유역도 양식은 1/6,000 고정(잠금).
+  const scaleText = (value: number): string => `1/${value.toLocaleString("en-US")}`;
+  const scale = createSelectField({ options: [], compact: true, ariaLabel: "축척" });
   const name = el("input", "b07-plan-tools__name");
   name.type = "text";
   name.placeholder = "종류 이름";
@@ -88,7 +91,22 @@ function kindForm(state: PlanKindsState, controls: PlanKindsControls): HTMLEleme
   action.type = "button";
   // 유역도 양식은 그림이 정해져 있어 얹을 정보를 고르지 않는다.
   const showPieces = (): void => {
-    pieceList.hidden = layout.select.value === "watershed";
+    const watershed = layout.select.value === "watershed";
+    pieceList.hidden = watershed;
+    const kind = state.kinds.find((item) => item.id === pick.select.value);
+    if (watershed) {
+      const fixed = String(state.watershed_scale);
+      scale.setOptions(
+        [{ value: fixed, text: `${scaleText(state.watershed_scale)} (고정)` }],
+        fixed,
+      );
+    } else {
+      scale.setOptions(
+        state.scales.map((value) => ({ value: String(value), text: scaleText(value) })),
+        String(kind?.layout === "plan" ? kind.scale : state.default_scale),
+      );
+    }
+    scale.select.disabled = watershed;
   };
   const show = (): void => {
     const kind = state.kinds.find((item) => item.id === pick.select.value);
@@ -106,15 +124,16 @@ function kindForm(state: PlanKindsState, controls: PlanKindsControls): HTMLEleme
     const kindId = pick.select.value;
     const label = name.value.trim();
     const chosen = layout.select.value as PlanKindLayout;
+    const denominator = Number(scale.select.value);
     void run(
       () =>
         kindId
-          ? updatePlanKind(controls.projectId, kindId, label, pieces)
-          : addPlanKind(controls.projectId, label, pieces, chosen),
+          ? updatePlanKind(controls.projectId, kindId, label, pieces, denominator)
+          : addPlanKind(controls.projectId, label, pieces, chosen, denominator),
       controls,
     );
   });
-  form.append(pick.root, layout.root, name, pieceList, action);
+  form.append(pick.root, layout.root, scale.root, name, pieceList, action);
   return form;
 }
 
diff --git a/config/config_system.py b/config/config_system.py
index 98ef486f7..24de90716 100644
--- a/config/config_system.py
+++ b/config/config_system.py
@@ -185,6 +185,8 @@ DRAWING_SCALE_BASIN = 6000  # 유역도 평면 축척 분모 (실거리 1 m = 1/
 # 계획평면도·용지도 평면 축척 분모 — 지식DB 「설계제원_총괄」 측량·도면 기준 1/1,200.
 # 횡단면도와 같은 원칙: 축척은 줄이지 않고, 한 장에 안 들어가면 **장을 나눈다**.
 DRAWING_SCALE_PLAN = 1200
+# 평면도 종류마다 고를 수 있는 축척 분모 — 1/1,200 기본(법정) · 1/1,000 · 1/600(용지도).
+DRAWING_SCALE_PLAN_CHOICES = (600, 1000, 1200)
 # 표준 횡단면도 — 상세도라 지식DB에 지정 축척이 없다. 본 그림 1/50, 측구 부분확대도
 # 1/10 (2026-09-04). 노폭 4 m 기준 본 그림이 A1 작도영역에 여유 있게 든다.
 DRAWING_SCALE_CROSS_STANDARD = 50
diff --git a/resources/tester/test_119_b07_plan_scale.py b/resources/tester/test_119_b07_plan_scale.py
new file mode 100644
index 000000000..9e448c718
--- /dev/null
+++ b/resources/tester/test_119_b07_plan_scale.py
@@ -0,0 +1,173 @@
+"""B07 평면도 종류마다 축척 고르기 (PLAN 119장).
+
+① 축척 목록 1/600 · 1/1,000 · 1/1,200(기본) — 추가 · 업데이트 · 다시 읽어 같음 · 목록 밖 거절 ·
+   옛 파일(축척 없음 · 목록 밖) = 1/1,200 · 유역도 양식 = 1/6,000 고정
+② 1/600 → 장 수 늚 · 1/1,200 = 지금과 같음(기본 인자 장 나눔)
+③ 그림 — 축척 글 「S = 1/600」 · 도곽 축척 칸 600 · A3 1200 · 1/1,200 은 기본 인자와 같은 그림
+④ 종이 mm → 실거리 환산이 축척 따라감 — 측점 눈금 · 시종점 막대 종이 길이 그대로 ·
+   IP 표 밑 자름 폭 · 필지 라벨 상자 실거리 절반
+"""
+
+import json
+import math
+from pathlib import Path
+
+import pytest
+
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad_IpTable import _COLUMNS, _ROW_H, ip_table_piece
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Plan import plan_chunks
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad_PlanKinds import (
+    build_plan_kind_drawing,
+    layer_id,
+)
+from B07_DesignDetail.B07_DesignDetail_Router_PlanKinds import _state
+from B07_DesignDetail.B07_DesignDetail_Router_Support_Landuse import label_rects
+from B07_DesignDetail.B07_DesignDetail_Router_Support_Plan import (
+    _kinds_dir,
+    add_kind,
+    list_kinds,
+    plan_kind_items,
+    update_kind,
+)
+
+_STATIONS = [
+    {"chainage_m": float(c), "center_x": 0.0, "center_y": float(c)} for c in range(0, 2001, 20)
+]
+
+
+def test_scale_choices_add_update_and_old_files(tmp_path: Path) -> None:
+    root = tmp_path / "project"
+    state = _state(root)
+    assert state["scales"] == [600, 1000, 1200] and state["default_scale"] == 1200
+    assert all(k["scale"] == (6000 if k["layout"] == "watershed" else 1200) for k in state["kinds"])
+    added = add_kind(root, "용지 600", ["contour"], "plan", 600)
+    assert added["scale"] == 600
+    assert next(k for k in list_kinds(root) if k["id"] == added["id"]) == added
+    assert add_kind(root, "기본 축척", ["contour"])["scale"] == 1200
+    update_kind(root, added["id"], "용지 1000", ["contour"], 1000)
+    assert next(k for k in list_kinds(root) if k["id"] == added["id"])["scale"] == 1000
+    update_kind(root, added["id"], "용지 1000", ["contour"])  # 축척 없이 = 지금 값
+    assert next(k for k in list_kinds(root) if k["id"] == added["id"])["scale"] == 1000
+    with pytest.raises(ValueError):
+        add_kind(root, "이상한 축척", ["contour"], "plan", 500)
+    with pytest.raises(ValueError):
+        update_kind(root, added["id"], "용지 1000", ["contour"], 777)
+    watershed = add_kind(root, "유역 둘", [], "watershed", 600)  # 유역도 양식은 고정
+    assert watershed["scale"] == 6000
+    folder = _kinds_dir(root)
+    for stem, extra in (("old", {}), ("odd", {"scale": 777})):
+        (folder / f"{stem}.json").write_text(
+            json.dumps({"name": stem, "pieces": ["contour"], "order": 99, **extra}), "utf-8"
+        )
+    kinds = {k["id"]: k for k in list_kinds(root)}
+    assert kinds["old"]["scale"] == 1200 and kinds["odd"]["scale"] == 1200
+
+
+def test_sheet_count_follows_scale(tmp_path: Path) -> None:
+    root = tmp_path / "project"
+    add_kind(root, "용지 600", ["contour"], "plan", 600)
+    items = plan_kind_items(root, {"stations": _STATIONS})
+    big = [item for item in items if item["plan_kind_name"] == "용지 600"]
+    terrain = [item for item in items if item["plan_kind"] == "terrain"]
+    stations = [(s["chainage_m"], s["center_x"], s["center_y"]) for s in _STATIONS]
+    assert len(terrain) == len(plan_chunks(stations)) == len(plan_chunks(stations, 1200))
+    assert len(big) == len(plan_chunks(stations, 600)) > len(terrain)
+    assert big[-1]["label"].endswith(f"{len(big)}장")
+
+
+def _texts(drawing: dict) -> str:
+    return json.dumps(drawing["entities"], ensure_ascii=False)
+
+
+def _frame_labels(drawing: dict) -> set[str]:
+    return {
+        (e.get("shapeData") or {}).get("label")
+        for e in drawing["entities"]
+        if e.get("layerId") == "b08-frame" and e["type"] == "Text"
+    }
+
+
+def _segment(entity: dict) -> tuple[float, float, float]:
+    """두 점 PolyLine(자식 Line 하나) — (길이, 가운데 x, 가운데 y) 종이 mm."""
+    (child,) = entity["children"]
+    a, b = child["shapeData"]["startPoint"], child["shapeData"]["endPoint"]
+    return (
+        math.hypot(b["x"] - a["x"], b["y"] - a["y"]),
+        (a["x"] + b["x"]) / 2.0,
+        (a["y"] + b["y"]) / 2.0,
+    )
+
+
+def test_drawing_scale_text_frame_and_paper_lengths() -> None:
+    box = (0.0, 0.0, 400.0, 300.0)
+    pieces = {
+        "station": {
+            "items": [
+                {"x": 100.0, "y": 100.0, "nx": 1.0, "ny": 0.0, "label": "NO.5", "major": True}
+            ]
+        },
+        "endpoints": {"items": [{"label": "시점", "x": 50.0, "y": 50.0, "nx": 0.0, "ny": 1.0}]},
+    }
+    base = build_plan_kind_drawing("plan_x", "시험", box, pieces)
+    assert build_plan_kind_drawing("plan_x", "시험", box, pieces, 1200) == base
+    small = build_plan_kind_drawing("plan_x", "시험", box, pieces, 600)
+    assert "S = 1/1,200" in _texts(base) and "S = 1/600" in _texts(small)
+    assert "S = 1/1,200" not in _texts(small)
+    scales = [
+        e
+        for e in small["entities"]
+        if str((e.get("shapeData") or {}).get("label")).startswith("S = ")
+    ]
+    assert [e["shapeData"]["label"] for e in scales] == ["S = 1/600"]
+    # 도곽 축척 칸 — A1 분모 600 · A3 1200 (1/1,200 그림은 1200 · 2400)
+    assert {"600", "1200"} <= _frame_labels(small) and "2400" not in _frame_labels(small)
+    assert {"1200", "2400"} <= _frame_labels(base) and "600" not in _frame_labels(base)
+    # 종이 mm 기호는 축척과 무관하게 같은 길이 · 실거리 자리는 축척만큼 멀어짐
+    for piece, paper_mm in (("station", 3.0), ("endpoints", 12.0)):
+        lines = [
+            [
+                e
+                for e in d["entities"]
+                if e.get("layerId") == layer_id(piece) and e["type"] != "Text"
+            ]
+            for d in (base, small)
+        ]
+        (length, x, y), (length_s, x_s, y_s) = _segment(lines[0][0]), _segment(lines[1][0])
+        assert length == pytest.approx(paper_mm) and length_s == pytest.approx(paper_mm)
+        assert (x_s, y_s) == (pytest.approx(2 * x), pytest.approx(2 * y))  # 실거리 자리는 2배
+
+
+# test_b07_plan_kinds 의 IP 표 시험과 같은 노선 · 곡선
+_ROUTE = [(0.0, 0.0, 0.0), (85.0, 85.0, 0.0), (115.0, 100.0, 15.0), (200.0, 100.0, 100.0)]
+_CURVES = [
+    {"apex": [500.0, 500.0], "start": [490.0, 500.0], "end": [500.0, 510.0], "radius_m": 10.0},
+    {"apex": [100.0, 0.0], "start": [85.0, 0.0], "end": [100.0, 15.0], "radius_m": 15.0},
+]
+
+
+def _gap(mm: float) -> tuple[float, int]:
+    """y = 0 등고선에서 잘려 나간 길이(m) · 그 줄을 덮는 표 수."""
+    box = (-20.0, -20.0, 300.0, 200.0)
+    pieces = {"contour": {"lines": [[[-20.0, 0.0], [300.0, 0.0]]]}}
+    table = ip_table_piece(
+        pieces, _CURVES, _ROUTE, box, {"number": 1, "start_m": 0.0, "end_m": 200.0}, 1, mm
+    )
+    kept = sum(line[-1][0] - line[0][0] for line in pieces["contour"]["lines"])
+    covering = sum(
+        1
+        for b in table["blocks"]
+        if box[1] + (b["origin"][1] - b["rows"] * _ROW_H) / mm < 0.0 < box[1] + b["origin"][1] / mm
+    )
+    return 320.0 - kept, covering
+
+
+def test_ip_table_clip_and_parcel_label_follow_scale() -> None:
+    assert _gap(1000.0 / 1200) == (pytest.approx(43.2), 1)  # 지금 그림(test_b07_plan_kinds)과 같음
+    # 표 종이 폭 36 mm 그대로 → 1/600 실거리 21.6 m 씩(덮는 표마다)
+    removed, covering = _gap(1000.0 / 600)
+    assert covering >= 1 and removed == pytest.approx(sum(_COLUMNS) * 0.6 * covering)
+    items = [{"lines": ["1-1", "임야"], "center": [0.0, 0.0]}]
+    (big,) = label_rects(items)
+    (half,) = label_rects(items, 1000.0 / 600)
+    assert half[2] - half[0] == pytest.approx((big[2] - big[0]) / 2)
+    assert half[3] - half[1] == pytest.approx((big[3] - big[1]) / 2)
diff --git a/resources/tester/test_b07_plan_kinds.py b/resources/tester/test_b07_plan_kinds.py
index 3df0d6ff8..ca84bd61c 100644
--- a/resources/tester/test_b07_plan_kinds.py
+++ b/resources/tester/test_b07_plan_kinds.py
@@ -247,6 +247,7 @@ def test_update_kind_default_and_release_confirmed(tmp_path: Path) -> None:
         "name": "지형2",
         "pieces": ["contour", "centerline"],
         "layout": "plan",
+        "scale": 1200,
     }
     assert [k["id"] for k in list_kinds(root)][0] == "terrain"  # 차례 그대로
     drawings = _read_manifest(root)["drawings"]
@@ -375,6 +376,7 @@ def test_watershed_kind_layout_one_sheet(tmp_path: Path) -> None:
         "name": "배수유역도",
         "pieces": [],
         "layout": "watershed",
+        "scale": 6000,
     }
     # 측점 0 ~ 2,000 m — 1/1,200 평면도는 여러 장 · 유역도는 한 장
     stations = [